Method for channel and interference measurement and device

This disclosure provides a method for channel and interference measurement and a device. The method includes: receiving a first group of reference signal resources; and measuring a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources, where the channel and the interference that are corresponding to the first reference signal resource are measured based on quasi co-location QCL information of the first reference signal resource.

TECHNICAL FIELD

This disclosure relates to the field of communications technologies, and more specifically, to a method for channel and interference measurement and a device.

BACKGROUND

To support access of a larger number of users, a massive multiple-input multiple-output MIMO) technology using a larger number of antenna ports, such as the massive MIMO technology using a large quantity of antenna arrays, has been introduced into mobile communications systems. Beamforming is one of the key technologies for implementing multi-user MIMO (MU-MIMO) in massive MIMO. With beamforming, a directional beam can be produced by adjusting a weighting coefficient of each array element in the antenna array. Different beams obtained through beamforming have different quality. Therefore, parameter measurement needs to be performed to select an appropriate beam based on measurement results, for signal or channel transmission.

During beam measurement, a network device configures, for a terminal device (User Equipment, UE), a reference signal resource set RS resource set) used for beam measurement, and the UE measures a layer 1 (L1) reference signal received power (RSRP) corresponding to each beam link, and reports related information of a plurality of beams with best measurement results to the network device based on the L1-RSRPs, so that the network device selects a beam used for transmitting a signal or channel to the UE. However, the beam selected by the network device based on the L1-RSRP is not ideal, leading to defects of a low throughput or a high block error rate during signal or channel transmission.

SUMMARY

Some embodiments of this disclosure provide a method for channel and interference measurement and a device, so that a network device selects an ideal beam for transmitting a signal or channel to UE, thereby improving a throughput and decreasing a block error rate.

According to a first aspect, a method for channel and interference measurement is provided, applied to a terminal device, where the method includes:receiving a first group of reference signal resources; andmeasuring a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources; wherethe channel and the interference that are corresponding to the first reference signal resource are measured based on quasi co-location QCL information of the first reference signal resource.

According to a second aspect, a method for channel and interference measurement is provided, applied to a network device, where the method includes:transmitting a first group of reference signal resources to a terminal device, wherethe terminal device is configured to measure a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources, and measure, based on quasi co-location QCL information of the first reference signal resource, the channel and the interference that are corresponding to the first reference signal resource.

According to a third aspect, a terminal device is provided, where the terminal device includes:a first receiving module, configured to receive a first group of reference signal resources; anda measurement module, configured to measure a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources; wherethe measurement module is configured to measure, based on quasi co-location QCL information of the first reference signal resource, the channel and the interference that are corresponding to the first reference signal resource.

According to a fourth aspect, a network device is provided, where the network device includes:a first transmitting module, configured to transmit a first group of reference signal resources to a terminal device; wherethe terminal device is configured to measure a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources, and measure, based on quasi co-location QCL information of the first reference signal resource, the channel and the interference that are corresponding to the first reference signal resource.

According to a fifth aspect, a terminal device is provided, where the terminal device includes a memory, a processor, and a wireless communications program stored in the memory and capable of running on the processor, and when the wireless communications program is executed by the processor, the steps of the method according to the first aspect are implemented.

According to a sixth aspect, a network device is provided, where the network device includes a memory, a processor, and a wireless communications program stored in the memory and capable of running on the processor, and when the wireless communications program is executed by the processor, the steps of the method according to the second aspect are implemented.

According to a seventh aspect, a computer-readable medium is provided, where a wireless communications program is stored in the computer-readable medium, and when the wireless communications program is executed by a processor, the steps of the method according to the first aspect or the second aspect are implemented.

In some embodiments of this disclosure, the QCL information of the first reference signal resource in the first group of reference signal resources can be used to measure the channel corresponding to the first reference signal resource, and the QCL information of the first reference signal resource can also be used to measure the interference corresponding to the first reference signal resource. In this way, a measurement result better reflecting signal quality of a beam corresponding to the first reference signal resource can be obtained, so that the network device selects an ideal beam for transmitting a signal or channel to UE, thereby improving a throughput and decreasing a block error rate.

DESCRIPTION OF EMBODIMENTS

To make a person skilled in the art understand the technical solutions in this disclosure better, the following clearly describes the technical solutions in some embodiments of this disclosure with reference to the accompanying drawings in some embodiments of this disclosure. Apparently, the described embodiments are merely some but not all of the embodiments of this disclosure. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of this disclosure without creative efforts shall fall within the protection scope of this disclosure.

It should be understood that the technical solutions in some embodiments of this disclosure can be applied to various communications systems, such as a global system for mobile communications (GSM), a code division multiple access (CDMA) system, wideband code division multiple access (WCDMA), general packet radio service (GPRS), a long term evolution (LTE) system, an LTE frequency division duplex (FDD) system, an LTE time division duplex (TDD), a universal mobile telecommunications system (UMTS) or a worldwide interoperability for microwave access (WiMAX) communications system, a 5G system, or a new radio (NR) system.

A terminal device (User Equipment, UE) is also referred to as a mobile terminal, a mobile terminal device, and the like, and may communicate with at least one core network through a radio access network (for example, RAN). The terminal device may be a mobile terminal, such as a mobile phone (or referred to as a “cellular” phone) or a computer with a mobile terminal. For example, the terminal device may be a portable, pocket-sized, handheld, computer built-in, or in-vehicle mobile apparatus, which exchanges voice and/or data with the radio access network.

A network device is an apparatus deployed in a radio access network and used for providing a parameter measurement function. The network device may be a base station, and the base station may be a base station (BTS) in GSM or CDMA, may be a NodeB in WCDMA, or may be an evolved NodeB (eNB or e-NodeB) in LTE, a 5G NodeB (gNB), or a network-side device in a subsequent evolved communications system. However, the terms used do not constitute any limitation on the protection scope of this disclosure.

It should be noted that, during description of specific embodiments, sequence numbers of processes do not mean execution order and should not be construed as any limitation on the implementation processes in some embodiments of this disclosure, and the execution order of the processes should be determined based on functions and internal logic of the processes.

The following describes a method for channel and interference measurement applied to a terminal device with reference toFIG.1toFIG.5.

FIG.1shows a method for channel and interference measurement applied to a terminal device according to an embodiment of this disclosure. As shown inFIG.1, the method may include the following steps.

Step101: Receive a first group of reference signal resources.

The first group of reference signal resources may be reference signal resources (RS resource) transmitted by a network device and used for measuring signal quality parameters of a plurality of transmit beams of the network device. Generally, one transmit beam corresponds to one signal quality parameter. The signal quality parameter may be a signal to interference plus noise ratio (SINR). However, it should be noted that the SINR in some embodiments of this disclosure is different from a SINR in the related art.

During specific measurement, one transmit beam of the network device may correspondingly transmit one or more reference signal resources, and reference signal resources transmitted by a plurality of transmit beams form the first group of reference signal resources. For example, it is assumed that the network device has four transmit beams: a transmit beam1, a transmit beam2, a transmit beam3, and a transmit beam4. If during one measurement period, the transmit beam1transmits a reference signal resource1, the transmit beam2transmits a reference signal resource2, the transmit beam3transmits a reference signal resource3, and the transmit beam4transmits a reference signal resource4, a corresponding first group of reference signal resources includes the reference signal resource1, the reference signal resource2, the reference signal resource3, and the reference signal resource4. If during one measurement period, the transmit beam1transmits the reference signal resource1and the reference signal resource2, the transmit beam2transmits the reference signal resource3and the reference signal resource4, the transmit beam3transmits a reference signal resource5, and the transmit beam4transmits a reference signal resource6, a corresponding first group of reference signal resources includes the reference signal resource1, the reference signal resource2, the reference signal resource3, the reference signal resource4, the reference signal resource5, and the reference signal resource6.

Before receiving the first group of reference signal resources, the terminal device first receives configuration information of the group of reference signal resources. The configuration information is used for configuring one group of reference signal resources that includes the first group of reference signal resources. To be specific, in step101, the received first group of reference signal resources may be part or all of the one group of reference signal resources pre-configured by the network, and the one group of reference signal resources pre-configured by the network device may include one or several reference signal resource sets (RS resource set). In addition, the configuration information may further include information such as quasi co-location (QCL) information of the reference signal resources in the first group of reference signal resources and a value of a repetition parameter (repetition) of each RS resource set.

The QCL information of the reference signal resources may include, but is not limited to, information such as a source reference signal resource (source RS) and a type of a QCL relationship, and the QCL relationship may include the following types:QCL type A: {Doppler shift, Doppler spread, average delay, delay spread};QCL type B: {Doppler shift, Doppler spread};QCL type C: {Average delay, Doppler shift}; andQCL type D: {Spatial receive (Receive, Rx) parameter}.

Repetition is a parameter used for determining whether to perform repeated measurement on a transmit beam of the network device. If the value of repetition is on, it indicates that repeated measurement is performed on one transmit beam of the network device; if the value of repetition is off, it indicates that a plurality of transmit beams of the network device are measured in a polling manner.

The first group of reference signal resources may include two or more reference signal resources, and the reference signal resources included in the first group of reference signal resources may include, but are not limited to, synchronization signal blocks (SSB) or channel state information-reference signals (CSI-RS).

Optionally, the reference signal resources included in the first group of reference signal resources may be CSI-RSs, because usually fine measurement is performed on a to-be-measured beam in a CSI-RS-based channel measurement manner, and a channel obtained through measurement may be more accurate than that obtained in SSB-based channel measurement, good for multi-beam and multi-user scheduling on a network side.

