Patent Description:
The development of wireless technologies for direct vehicle-to-vehicle (V2V) or vehicle-to-everything (V2X) communication as part of intelligent transportation system (ITS) is gradually evolving from broadcasting basic safety transmissions like periodic vehicle status and warning messages to supporting more advanced use cases and services like extended sensor data sharing, autonomous driving, and vehicle platooning.

Under long term evolution-V2X (LTE-V2X) communication technologies are developed by 3rd generation partnership project (3GPP) in release <NUM> and release15. In release-<NUM>, V2X communication technologies are further developed in new radio (NR) architectures, i.e., NR-V2X.

There is a need to propose an apparatus and a method for scheduling resource allocation of the same capable of performing UE-UE scheduling in vehicle-to-everything (V2X) communication and improving reliability. Related art can be found in <NPL>, <NPL>, and Chinese Patent Application No. <CIT>. Also, related art <NPL> teaches a resource allocation method in which the resource is allocated by the network side.

An object of the present disclosure is to propose an apparatus and a method for discontinuous reception of the same capable of performing UE-UE scheduling in vehicle-to-everything (V2X) communication and improving reliability.

In order to more clearly illustrate the embodiments of the present disclosure or related art, the following figures will be described in the embodiments are briefly introduced. It is obvious that the drawings are merely some embodiments of the present disclosure, a person having ordinary skill in this field can obtain other figures according to these figures without paying the premise.

In some embodiments, in release <NUM>, some new features are being discussed, e.g., for new radio vehicle-to-everything (NR-V2X), e.g., to allow one user equipment (UE) to schedule a resource allocation of another UE. The problem is how to handle a relationship between the two UEs and network nodes, considering that each UE may rely on its serving network node to get sidelink (SL) grant, i.e., there are two scheduling UEs and two serving network nodes. Some embodiments are to solve how to implement UE-UE scheduling considering an independent status of the two scheduling UEs including a sync status, a resource allocation mode, a coverage status, a buffer status, a transmit (Tx) Pool status, and /or a receive (Rx) pool status.

<FIG> illustrates that, in some embodiments, a first user equipment (UE) <NUM>, a second user equipment <NUM>, a first network node <NUM>, and a second network node <NUM> for scheduling resource allocation according to an embodiment of the present disclosure are provided. The first UE <NUM> may include a processor <NUM>, a memory <NUM>, and a transceiver <NUM>. The second UE <NUM> may include a processor <NUM>, a memory <NUM>, and a transceiver <NUM>. The first network node <NUM> may include a processor <NUM>, a memory <NUM>, and a transceiver <NUM>. The second network node <NUM> may include a processor <NUM>, a memory <NUM>, and a transceiver <NUM>. The processor <NUM>, <NUM>, <NUM>, or <NUM> may be configured to implement proposed functions, procedures and/or methods described in this description. Layers of radio interface protocol may be implemented in the processor <NUM>, <NUM>, <NUM>, or <NUM>. The memory <NUM>, <NUM>, <NUM>, or <NUM> is operatively coupled with the processor <NUM>, <NUM>, <NUM>, or <NUM> and stores a variety of information to operate the processor <NUM>, <NUM>, <NUM>, or <NUM>. The transceiver <NUM>, <NUM>, <NUM>, or <NUM> is operatively coupled with the processor <NUM>, <NUM>, <NUM>, or <NUM>, and the transceiver <NUM>, <NUM>, <NUM>, or <NUM> transmits and/or receives a radio signal.

The processor <NUM>, <NUM>, <NUM>, or <NUM> may include an application-specific integrated circuit (ASIC), other chipsets, logic circuit and/or data processing devices. The memory <NUM>, <NUM>, <NUM>, or <NUM> may include a read-only memory (ROM), a random access memory (RAM), a flash memory, a memory card, a storage medium and/or other storage devices. The transceiver <NUM>, <NUM>, <NUM>, or <NUM> may include baseband circuitry to process radio frequency signals. The modules can be stored in the memory <NUM>, <NUM>, <NUM>, or <NUM> and executed by the processor <NUM>, <NUM>, <NUM>, or <NUM>. The memory <NUM>, <NUM>, <NUM>, or <NUM> can be implemented within the processor <NUM>, <NUM>, <NUM>, or <NUM> or external to the processor <NUM>, <NUM>, <NUM>, or <NUM>, in which those can be communicatively coupled to the processor <NUM>, <NUM>, <NUM>, or <NUM> via various means are known in the art.