Step102: Measure a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources.

The channel and the interference that are corresponding to the first reference signal resource are measured based on quasi co-location QCL information of the first reference signal resource.

The terminal device may specifically determine, based on the QCL information of the first reference signal resource, a reception parameter used for receiving the first reference signal resource; receive the first reference signal resource based on the reception parameter; and determine, based on a received power of the first reference signal resource, the channel corresponding to the first reference signal resource. In a more detailed example, a layer 1 (L1) reference signal resource received power (hereinafter referred to as RSRP) of the first reference signal resource may be determined as the channel corresponding to the first reference signal resource.

The interference corresponding to the first reference signal resource may include at least one of a first interference and a second interference that are described below. The following describes specific processes of measuring the first interference and the second interference by using specific examples.

In the first example, if the interference includes the first interference, the terminal device may measure, based on the QCL information of the first reference signal resource and at least one second reference signal resource, a first interference corresponding to the first reference signal resource. The first reference signal resource corresponds to a target signal quality parameter, and the second reference signal resource is a reference signal resource other than the first reference signal resource in the first group of reference signal resources.

In the first group of reference signal resources, after the first reference signal resource is determined, which reference signal resources to be used as the second reference signal resource depends on whether the reference signal resources correspond to the target signal quality parameter. In addition, generally, one transmit beam corresponds to one signal quality parameter. Therefore, it ultimately depends on whether a transmit beam corresponding to the reference signal resources is the same as a transmit beam corresponding to the first reference signal resource. If the transmit beam corresponding to the reference signal resources is the same as the transmit beam corresponding to the first reference signal resource, the reference signal resource cannot be used as the second reference signal resource; otherwise, the reference signal resource may be used as the second reference signal resource. That is, whether a reference signal resource in the first group of reference signal resources is used for measuring the channel or measuring the first interference depends on whether a transmit beam corresponding to the reference signal resource is a currently measured transmit beam. If yes, the reference signal resource is used for measuring the channel; otherwise, the reference signal resource is used for measuring the first interference. In other words, a reference signal resource used for measuring the channel is usually not used to measure the first interference.

On this basis, because the first interference corresponding to the first reference signal resource is determined based on at least one of other reference signal resources than the first reference signal resource in the first group of reference signal resources, and the other reference signal resources are reference signal resources transmitted by the network device and used for measuring other transmit beams of the network device, the first interference corresponding to the first reference signal resource may be considered as an interference representing an inter-beam interference.

In addition, the terminal device may determine, based on the QCL information, a reception parameter for receiving the at least one second reference signal resource; receive the at least one second reference signal resource based on the reception parameter; and determine, based on a received power of the at least one second reference signal resource, the first interference corresponding to the first reference signal resource.

The following describes, by using a more detailed example with reference toFIG.2andFIG.3, a process of measuring the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources.

It is assumed that the network device transmits the first group of reference signal resources to the terminal device by using four transmit beams (Tx beam). The four transmit beams are a transmit beam1, a transmit beam2, a transmit beam3, and a transmit beam4. The terminal device receives the first group of reference signal resources by using two receive beams (Rx beam), and the first group of reference signal resources includes a CSI-RS resource1, a CSI-RS resource2, a CSI-RS resource3, and a CSI-RS resource4. The terminal device successively measures the received CSI-RS resource1, CSI-RS resource2, CSI-RS resource3, and CSI-RS resource4in a polling manner.

As shown inFIG.2, during measurement on a channel and an interference of the CSI-RS resource1, the terminal device determines, based on QCL information of the CSI-RS resource1, that a beam for receiving the CSI-RS resource1is a receive beam1. Then, the terminal device successively receives the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4by using the receive beam1; determines that received powers of the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4are RSRP11, RSRP12, RSRP13, and RSRP14, respectively, that is, obtaining quality of links between the four transmit beams and the receive beam1; and uses RSRP11as the channel corresponding to the CSI-RS resource1, and RSRP12, RSRP13, and RSRP14as a first interference corresponding to the CSI-RS resource1. Optionally, a signal to interference plus noise ratio corresponding to the CSI-RS resource1may be further obtained through calculation as follows:
SINR1=RSRP11/(RSRP12+RSRP13+RSRP14)

Further, as shown inFIG.2, during measurement on a channel and an interference of the CSI-RS resource2, the terminal device determines, based on QCL information of the CSI-RS resource2, that a beam for receiving the CSI-RS resource2is also the receive beam1. Then, the terminal device obtains, through measurement by using the receive beam1, received powers of the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4, namely RSRP11, RSRP12, RSRP13, and RSRP14, respectively; and uses RSRP12as the channel corresponding to the CSI-RS resource2, and RSRP11, RSRP13, and RSRP14as a first interference corresponding to the CSI-RS resource2. Optionally, a signal to interference plus noise ratio corresponding to the CSI-RS resource2may be further obtained through calculation as follows:
SINR2=RSRP12/(RSRP11+RSRP13+RSRP14)

As shown inFIG.3, during measurement on a channel and an interference of the CSI-RS resource3, the terminal device determines, based on QCL information of the CSI-RS resource3, that a beam for receiving the CSI-RS resource3is a receive beam2. Then, the terminal device obtains, through measurement by using the receive beam2, received powers of the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4, namely RSRP21, RSRP22, RSRP23, and RSRP24, respectively; and uses RSRP23as the channel corresponding to the CSI-RS resource3, and RSRP21, RSRP22, and RSRP24as a first interference corresponding to the CSI-RS resource3. Optionally, a signal to interference plus noise ratio corresponding to the CSI-RS resource3may be further obtained through calculation as follows:
SINR3=RSRP23/(RSRP21+RSRP22+RSRP24)

Further, as shown inFIG.3, during measurement on a channel and an interference of the CSI-RS resource4, the terminal device determines, based on QCL information of the CSI-RS resource4, that a beam for receiving the CSI-RS resource4is also the receive beam2. Then, the terminal device obtains, through measurement by using the receive beam2, received powers of the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4, namely RSRP21, RSRP22, RSRP23, and RSRP24, respectively; and uses RSRP24as the channel corresponding to the CSI-RS resource4, and RSRP21, RSRP22, and RSRP23as a first interference corresponding to the CSI-RS resource4. Optionally, a signal to interference plus noise ratio corresponding to the CSI-RS resource4may be further obtained through calculation as follows:
SINR4=RSRP24/(RSRP21+RSRP22+RSRP23)

Still further, as shown inFIG.2, because the receive beams for receiving the CSI-RS resource1and the CSI-RS resource2are both the receive beam1, in actual measurement, the terminal device performs one measurement on the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4by using the receive beam1to obtain SINR1of the CSI-RS resource1and SINR2of the CSI-RS resource2through calculation, not requiring two measurements. Likewise, as shown inFIG.3, because the receive beams for receiving the CSI-RS resource3and the CSI-RS resource4are both the receive beam2, in actual measurement, the terminal device performs one measurement on the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4by using the receive beam2to obtain SINR3of the CSI-RS resource3and SINR4of the CSI-RS resource4through calculation, not requiring two measurements. That is, the terminal device may obtain SINR1, SINR2, SINR3, and SINR4through measurement by polling two times instead of polling four times, thereby reducing a measurement time of the terminal device and reducing computing resources of the terminal device.

Therefore, optionally, the method shown inFIG.1may further include: determining, based on the QCL information of the at least one first reference signal resource, a quantity of measurement times corresponding to the at least one first reference signal resource, so as to reduce a measurement time of the terminal device and reduce computing resources of the terminal device. Specifically, when two or more first reference signal resources with the same receive beam are determined based on the QCL information of the at least one first reference signal resource, the quantity of measurement times corresponding to the at least one first reference signal resource can be reduced. For example, in the examples shown inFIG.2andFIG.3, it may be determined, based on the QCL information, that every two reference signal resources have the same receive beam, the quantity of measurement times for the terminal device may be reduced from four to two.

Optionally, in step102, the terminal device may further adjust, based on the QCL information of the at least one first reference signal resource, a measurement order for measuring the at least one first reference signal resource. For example, during measurement on the four CSI-RS resources in the examples shown inFIG.2andFIG.3, the terminal device may alternatively first measure the channels and the interferences of the CSI-RS resource3and the CSI-RS resource4by using the receive beam2, and then measure the channels and the interferences of the CSI-RS resource1and the CSI-RS resource2by using the receive beam1.

In the foregoing first example, the first interference representing the inter-beam interference may be specifically obtained through measurement, and therefore the network device may select an ideal beam for transmitting a signal or channel to the terminal device, thereby increasing a throughput and decreasing a block error rate.

In the second example, as shown inFIG.4, if the channel and the interference that are corresponding to the first reference signal resource include the second interference, and the second interference may be a parameter used for representing a neighboring-cell interference, the method for channel and interference measurement applied to the terminal device provided in some embodiments of this disclosure may further include the following step.

Step103: Receive a second group of reference signal resources, where the second group of reference signal resources is used to measure a second interference corresponding to the first reference signal resource.

Reference signal resources in the second group of reference signal resources may include: at least one of a channel state information-interference measurement (CSI-IM) resource, an interference measurement resource (IMR), and an NZP CSI-RS (Non Zero Power Channel State Information Reference Signal) resource.

Further, at least one reference signal resource in the second group of reference signal resources partially or completely overlaps at least one reference signal resource in the first group of reference signal resources. It is easy to understand that resource overheads for the network device are reduced on the whole when the at least one reference signal resource in the second group of reference signal resources partially or completely overlaps the at least one reference signal resource in the first group of reference signal resources, in comparison to a case in the related art that a reference signal resource specially used for measuring a second interference is additionally configured for the terminal device to measure the second interference.

In a first specific implementation, one reference signal resource in the second group of reference signal resources may partially or completely overlap correspondingly one reference signal resource in the first group of reference signal resources. In a second specific implementation, one reference signal resource in the second group of reference signal resources may partially or completely overlap correspondingly a plurality of corresponding reference signal resources in the first group of reference signal resources. In a third specific implementation, a plurality of reference signal resources in the second group of reference signal resources may partially or completely overlap correspondingly one reference signal resource in the first group of reference signal resource; and so on.

For example, it is assumed that the network device has four transmit beams. Correspondingly, the first group of reference signal resources transmitted by the network device to the terminal device includes a CSI-RS resource1, a CSI-RS resource2, a CSI-RS resource3, and a CSI-RS resource4. The second group of reference signal resources transmitted by the network device to the terminal device includes a CSI-IM resource1, a CSI-IM resource2, a CSI-IM resource3, and a CSI-IM resource4.

The CSI-IM resource1partially or completely overlaps correspondingly the CSI-RS resource1, the CSI-IM resource2partially or completely overlaps correspondingly the CSI-RS resource2, the CSI-IM resource3partially or completely overlaps correspondingly the CSI-RS resource3, and the CSI-IM resource4partially or completely overlaps correspondingly the CSI-RS resource4. Alternatively, the CSI-IM resource1partially or completely overlaps the CSI-RS resource1, the CSI-RS resource2, and the CSI-RS resource3separately; or the CSI-IM resource1, the CSI-IM resource2, the CSI-IM resource3each partially or completely overlap the CSI-RS resource1; and so on.

It should be noted that, similar to the foregoing first example, when one reference signal resource in the second group of reference signal resources partially or completely overlaps one reference signal resource in the first group of reference signal resources, whether the overlapping reference signal resource is used for measuring the channel or measuring the second interference depends on whether the currently measured beam is a transmit beam corresponding to the reference signal resource. If the currently measured beam is the transmit beam corresponding to the reference signal resource, the reference signal resource may be used for measuring the channel; if the currently measured beam is not the transmit beam corresponding to the reference signal resource, the reference signal resource may be used for measuring the second interference.

Further, at least one third reference signal resource has an association relationship with the first reference signal resource, where the third reference signal resource is a reference signal resource in the second group of reference signal resources, and the third reference signal resource having an association relationship with the first reference signal resource is used to measure the second interference corresponding to the first reference signal resource.

In a first specific implementation, a plurality of third reference signal resources may be associated with one first reference signal resource. In a second specific implementation, one third reference signal resource may be associated with one first reference signal resource. In a third specific implementation, one third reference signal resource may be associated with a plurality of first reference signal resources; and so on.

For example, still using the foregoing example, it is assumed that the network device has four transmit beams. Correspondingly, the first group of reference signal resources transmitted by the network device to the terminal device includes a CSI-RS resource1, a CSI-RS resource2, a CSI-RS resource3, and a CSI-RS resource4. The second group of reference signal resources transmitted by the network device to the terminal device includes a CSI-IM resource1, a CSI-IM resource2, a CSI-IM resource3, and a CSI-IM resource4.

The CSI-IM resource1, the CSI-IM resource2, and the CSI-IM resource3each are associated with the CSI-RS resource1. Alternatively, the CSI-RS resource1is associated with the CSI-IM resource1, the CSI-RS resource2is associated with the CSI-IM resource2, the CSI-RS resource3is associated with the CSI-IM resource3, and the CSI-RS resource4is associated with the CSI-IM resource4. Alternatively, the CSI-RS resource1is associated with the CSI-IM resource2, the CSI-IM resource3, and the CSI-IM resource4; the CSI-RS resource2is associated with the CSI-IM resource1, the CSI-IM resource3, and the CSI-IM resource4; the CSI-RS resource3is associated with the CSI-IM resource1, the CSI-IM resource2, and the CSI-IM resource4; and the CSI-RS resource4is associated with the CSI-IM resource1, the CSI-IM resource2, and the CSI-IM resource3. Other association manners are used.

Optionally, in step102, the terminal device may measure, based on the QCL information of the first reference signal resource and at least one third reference signal resource associated with the first reference signal resource, the second interference corresponding to the first reference signal resource.

Specifically, the terminal device may determine, based on the QCL information, a reception parameter used for receiving the at least one third reference signal resource associated with the first reference signal resource; receive, based on the reception parameter, the at least one third reference signal resource associated with the first reference signal resource; and determine, based on a received power of the at least one third reference signal resource associated with the first reference signal resource, the second interference corresponding to the first reference signal resource.

In this way, in the example shown inFIG.2, if the third reference signal resource associated with the CSI-RS resource1is the CSI-IM resource2, the CSI-IM resource3, and the CSI-IM resource4, the terminal device may measure, based on QCL information of the CSI-RS resource1, a channel (RSRP11) corresponding to the CSI-RS resource1; and based on the QCL information of the CSI-RS resource1, measure the CSI-IM resource2, the CSI-IM resource3, and the CSI-IM resource4that are associated with the CSI-RS resource1to obtain a second interference corresponding to the CSI-RS resource1. Correspondingly, a signal to interference plus noise ratio corresponding to the CSI-RS resource1may be: SINR1=RSRP11/second interference, where the second interference may be a sum or an average value of received powers of the CSI-IM resource2, the CSI-IM resource3, and the CSI-IM resource4.

In the foregoing second example, the terminal device may obtain, through measurement based on the second group of reference signal resources, the second interference representing the neighboring-cell interference, and therefore the network device may select an ideal beam for transmitting a signal or channel to the terminal device, thereby increasing a throughput and decreasing a block error rate.

In the third example, if the interference includes the first interference and the second interference, the terminal device may measure, based on the QCL information and at least one second reference signal resource, the first interference corresponding to the first reference signal resource. The first reference signal resource corresponds to a target signal quality parameter, and the second reference signal resource is a reference signal resource other than the first reference signal resource in the first group of reference signal resources. The method for channel and interference measurement provided in some embodiments of may further include: receiving a second group of reference signal resources, where the second group of reference signal resources is used to measure the second interference corresponding to the first reference signal resource.

It should be understood that the third example is a combination of the first example and the second example. For related details, refer to the foregoing description. Details are not repeated herein. The following provides brief description with an example.

For example, in the example shown inFIG.2, if the third reference signal resource associated with the CSI-RS resource1is the CSI-IM resource2, the CSI-IM resource3, and the CSI-IM resource4, the terminal device may measure, based on QCL information of the CSI-RS resource1, a channel (RSRP11) corresponding to the CSI-RS resource1; based on the QCL information of the CSI-RS resource1, measure the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4to obtain the first interference corresponding to the CSI-RS resource1; and based on the QCL information of the CSI-RS resource1, measure the CSI-IM resource2, the CSI-IM resource3, and the CSI-IM resource4that are associated with the CSI-RS resource1to obtain the second interference corresponding to the CSI-RS resource1.

Correspondingly, a signal to interference plus noise ratio corresponding to the CSI-RS resource1may be: SINR1=RSRP11/(first interference+second interference), where the first interference may be RSRP12+RSRP13+RSRP14, and the second interference may be a sum or an average value of received powers of the CSI-IM resource2, the CSI-IM resource3, and the CSI-IM resource4.

For another example, if one CSI-IM resource overlaps a plurality of CSI-RS resources, as shown in the example ofFIG.2, the CSI-IM resource1separately overlaps the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4, and the CSI-IM resource1is associated with the CSI-RS resource1. Then, during measurement of the first interference and the second interference that are corresponding to the CSI-RS resource1, it is supposed that the terminal device uses, as the first interference, the sum of the received powers of the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4that are obtained through measurement based on the QCL parameter of the CSI-RS resource1, and uses, as the second interference, a received power of the CSI-IM resource1obtained through measurement based on the QCL parameter of the CSI-RS resource1. However, because the CSI-IM resource1separately overlaps the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4, the received powers of the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4that are obtained through measurement based on the QCL parameter of the CSI-RS resource1include part or all of the received power of the CSI-IM resource1.

Specifically, the received power of the CSI-IM resource1is all included when the CSI-IM resource1completely overlaps the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4; and the received power of the CSI-IM resource1is partially included when the CSI-IM resource1partially overlaps the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4. In other words, the first interference includes part or all of the second interference. When the first interference includes all of the second interference, only the first interference or the second interference needs to be measured, to obtain an inter-beam interference and a neighboring-cell interference that are corresponding to the first reference signal resource.

On this basis, optionally, if the at least one third reference signal resource associated with the first reference signal resource completely overlaps the at least one second reference signal resource, the terminal device may first determine, based on the QCL information, a reception parameter used for receiving the at least one second reference signal resource and the at least one third reference signal resource that is associated with the first reference signal resource. Then, the terminal device receives the at least one second reference signal resource based on the reception parameter, and determines, based on the received power of the at least one second reference signal resource, the first interference and the second interference that are corresponding to the first reference signal resource. Alternatively, the terminal device receives, based on the reception parameter, the at least one third reference signal resource associated with the first reference signal resource, and determines, based on the received power of the at least one third reference signal resource associated with the first reference signal resource, the first interference and the second interference that are corresponding to the first reference signal resource.

In the foregoing third example, not only the first interference representing the inter-beam interference can be obtained through measurement, but also the second interference representing the neighboring-cell interference can be obtained through measurement. Therefore, the network device may select an ideal beam for transmitting a signal or channel to the terminal device, thereby increasing a throughput and decreasing a block error rate.

On the basis of any one of the first example to the third example, after receiving the first group of reference signal resources transmitted by the network device, the terminal device may measure channels and interferences of all the reference signal resources in the first group of reference signal resources, or may measure channels and interferences of part of the reference signal resources in the first group of reference signal resources, and the terminal device may measure, in different orders, the reference signal resources that need to be measured.

Which reference signal resources to be measured by the terminal device (that is, which reference signal resources are specifically included in the at least one first reference signal resource) and in what order measurement is performed may be implemented in a specific implementation as follows: according to a preset measurement rule, measuring the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources. The preset measurement rule is used to determine the at least one first reference signal resource that needs to be measured, and a measurement order of the at least one first reference signal resource, and the preset measurement rules corresponding to different measurement periods are the same or different.

Specifically, during a specific measurement period, the terminal device may determine the preset measurement rule in at least one of the following manners: determining the preset measurement rule based on indication information of the network device; determining the preset measurement rule based on a preset protocol; determining the preset measurement rule based on a reference signal resource meeting a preset condition in the first group of reference signal resources; and so on.

The determining the preset measurement rule based on a reference signal resource meeting a preset condition in the first group of reference signal resources may include: determining the preset measurement rule based on a reference signal resource whose channel and interference meet a first preset condition in a most recent historical measurement result of the first group of reference signal resources.

For example, assuming that the reference signal resources in the first group of reference signal resources are CSI-RS resources, several CSI-RS resources whose signal quality parameters or channels (such as RSRPs) in the most recent measurement result are greater than a preset value or less than a preset value, or several CSI-RS resources located in the front of a sorted list may be determined as the at least one first reference signal resource that needs to be measured during the current measurement period, where the sorting may be in either ascending or descending order. Specifically, for example, it is assumed that four first reference signal resources, namely the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4, are measured in the last measurement, and the measurement result is that a SINR of the CSI-RS resource1and a SINR of the CSI-RS resource2are greater than those of the other two CSI-RS resources. Then, the preset measurement rule may be determined as: first measuring the channel and the interference that are corresponding to the CSI-RS resource1, and then measuring the channel and the interference that are corresponding to the CSI-RS resource2.

Optionally, during the next measurement period, the terminal device may measure, according to another preset measurement rule, the channel and the interference that are corresponding to the at least one first reference signal resource. For example, the another preset measurement rule may be: successively measuring the channels and the interferences that are corresponding to the CSI-RS resource1, the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4. Alternatively, the another preset measurement rule may be: successively measuring the channels and the interferences that are corresponding to the CSI-RS resource4, the CSI-RS resource3, the CSI-RS resource2, and the CSI-RS resource1. Alternatively, the another preset measurement rule may be: successively measuring the channels and the interferences that are corresponding to the CSI-RS resource4and the CSI-RS resource3; and so on.

For another example, it is assumed that the network device has four transmit beams and the terminal device has two receive beams. Correspondingly, the first group of reference signal resources transmitted by the network device to the terminal device includes a CSI-RS resource1, a CSI-RS resource2, a CSI-RS resource3, and a CSI-RS resource4. The second group of reference signal resources transmitted by the network device to the terminal device includes a CSI-IM resource1, a CSI-IM resource2, a CSI-IM resource3, and a CSI-IM resource4. The CSI-RS resource1is associated with the CSI-IM resource1, the CSI-RS resource2is associated with the CSI-IM resource2, the CSI-RS resource3is associated with the CSI-IM resource3, and the CSI-RS resource4is associated with the CSI-IM resource4.

In this case, the terminal device may perform measurement according to the following preset measurement rule: successively measuring the CSI-RS resource1, the CSI-IM resource associated with the CSI-RS resource1, the CSI-RS resource2, the CSI-IM resource associated with the CSI-RS resource2, the CSI-RS resource3, the CSI-IM resource associated with the CSI-RS resource3, the CSI-RS resource4, and the CSI-IM resource associated with the CSI-RS resource4. Specifically, based on the QCL information, configured by the network device, of the CSI-RS resource1, the terminal device determines to use the receive beam1to measure a channel, a first interference, and a second interference that are corresponding to the CSI-RS resource1; uses an RSRP of the CSI-RS resource1as the channel corresponding to the CSI-RS resource1, a sum of received powers of the CSI-RS resource2, the CSI-RS resource3, and the CSI-RS resource4as the first interference corresponding to the CSI-RS resource1; and uses a measurement result of the CSI-IM resource1as the second interference corresponding to the CSI-RS resource1; and so on.

It is conceivable that there may be many types of preset measurement rules, which are not limited in some embodiments of this disclosure.

Optionally, same as the foregoing first example, in the foregoing second and third examples, the terminal device may alternatively determine, based on the QCL information of the at least one first reference signal resource, a quantity of measurement times corresponding to the at least one first reference signal resource, so as to reduce a measurement time of the terminal device and reduce computing resources of the terminal device. Specifically, when two or more first reference signal resources with the same receive beam are determined based on the QCL information of the at least one first reference signal resource, the quantity of measurement times corresponding to the at least one first reference signal resource can be reduced.

Optionally, the terminal device may further adjust, based on the QCL information of the at least one first reference signal resource, a measurement order for measuring the at least one first reference signal resource.

It can be understood that a manner in which the terminal device performs measurement based on different preset measurement rules in different measurement periods is relatively flexible, and the terminal device may perform different measurement behaviors in different measurement periods. In addition, when the terminal device determines, according to the preset measurement rule, that the at least one first reference signal resource that needs to be measured is part of the reference signal resources in the first group of reference signal resources, the computing resources of the terminal device can be reduced. Correspondingly, when the network device also transmits the first group of reference signal resources according to the preset measurement rule, if the first group of reference signal resources is part of one pre-configured group of reference signal resources, resource overheads for the network device can also be reduced.

According to a method for channel and interference measurement in some embodiments of this disclosure, the QCL information of the first reference signal resource in the first group of reference signal resources can be used to measure the channel corresponding to the first reference signal resource, and the QCL information of the first reference signal resource can also be used to measure the interference corresponding to the first reference signal resource. In this way, a measurement result better reflecting signal quality of a beam corresponding to the first reference signal resource can be obtained, so that the network device selects an ideal beam for transmitting a signal or channel to UE, thereby improving a throughput and decreasing a block error rate.

In addition, the terminal device may perform different measurement behaviors in different measurement periods according to different preset measurement rules. Specifically, when the terminal device determines, according to the preset measurement rule, that the at least one first reference signal resource that needs to be measured is part of the reference signal resources in the first group of reference signal resources, the computing resources of the terminal device can be reduced. Correspondingly, when the network device also transmits the first group of reference signal resources according to the preset measurement rule, if the first group of reference signal resources is part of one pre-configured group of reference signal resources, resource overheads for the network device can also be reduced.

Furthermore, in the foregoing first example, the network device does not need to configure an additional reference signal resource used for measuring the interference, and the channel and the first interference that are corresponding to the first reference signal resource may be obtained through measurement based on the first group of reference signal resources, thereby reducing resource overheads for the network device. In addition, in the foregoing second and third examples, at least one reference signal resource in the second group of reference signal resources may overlap at least one reference signal resource in the first group of reference signal resources. Therefore, although a reference signal resource specially used for measuring the second interference is configured, this can still reduce the resource overheads for the network device on the whole in comparison to the related art.

In addition, when the terminal device determines two or more first reference signal resources with the same receive beam based on the QCL information of the at least one first reference signal resource, the quantity of measurement times corresponding to the at least one first reference signal resource can be reduced, so as to reduce a measurement time of the terminal device and reduce computing resources of the terminal device.

Optionally, on the basis of any one of the foregoing embodiments, a method for channel and interference measurement applied to the terminal device provided in some embodiments of this disclosure may further include: based on a channel and an interference that are obtained through measurement by using a target reference signal resource, determining whether to apply a measurement restriction to the target reference signal resource, where the target reference signal resource is any one of the first group of reference signal resources or any one of the second group of reference signal resources.

In other words, whether to apply the measurement restriction to the target reference signal resource is determined based on whether the target reference signal resource is used to measure the channel or the interference.

In a specific implementation, when the target reference signal resource is used to measure the channel, it may be determined to apply the measurement restriction to the target reference signal resource; and when the target reference signal resource is used to measure the interference, it may be determined not to apply the measurement restriction to the target reference signal resource.

In another specific implementation, when the target reference signal resource is used to measure the interference, it may be determined to apply the measurement restriction to the target reference signal resource; and when the target reference signal resource is used to measure the channel, it may be determined not to apply the measurement restriction to the target reference signal resource.

Alternatively, when the target reference signal resource is used to measure the channel and the interference, it may be all determined to apply the measurement restriction to the target reference signal resource.

It should be understood that whether to apply the measurement restriction to the target reference signal resource can be flexibly set, which is not limited in some embodiments of this disclosure.

The following describes the measurement restriction by using an example. If it is determined to apply the measurement restriction to the target reference signal resource when the target reference signal resource is used to measure the interference, the measurement restriction may be that: In one measurement period, only a measurement result of the target reference signal resource at one measurement time point can be used as the interference, neither using an average value of a plurality of measurement results of the target reference signal resource at different measurement time points as the interference, nor using an average value of measurement results of a plurality of target reference signal resources as the interference; and so on.

As shown inFIG.5, on the basis of any one of the foregoing embodiments, a method for channel and interference measurement applied to the terminal device provided in some embodiments of this disclosure may further include the following step.

Step104: Determine, based on the channel and the interference that are corresponding to the first reference signal resource, a target signal quality parameter corresponding to the first reference signal resource.

Specifically, in step104, the terminal device may determine a ratio of the channel corresponding to the first reference signal resource to the interference corresponding to the first reference signal resource as the target signal quality parameter corresponding to the first reference signal resource. The interference may be at least one of the first interference and the second interference, and the target signal quality parameter is the SINR described above.

According to a method for channel and interference measurement provided in the embodiment shown inFIG.5, the target signal quality parameter corresponding to the first reference signal resource can be further determined based on the channel and the interference. Therefore, a measurement result better reflecting signal quality of beams corresponding to a plurality of target signal quality parameters can be obtained, so that the network device selects, based on the measurement result, an ideal beam for transmitting a signal or channel to the terminal device, thereby improving a throughput and decreasing a block error rate.

Optionally, on the basis of the embodiment shown inFIG.5, a method for channel and interference measurement provided in some embodiments of this disclosure may further include: selecting, from the at least one first reference signal resource, at least one fourth reference signal resource whose target signal quality parameter satisfies a second preset condition; and reporting at least one of an index of the at least one fourth reference signal resource, a target signal quality parameter of the at least one fourth reference signal resource, and a channel of the at least one fourth reference signal resource.

In an example, at least one fourth reference signal resource whose SINR is greater than or equal to a preset threshold may be selected from the at least one first reference signal resource; or the at least one first reference signal resource is sorted in descending order of SINRs, and at least one fourth reference signal resource located in the front of the sorted list is selected.

For example, M fourth reference signal resources are selected from N first reference signal resources in any one of the foregoing manners. Then, SINRs of the M fourth reference signal resources, indexes of the M fourth reference signal resources, and other information related to the SINRs corresponding to the M fourth reference signal resources are reported to the network device, so that the network device determines an ideal beam for transmitting a signal or channel to the terminal device.

Optionally, on the basis of any one of the foregoing embodiments, a method for channel and interference measurement provided in some embodiments of this disclosure may further include: determining a value of a repetition parameter configured by the network device; where in a case that the value is off, the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources are measured.

Repetition is a parameter used for determining whether to perform repeated measurement on a transmit beam of the network device. If the value of repetition is on, it indicates that repeated measurement is performed on one transmit beam of the network device; if the value of repetition is off, it indicates that a plurality of beams of the network device are measured in a polling manner.

Some embodiments of this disclosure are intended to describe that: in a case that the value of repetition is off, a method for channel and interference measurement provided in some embodiments of this disclosure is used to measure the channel and the interference that are corresponding to the at least one first reference signal resource. Conversely, in a case that the value of repetition is on, a method for channel and interference measurement provided in some embodiments of this disclosure may be not used for measurement.

It should be noted that, in some embodiments of this disclosure, the first group of reference signal resources, the second group of reference signal resources, and the value of repetition may be configured by using the same configuration information.

The foregoing describes the method for channel and interference measurement applied to the terminal device. The following describes a method for channel and interference measurement applied to a network device provided in some embodiments of this disclosure with reference toFIG.6andFIG.7.

As shown inFIG.6, a method for channel and interference measurement applied to a network device provided in some embodiments of this disclosure may include the following steps.

Step601: Transmit a first group of reference signal resources to a terminal device.

The terminal device is configured to measure a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources, and measure, based on quasi co-location QCL information of the first reference signal resource, the channel and the interference that are corresponding to the first reference signal resource.

Specifically, the terminal device is configured to: determine, based on the QCL information of the first reference signal resource, a reception parameter used for receiving the first reference signal resource; receive the first reference signal resource based on the reception parameter; and determine, based on a received power of the first reference signal resource, the channel corresponding to the first reference signal resource.

In the first example, the interference includes a first interference. The terminal device is configured to measure, based on the QCL information and at least one second reference signal resource, a first interference corresponding to the first reference signal resource, the first reference signal resource corresponds to a target signal quality parameter, and the second reference signal resource is a reference signal resource other than the first reference signal resource in the first group of reference signal resources.

Specifically, the terminal device is configured to: determine, based on the QCL information, a reception parameter for receiving the at least one second reference signal resource; receive the at least one second reference signal resource based on the reception parameter; and determine, based on a received power of the at least one second reference signal resource, the first interference corresponding to the first reference signal resource.

In the second example, as shown inFIG.7, the interference includes a second interference, and the method further includes the following step.

Step602: Transmit a second group of reference signal resources to the terminal device, where the second group of reference signal resources is used to measure a second interference corresponding to the first reference signal resource.

Optionally, at least one reference signal resource in the second group of reference signal resources partially or completely overlaps at least one reference signal resource in the first group of reference signal resources.

Optionally, at least one third reference signal resource has an association relationship with the first reference signal resource, where the third reference signal resource is a reference signal resource in the second group of reference signal resources, and the third reference signal resource having an association relationship with the first reference signal resource is used to measure the second interference corresponding to the first reference signal resource.

On this basis, the terminal device is configured to measure, based on the QCL information and the at least one third reference signal resource associated with the first reference signal resource, the second interference corresponding to the first reference signal resource.

Specifically, the terminal device is configured to: determine, based on the QCL information, a reception parameter used for receiving the at least one third reference signal resource associated with the first reference signal resource; determine, based on the reception parameter, the at least one third reference signal resource associated with the first reference signal resource; and determine, based on a received power of the at least one third reference signal resource associated with the first reference signal resource, the second interference corresponding to the first reference signal resource.

In the third example, the interference includes the first interference and the second interference. For measurement of the first interference, refer to the foregoing first example; for the measurement of the second interference, refer to the foregoing second example.

On the basis of any one of the first example to the third example, the terminal device is configured to: measure, according to a preset measurement rule, the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources. The preset measurement rule is used to determine the at least one first reference signal resource and a measurement order of the at least one first reference signal resource, and the preset measurement rules corresponding to different measurement periods are the same or different.

The terminal device is configured to determine the preset measurement rule in at least one of the following manners: determining the preset measurement rule based on indication information of the network device; determining the preset measurement rule based on a preset protocol; and determining the preset measurement rule based on a reference signal resource meeting a preset condition in the first group of reference signal resources.

Optionally, the determining the preset measurement rule based on a reference signal resource meeting a preset condition in the first group of reference signal resources includes: determining the preset measurement rule based on a reference signal resource whose channel and interference meet a first preset condition in a most recent historical measurement result of the first group of reference signal resources.

Optionally, if the terminal device determines the preset measurement rule based on the indication information of the network device, the method shown inFIG.6orFIG.7may further include: transmitting, to the terminal device, indication information used for determining the preset measurement rule.

According to a method for channel and interference measurement in some embodiments of this disclosure, the QCL information of the first reference signal resource in the first group of reference signal resources can be used to measure the channel corresponding to the first reference signal resource, and the QCL information of the first reference signal resource can also be used to measure the interference corresponding to the first reference signal resource. In this way, a measurement result better reflecting signal quality of a beam corresponding to the first reference signal resource can be obtained, so that the network device selects an ideal beam for transmitting a signal or channel to UE, thereby improving a throughput and decreasing a block error rate.

In addition, the terminal device may perform different measurement behaviors in different measurement periods according to different preset measurement rules. Specifically, when the terminal device determines, according to the preset measurement rule, that the at least one first reference signal resource that needs to be measured is part of the reference signal resources in the first group of reference signal resources, the computing resources of the terminal device can be reduced. Correspondingly, when the network device also transmits the first group of reference signal resources according to the preset measurement rule, if the first group of reference signal resources is part of one pre-configured group of reference signal resources, resource overheads for the network device can also be reduced.

Furthermore, in the foregoing first example, the network device does not need to configure an additional reference signal resource used for measuring the interference, and the channel and the first interference that are corresponding to the first reference signal resource may be obtained through measurement based on the first group of reference signal resources, thereby reducing resource overheads for the network device. In addition, in the foregoing second and third examples, at least one reference signal resource in the second group of reference signal resources may overlap at least one reference signal resource in the first group of reference signal resources. Therefore, although a reference signal resource specially used for measuring the second interference is configured, this can still reduce the resource overheads for the network device on the whole in comparison to the related art.

In addition, when the terminal device determines two or more first reference signal resources with the same receive beam based on the QCL information of the at least one first reference signal resource, the quantity of measurement times corresponding to the at least one first reference signal resource can be reduced, so as to reduce a measurement time of the terminal device and reduce computing resources of the terminal device.

Optionally, on the basis of any one of the foregoing embodiments, the terminal device is further configured to: based on a channel and an interference that are obtained through measurement by using a target reference signal resource, determine whether to apply a measurement restriction to the target reference signal resource, where the target reference signal resource is any one of the first group of reference signal resources or any one of the second group of reference signal resources.

In other words, whether to apply the measurement restriction to the target reference signal resource is determined based on whether the target reference signal resource is used to measure the channel or the interference.

In a specific implementation, when the target reference signal resource is used to measure the channel, it may be determined to apply the measurement restriction to the target reference signal resource; and when the target reference signal resource is used to measure the interference, it may be determined not to apply the measurement restriction to the target reference signal resource.

In another specific implementation, when the target reference signal resource is used to measure the interference, it may be determined to apply the measurement restriction to the target reference signal resource; and when the target reference signal resource is used to measure the channel, it may be determined not to apply the measurement restriction to the target reference signal resource.

Alternatively, when the target reference signal resource is used to measure the channel and the interference, it may be all determined to apply the measurement restriction to the target reference signal resource.

It should be understood that whether to apply the measurement restriction to the target reference signal resource can be flexibly set, which is not limited in some embodiments of this disclosure.

Optionally, on the basis of any one of the foregoing embodiments, the terminal device is further configured to: determine, based on the channel and the interference that are corresponding to the first reference signal resource, a target signal quality parameter corresponding to the first reference signal resource.

Specifically, the terminal device is configured to determine a ratio of the channel corresponding to the first reference signal resource to the interference corresponding to the first reference signal resource as the target signal quality parameter corresponding to the first reference signal resource. The interference may be at least one of the first interference and the second interference, and the target signal quality parameter is the SINR described above.

According to some embodiments of this disclosure, the target signal quality parameter corresponding to the first reference signal resource can be further determined based on the channel and the interference. Therefore, a measurement result better reflecting signal quality of beams corresponding to a plurality of target signal quality parameters can be obtained, so that the network device selects, based on the measurement result, an ideal beam for transmitting a signal or channel to the terminal device, thereby improving a throughput and decreasing a block error rate.

Optionally, on the basis of any one of the foregoing embodiments, the method shown inFIG.6orFIG.7may further include: receiving at least one of an index of at least one fourth reference signal resource, a target signal quality parameter of the at least one fourth reference signal resource, and a channel of the at least one fourth reference signal resource that are reported by the terminal device.

The at least one fourth reference signal resource is a reference signal resource whose target signal quality parameter satisfies a second preset condition in the at least one first reference signal resource.

In some embodiments of this disclosure, the reference signal resource includes a synchronization signal block SSB or a channel state information reference signal resource CSI-RS. Optionally, the reference signal resource is a channel state information reference signal resource CSI-RS.

Optionally, on the basis of any one of the foregoing embodiments, the method shown inFIG.6orFIG.7may further include: configuring a value of a repetition parameter. The terminal device is configured to: in a case that the value is off, measure the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources.

Some embodiments of this disclosure are intended to describe that: in a case that the value of repetition is off, a method for channel and interference measurement provided in some embodiments of this disclosure is used to measure the channel and the interference that are corresponding to the at least one first reference signal resource. Conversely, in a case that the value of repetition is on, a method for channel and interference measurement provided in some embodiments of this disclosure may be not used for measurement.

The foregoing describes the method for channel and interference measurement applied to the network device. This method corresponds to the foregoing method for channel and interference measurement applied to the terminal device;

therefore, the description is relatively brief. For related details, refer to the description of the foregoing method for channel and interference measurement applied to the terminal device.

The following describes the terminal device and the network device in some embodiments of this disclosure in detail with reference toFIG.8toFIG.12.

FIG.8is a schematic structural diagram of a terminal device according to some embodiments of this disclosure. As shown inFIG.8, the terminal device800includes: a first receiving module801and a measurement module802.

The first receiving module801is configured to receive a first group of reference signal resources.

The measurement module802is configured to measure a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources.

The measurement module802may measure, based on quasi co-location QCL information of the first reference signal resource, the channel and the interference that are corresponding to the first reference signal resource.

The measurement module802may specifically determine, based on the QCL information of the first reference signal resource, a reception parameter used for receiving the first reference signal resource; receive the first reference signal resource based on the reception parameter; and determine, based on a received power of the first reference signal resource, the channel corresponding to the first reference signal resource. In a more detailed example, an L1-RSRP of the first reference signal resource may be determined as the channel corresponding to the first reference signal resource.

The interference corresponding to the first reference signal resource may include at least one of a first interference and a second interference that are described below. The following describes specific processes of measuring the first interference and the second interference by using specific examples.

In the first example, if the interference includes the first interference, the measurement module802may measure, based on the QCL information of the first reference signal resource and at least one second reference signal resource, a first interference corresponding to the first reference signal resource. The first reference signal resource corresponds to a target signal quality parameter, and the second reference signal resource is a reference signal resource other than the first reference signal resource in the first group of reference signal resources.

Specifically, the measurement module802may determine, based on the QCL information, a reception parameter for receiving the at least one second reference signal resource; receive the at least one second reference signal resource based on the reception parameter; and determine, based on a received power of the at least one second reference signal resource, the first interference corresponding to the first reference signal resource.

Optionally, the terminal device800shown inFIG.8may further include: a times quantity determining module, configured to determine, based on the QCL information of the at least one first reference signal resource, a quantity of measurement times corresponding to the at least one first reference signal resource, so as to reduce a measurement time of the terminal device and reduce computing resources of the terminal device. Specifically, when two or more first reference signal resources with the same receive beam are determined based on the QCL information of the at least one first reference signal resource, the quantity of measurement times corresponding to the at least one first reference signal resource can be reduced.

Optionally, the measurement module802may further adjust, based on the QCL information of the at least one first reference signal resource, a measurement order for measuring the at least one first reference signal resource.

In the foregoing first example, the first interference representing an inter-beam interference may be specifically obtained through measurement, and therefore the network device may select an ideal beam for transmitting a signal or channel to the terminal device, thereby increasing a throughput and decreasing a block error rate.

In the second example, as shown inFIG.9, if the channel and the interference that are corresponding to the first reference signal resource include the second interference, the second interference may be a parameter representing a neighboring-cell interference. The terminal device800provided in some embodiments of this disclosure may further include: a second receiving module803, configured to receive a second group of reference signal resources. The second group of reference signal resources is used to measure the second interference corresponding to the first reference signal resource.

The reference signal resources in the second group of reference signal resources may include CSI-IM resources or IMR.

Further, at least one reference signal resource in the second group of reference signal resources partially or completely overlaps at least one reference signal resource in the first group of reference signal resources. It is easy to understand that resource overheads for the network device are reduced on the whole when the at least one reference signal resource in the second group of reference signal resources partially or completely overlaps the at least one reference signal resource in the first group of reference signal resources, in comparison to a case in the related art that a reference signal resource specially used for measuring a second interference is additionally configured for the terminal device to measure the second interference.

Further, at least one third reference signal resource has an association relationship with the first reference signal resource, where the third reference signal resource is a reference signal resource in the second group of reference signal resources, and the third reference signal resource having an association relationship with the first reference signal resource is used to measure the second interference corresponding to the first reference signal resource.

Optionally, the measurement module802may measure, based on the QCL information of the first reference signal resource and at least one third reference signal resource associated with the first reference signal resource, the second interference corresponding to the first reference signal resource.

Specifically, the measurement module802may determine, based on the QCL information, a reception parameter used for receiving the at least one third reference signal resource associated with the first reference signal resource; determine, based on the reception parameter, the at least one third reference signal resource associated with the first reference signal resource; and determine, based on a received power of the at least one third reference signal resource associated with the first reference signal resource, the second interference corresponding to the first reference signal resource.

In the foregoing second example, the terminal device800may obtain, through measurement based on the second group of reference signal resources, the second interference representing the neighboring-cell interference, and therefore the network device may select an ideal beam for transmitting a signal or channel to the terminal device, thereby increasing a throughput and decreasing a block error rate.

In the third example, if the interference includes the first interference and the second interference, the terminal device may measure, based on the QCL information and at least one second reference signal resource, the first interference corresponding to the first reference signal resource. The first reference signal resource corresponds to a target signal quality parameter, and the second reference signal resource is a reference signal resource other than the first reference signal resource in the first group of reference signal resources. The method for channel and interference measurement provided in some embodiments of may further include: receiving a second group of reference signal resources, where the second group of reference signal resources is used to measure the second interference corresponding to the first reference signal resource.

It should be understood that the third example is a combination of the first example and the second example. For related details, refer to the foregoing description. Details are not repeated herein.

Optionally, if the at least one third reference signal resource associated with the first reference signal resource completely overlaps the at least one second reference signal resource, the terminal device may first determine, based on the QCL information, a reception parameter used for receiving the at least one second reference signal resource and the at least one third reference signal resource that is associated with the first reference signal resource. Then, the terminal device receives the at least one second reference signal resource based on the reception parameter, and determines, based on the received power of the at least one second reference signal resource, the first interference and the second interference that are corresponding to the first reference signal resource. Alternatively, the terminal device receives, based on the reception parameter, the at least one third reference signal resource associated with the first reference signal resource, and determines, based on the received power of the at least one third reference signal resource associated with the first reference signal resource, the first interference and the second interference that are corresponding to the first reference signal resource.

In the foregoing third example, not only the first interference representing the inter-beam interference can be obtained through measurement, but also the second interference representing the neighboring-cell interference can be obtained through measurement. Therefore, the network device may select an ideal beam for transmitting a signal or channel to the terminal device, thereby increasing a throughput and decreasing a block error rate.

On the basis of any one of the first example to the third example, after receiving the first group of reference signal resources transmitted by the network device, the terminal device800may measure channels and interferences of all the reference signal resources in the first group of reference signal resources, or may measure channels and interferences of part of the reference signal resources in the first group of reference signal resources, and the terminal device may measure, in different orders, the reference signal resources that need to be measured.

Which reference signal resources to be measured by the terminal device800(that is, which reference signal resources are specifically included in the at least one first reference signal resource) and in what order measurement is performed may be implemented in a specific implementation as follows: according to a preset measurement rule, measuring the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources. The preset measurement rule is used to determine the at least one first reference signal resource that needs to be measured, and a measurement order of the at least one first reference signal resource, and the preset measurement rules corresponding to different measurement periods are the same or different.

Specifically, during a specific measurement period, the terminal device800may determine the preset measurement rule in at least one of the following manners: determining the preset measurement rule based on indication information of the network device; determining the preset measurement rule based on a preset protocol; determining the preset measurement rule based on a reference signal resource meeting a preset condition in the first group of reference signal resources; and so on.

The determining the preset measurement rule based on a reference signal resource meeting a preset condition in the first group of reference signal resources may include: determining the preset measurement rule based on a reference signal resource whose channel and interference meet a first preset condition in a most recent historical measurement result of the first group of reference signal resources.

It is conceivable that there may be many types of preset measurement rules, which are not limited in some embodiments of this disclosure.

Optionally, same as the foregoing first example, in the foregoing second and third examples, the terminal device800may alternatively determine, based on the QCL information of the at least one first reference signal resource, a quantity of measurement times corresponding to the at least one first reference signal resource, so as to reduce a measurement time of the terminal device and reduce computing resources of the terminal device. Specifically, when two or more first reference signal resources with the same receive beam are determined based on the QCL information of the at least one first reference signal resource, the quantity of measurement times corresponding to the at least one first reference signal resource can be reduced.

Optionally, the terminal device800may further adjust, based on the QCL information of the at least one first reference signal resource, a measurement order for measuring the at least one first reference signal resource.

It can be understood that a manner in which the terminal device performs measurement based on different preset measurement rules in different measurement periods is relatively flexible, and the terminal device may perform different measurement behaviors in different measurement periods. In addition, when the terminal device determines, according to the preset measurement rule, that the at least one first reference signal resource that needs to be measured is part of the reference signal resources in the first group of reference signal resources, the computing resources of the terminal device can be reduced. Correspondingly, when the network device also transmits the first group of reference signal resources according to the preset measurement rule, if the first group of reference signal resources is part of one pre-configured group of reference signal resources, resource overheads for the network device can also be reduced.

The terminal device800provided in some embodiments of this disclosure can use the QCL information of the first reference signal resource in the first group of reference signal resources to measure the channel corresponding to the first reference signal resource, and can also use the QCL information of the first reference signal resource to measure the interference corresponding to the first reference signal resource. In this way, a measurement result better reflecting signal quality of a beam corresponding to the first reference signal resource can be obtained, so that the network device selects an ideal beam for transmitting a signal or channel to UE, thereby improving a throughput and decreasing a block error rate.

Optionally, on the basis of any one of the foregoing embodiments, the terminal device provided in some embodiments of this disclosure may further include: a measurement restriction determining module, configured to: based on a channel and an interference that are obtained through measurement by using a target reference signal resource, determine whether to apply a measurement restriction to the target reference signal resource, where the target reference signal resource is any one of the first group of reference signal resources or any one of the second group of reference signal resources.

In other words, whether to apply the measurement restriction to the target reference signal resource is determined based on whether the target reference signal resource is used to measure the channel or the interference.

In a specific implementation, when the target reference signal resource is used to measure the channel, it may be determined to apply the measurement restriction to the target reference signal resource; and when the target reference signal resource is used to measure the interference, it may be determined not to apply the measurement restriction to the target reference signal resource.

In another specific implementation, when the target reference signal resource is used to measure the interference, it may be determined to apply the measurement restriction to the target reference signal resource; and when the target reference signal resource is used to measure the channel, it may be determined not to apply the measurement restriction to the target reference signal resource.

Alternatively, when the target reference signal resource is used to measure the channel and the interference, it may be all determined to apply the measurement restriction to the target reference signal resource.

It should be understood that whether to apply the measurement restriction to the target reference signal resource can be flexibly set, which is not limited in some embodiments of this disclosure.

As shown inFIG.10, on the basis of any one of the foregoing embodiments, the terminal device800provided in some embodiments of this disclosure may further include: a signal quality parameter determining module, configured to determine, based on the channel and the interference that are corresponding to the first reference signal resource, a target signal quality parameter corresponding to the first reference signal resource.

Specifically, the signal quality parameter determining module may determine a ratio of the channel corresponding to the first reference signal resource to the interference corresponding to the first reference signal resource as the target signal quality parameter corresponding to the first reference signal resource. The interference may be at least one of the first interference and the second interference, and the target signal quality parameter is the SINR described above.

The terminal device800provided in the embodiment shown inFIG.10can further determine, based on the channel and the interference, the target signal quality parameter corresponding to the first reference signal resource. Therefore, a measurement result better reflecting signal quality of beams corresponding to a plurality of target signal quality parameters can be obtained, so that the network device selects, based on the measurement result, an ideal beam for transmitting a signal or channel to the terminal device, thereby improving a throughput and decreasing a block error rate.

Optionally, on the basis of the embodiment shown inFIG.10, the terminal device800provided in some embodiments of this disclosure may further include: a selecting module and a reporting module.

The selecting module is configured to select, from the at least one first reference signal resource, at least one fourth reference signal resource whose target signal quality parameter satisfies a second preset condition.

In an example, at least one fourth reference signal resource whose SINR is greater than or equal to a preset threshold may be selected from the at least one first reference signal resource; or the at least one first reference signal resource is sorted in descending order of SINRs, and at least one fourth reference signal resource located in the front of the sorted list is selected.

The reporting module is configured to report at least one of an index of the at least one fourth reference signal resource, a target signal quality parameter of the at least one fourth reference signal resource, and a channel of the at least one fourth reference signal resource.

On the basis of any one of the foregoing embodiments, the terminal device800provided in some embodiments of this disclosure may further include: a value determining module, configured to determine a value of a repetition parameter configured by the network device. In a case that the value is off, the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources are measured.

The terminal devices shown inFIG.8toFIG.10may be used to implement various embodiments of the method for channel and interference measurements shown inFIG.1,FIG.4, andFIG.5. For related details, refer to the foregoing method embodiments.

The following describes a network device1100provided in some embodiments of this disclosure.

As shown inFIG.11, the network device1100may include: a first transmitting module1101, configured to transmit a first group of reference signal resources to a terminal device.

The terminal device is configured to measure a channel and an interference that are corresponding to at least one first reference signal resource in the first group of reference signal resources, and the terminal device measures, based on quasi co-location QCL information of the first reference signal resource, the channel and the interference that are corresponding to the first reference signal resource.

Specifically, the terminal device is configured to: determine, based on the QCL information of the first reference signal resource, a reception parameter used for receiving the first reference signal resource; receive the first reference signal resource based on the reception parameter; and determine, based on a received power of the first reference signal resource, the channel corresponding to the first reference signal resource.

In the first example, the interference includes a first interference. The terminal device is configured to measure, based on the QCL information and at least one second reference signal resource, a first interference corresponding to the first reference signal resource, the first reference signal resource corresponds to a target signal quality parameter, and the second reference signal resource is a reference signal resource other than the first reference signal resource in the first group of reference signal resources.

Specifically, the terminal device is configured to: determine, based on the QCL information, a reception parameter for receiving the at least one second reference signal resource; receive the at least one second reference signal resource based on the reception parameter; and determine, based on a received power of the at least one second reference signal resource, the first interference corresponding to the first reference signal resource.

In the second example, as shown inFIG.12, the interference includes a second interference, and the network device1100further includes: a second transmitting module1102, configured to transmit a second group of reference signal resources to the terminal device. The second group of reference signal resources is used to measure the second interference corresponding to the first reference signal resource.

Optionally, at least one reference signal resource in the second group of reference signal resources partially or completely overlaps at least one reference signal resource in the first group of reference signal resources.

Optionally, at least one third reference signal resource has an association relationship with the first reference signal resource, where the third reference signal resource is a reference signal resource in the second group of reference signal resources, and the third reference signal resource having an association relationship with the first reference signal resource is used to measure the second interference corresponding to the first reference signal resource.

On this basis, the terminal device is configured to measure, based on the QCL information and the at least one third reference signal resource associated with the first reference signal resource, the second interference corresponding to the first reference signal resource.

Specifically, the terminal device is configured to: determine, based on the QCL information, a reception parameter used for receiving the at least one third reference signal resource associated with the first reference signal resource; determine, based on the reception parameter, the at least one third reference signal resource associated with the first reference signal resource; and determine, based on a received power of the at least one third reference signal resource associated with the first reference signal resource, the second interference corresponding to the first reference signal resource.

In the third example, the interference includes the first interference and the second interference. For measurement of the first interference, refer to the foregoing first example; for the measurement of the second interference, refer to the foregoing second example.

On the basis of any one of the first example to the third example, the terminal device is configured to: measure, according to a preset measurement rule, the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources. The preset measurement rule is used to determine the at least one first reference signal resource and a measurement order of the at least one first reference signal resource, and the preset measurement rules corresponding to different measurement periods are the same or different.

The terminal device is configured to determine the preset measurement rule in at least one of the following manners: determining the preset measurement rule based on indication information of the network device; determining the preset measurement rule based on a preset protocol; and determining the preset measurement rule based on a reference signal resource meeting a preset condition in the first group of reference signal resources.

Optionally, the determining the preset measurement rule based on a reference signal resource meeting a preset condition in the first group of reference signal resources includes: determining the preset measurement rule based on a reference signal resource whose channel and interference meet a first preset condition in a most recent historical measurement result of the first group of reference signal resources.

Optionally, if the terminal device determines the preset measurement rule based on the indication information of the network device, the network device1100shown inFIG.11orFIG.12may further include: a third transmitting module, configured to transmit, to the terminal device, indication information used for determining the preset measurement rule.

According to the network device1100provided in some embodiments of this disclosure, the QCL information of the first reference signal resource in the first group of reference signal resources can be used to measure the channel corresponding to the first reference signal resource, and the QCL information of the first reference signal resource can also be used to measure the interference corresponding to the first reference signal resource. In this way, a measurement result better reflecting signal quality of a beam corresponding to the first reference signal resource can be obtained, so that the network device selects an ideal beam for transmitting a signal or channel to UE, thereby improving a throughput and decreasing a block error rate.

Optionally, on the basis of any one of the foregoing embodiments, the terminal device is further configured to: based on a channel and an interference that are obtained through measurement by using a target reference signal resource, determine whether to apply a measurement restriction to the target reference signal resource, where the target reference signal resource is any one of the first group of reference signal resources or any one of the second group of reference signal resources.

In other words, whether to apply the measurement restriction to the target reference signal resource is determined based on whether the target reference signal resource is used to measure the channel or the interference.

In a specific implementation, when the target reference signal resource is used to measure the channel, it may be determined to apply the measurement restriction to the target reference signal resource; and when the target reference signal resource is used to measure the interference, it may be determined not to apply the measurement restriction to the target reference signal resource.

In another specific implementation, when the target reference signal resource is used to measure the interference, it may be determined to apply the measurement restriction to the target reference signal resource; and when the target reference signal resource is used to measure the channel, it may be determined not to apply the measurement restriction to the target reference signal resource.

Alternatively, when the target reference signal resource is used to measure the channel and the interference, it may be all determined to apply the measurement restriction to the target reference signal resource.

It should be understood that whether to apply the measurement restriction to the target reference signal resource can be flexibly set, which is not limited in some embodiments of this disclosure.

Optionally, on the basis of any one of the foregoing embodiments, the terminal device is further configured to: determine, based on the channel and the interference that are corresponding to the first reference signal resource, a target signal quality parameter corresponding to the first reference signal resource.

Specifically, the terminal device is configured to determine a ratio of the channel corresponding to the first reference signal resource to the interference corresponding to the first reference signal resource as the target signal quality parameter corresponding to the first reference signal resource. The interference may be at least one of the first interference and the second interference, and the target signal quality parameter is the SINR described above.

According to some embodiments of this disclosure, the target signal quality parameter corresponding to the first reference signal resource can be further determined based on the channel and the interference. Therefore, a measurement result better reflecting signal quality of beams corresponding to a plurality of target signal quality parameters can be obtained, so that the network device selects, based on the measurement result, an ideal beam for transmitting a signal or channel to the terminal device, thereby improving a throughput and decreasing a block error rate.

Optionally, on the basis of any one of the foregoing embodiments, the network device1100shown inFIG.11orFIG.12may further include: a receiving module, configured to receive at least one of an index of at least one fourth reference signal resource, a target signal quality parameter of the at least one fourth reference signal resource, and a channel of the at least one fourth reference signal resource that are reported by the terminal device.

The at least one fourth reference signal resource is a reference signal resource whose target signal quality parameter satisfies a second preset condition in the at least one first reference signal resource.

In some embodiments of this disclosure, the reference signal resource includes a synchronization signal block SSB or a channel state information reference signal resource CSI-RS. Optionally, the reference signal resource is a channel state information reference signal resource CSI-RS.

Optionally, on the basis of any one of the foregoing embodiments, the network device1100shown inFIG.11orFIG.12may further include: a configuration module, configured to configure a value of a repetition parameter for the network device. The terminal device is configured to: in a case that the value is off, measure the channel and the interference that are corresponding to the at least one first reference signal resource in the first group of reference signal resources.

Some embodiments of this disclosure are intended to describe that: in a case that the value of repetition is off, a method for channel and interference measurement provided in some embodiments of this disclosure is used to measure the channel and the interference that are corresponding to the at least one first reference signal resource. Conversely, in a case that the value of repetition is on, a method for channel and interference measurement provided in some embodiments of this disclosure may be not used for measurement.

The network devices shown inFIG.11andFIG.12may be used to implement various embodiments of the method for channel and interference measurements shown inFIG.6andFIG.7. For related details, refer to the foregoing method embodiments.

FIG.13is a schematic structural diagram of a terminal device according to another embodiment of this disclosure. The terminal device1300shown inFIG.13includes at least one processor1301, a memory1302, at least one network interface1304, and a user interface1303. The components of the terminal device1300are coupled together by using a bus system1305. It may be understood that the bus system1305is configured to implement connection communication between these components.

The bus system1305may include not only a data bus but also a power supply bus, a control bus, and a status signal bus. However, for clear description, various buses inFIG.13are marked as the bus system1305.

The user interface1303may include a display, a keyboard, a click device (for example, a mouse or a trackball), a touch board, or a touchscreen.

It can be understood that the memory1302in some embodiments of this disclosure may be a volatile memory or a non-volatile memory, or may include both a volatile memory and a non-volatile memory. The non-volatile memory may be a read-only memory (ROM), a programmable read only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), and an electrically erasable programmable read-only memory (Electrically EPROM, EEPROM), or flash memory. The volatile memory may be a random access memory (RAM), which is used as an external cache. As illustrative rather than restrictive description, many forms of RAM can be used, such as a static random access memory (Static RAM, SRAM), a dynamic random access memory (Dynamic RAM, DRAM), a synchronous dynamic random access memory (Synchronous DRAM, SDRAM), a double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), an enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), a synchronous link dynamic random access memory (Synch Link DRAM, SLDRAM), and a direct Rambus random access memory (Direct Rambus RAM, DRRAM). The memory1302in the system and method described in some embodiments of this disclosure is intended to include but is not limited to these and any other appropriate types of memories.

In some implementations, the memory1302stores the following elements: an executable module or a data structure, or a subset thereof, or an extended set thereof: an operating system13021and an application program13022.

The operating system13021includes various system programs, such as a framework layer, a kernel library layer, and a driver layer, and is configured to implement various basic services and process hardware-based tasks. The application program13022includes various application programs, such as a media player, and a browser, and is configured to implement various application services. A program that implements the methods of some embodiments of this disclosure may be included in the application program13022.

In some embodiments of this disclosure, the terminal device1300further includes: a computer program stored in the memory1302and capable of running on the processor1301. When the computer program is executed by the processor1301, the processes of the foregoing method for channel and interference measurement are implemented, with the same technical effects achieved. To avoid repetition, details are not described herein again.

The foregoing methods disclosed by some embodiments of this disclosure may be applied to the processor1301, or be implemented by the processor1301. The processor1301may be an integrated circuit chip with a signal processing capability. In an implementation process, steps in the foregoing method may be implemented by using a hardware integrated logic circuit in the processor1301, or by using instructions in a form of software. The processor1301may be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or another programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The processor may implement or perform the methods, steps, and logical block diagrams that are disclosed in some embodiments of this disclosure. The general-purpose processor may be a microprocessor, or the processor may also be any conventional processor or the like. Steps of the methods disclosed with reference to some embodiments of this disclosure may be directly performed and completed by using a hardware decoding processor, or may be performed and completed by using a combination of hardware and a software module in a decoding processor. The software module may be located in a computer readable storage medium that is mature in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, or a register. The computer readable storage medium is located in the memory1302, and the processor1301reads information in the memory1302and implements, in combination with its hardware, the steps of the foregoing methods. Specifically, a computer program is stored in the computer-readable medium, and when the computer program is executed by the processor1301, the steps of the foregoing method for channel and interference measurement embodiments are implemented.

Referring toFIG.14,FIG.14is a structural diagram of a network device applied to some embodiments of this disclosure. The network device is capable of implementing details of the foregoing method for channel and interference measurement, with the same effects achieved. As shown inFIG.14, the network device1400includes a processor1401, a transceiver1402, a memory1403, a user interface1404, and a bus interface.

In some embodiments of this disclosure, the network device1400further includes: a computer program stored in the memory1403and capable of running on the processor1401. When the computer program is executed by the processor1401, the processes of the foregoing method for channel and interference measurement are implemented, with the same technical effects achieved. To avoid repetition, details are not described herein again.

InFIG.14, a bus architecture may include any quantity of interconnected buses and bridges, and specifically connects together circuits that are of at least one processor represented by the processor1401and of a memory represented by the memory1403. The bus architecture may further interconnect various other circuits such as a peripheral device, a voltage regulator, and a power management circuit. These are all well known in the art, and therefore are not further described in this specification. The bus interface provides an interface. The transceiver1402may be a plurality of components, that is, the transceiver1402includes a transmitter and a receiver, and provides a unit for communicating with various other apparatuses on a transmission medium. For different terminal devices, the user interface1404may also be an interface that can be externally or internally connected to a required device. The connected device includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

The processor1401is responsible for management of the bus architecture and general processing, and the memory1403is capable of storing data that is used by the processor1401during operation.

It can be understood that the embodiments described some embodiments in this disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processor may be implemented in at least one application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing device (DSP Device, DSPD), programmable logic device (PLD), field-programmable gate array (FPGA), general-purpose processor, controller, microcontroller, or microprocessor; or other electronic units for performing the functions described in this disclosure or a combination thereof.

For software implementation, the techniques described in some embodiments of this disclosure may be implemented by modules (such as processes and functions) that perform the functions described in some embodiments of this disclosure. Software code may be stored in the memory and executed by the processor. The memory may be implemented in or outside the processor.

Some embodiments of this disclosure further provide a computer-readable medium, where a computer program is stored in the computer readable storage medium. When the computer program is executed by a processor, the processes of the foregoing embodiment of the method for channel and interference measurement can be implemented, with the same technical effects achieved. To avoid repetition, details are not described herein again. The computer-readable medium is, for example, a read-only memory (ROM for short), a random access memory (RAM for short), a magnetic disk, or an optical disc.

Some embodiments of this disclosure further provide a computer program product including instructions. When the computer runs the instructions of the computer program product, the computer executes the foregoing method for channel and interference measurement. Specifically, the computer program product can be run on the foregoing network device.