The communication between UEs relates to vehicle-to-everything (V2X) communication including vehicle-to-vehicle (V2V), vehicle-to-pedestrian (V2P), and vehicle-to-infrastructure/network (V2I/N) according to a sidelink technology developed under 3rd generation partnership project (3GPP) release <NUM>, <NUM>, <NUM>, and beyond. UEs communicate with each other directly via a sidelink interface such as a PC5 interface.

<FIG> illustrates that, in some embodiments, the processor <NUM> is configured to decide on a resource allocation for the second user equipment <NUM> according to resource related information associated with the second user equipment <NUM> and/or status information associated with the second user equipment <NUM>.

In some embodiments, the transceiver <NUM> is configured to transmit, to the second user equipment <NUM>, a first indication, and the first indication is to indicate the resource related information to be used by the second user equipment <NUM> for sidelink communication. In some embodiments, before the transceiver <NUM> transmits, to the second user equipment <NUM>, the first indication, the transceiver <NUM> further receives a sixth indication from the first network node <NUM>, and the sixth indication is used for the processor <NUM> to derive the resource related information. In some embodiments, before the transceiver <NUM> transmits, to the second user equipment <NUM>, the first indication, the transceiver <NUM> further receives the sixth indication from the first network node <NUM>, and the sixth indication is to indicate the resource related information to be used by the second user equipment <NUM> for the sidelink communication.

In some embodiments, the transceiver <NUM> is configured to receive the sixth indication from the first network node <NUM>, and the sixth indication is to indicate the resource related information to be used by the second user equipment <NUM> for sidelink communication. In some embodiments, after the transceiver <NUM> receives the sixth indication from the first network node <NUM>, the transceiver <NUM> further transmits, to the second user equipment <NUM>, a first indication, and the first indication is to indicate the resource related information to be used by the second user equipment <NUM> for the sidelink communication. In some embodiments, the resource related information includes at least one of bandwidth part related information, carrier information, transmit (TX) and/or receive (RX) pool information, radio access technology (RAT) information, timing domain information of sidelink resources, and frequency domain information of the sidelink resources.

In some embodiments, the transceiver <NUM> is configured to receive a third indication from the second user equipment <NUM>, and the third indication is to indicate the status information of the second user equipment <NUM>. In some embodiments, after the transceiver <NUM> receives the third indication from the second user equipment <NUM>, the transceiver <NUM> further transmits, to the first network node <NUM>, a fifth indication, and the fifth indication is to indicate the status information of the second user equipment <NUM>.

In some embodiments, the transceiver <NUM> is configured to transmit, to the first network node <NUM>, a fifth indication, and the fifth indication is to indicate the status information of the second user equipment <NUM>. In some embodiments, before the transceiver <NUM> transmits, to the first network node <NUM>, the fifth indication, the transceiver <NUM> further receives, a third indication form the second user equipment <NUM>, and the third indication is to indicate the status information of the second user equipment <NUM>. In some embodiments, the status information includes at least one of synchronization related information, coverage related information, buffer related information, Tx pool related information, Rx pool related information, and resource allocation mode related information.

In some embodiments, the transceiver <NUM> is configured to receive a first indication from the first user equipment <NUM>, and the first indication is to indicate the resource related information to be used by the second user equipment <NUM> for sidelink communication. In some embodiments, after the transceiver <NUM> receives the first indication from the first user equipment <NUM>, the transceiver <NUM> further transmits, to the second network node <NUM>, a seventh indication, and the seventh indication is to indicate the resource related information to be used by the second user equipment <NUM> for the sidelink communication. In details, the first indication is used for the processor <NUM> to derive the seventh indication.

In some embodiments, after the transceiver <NUM> transmits, to the second network node <NUM>, the seventh indication, the transceiver <NUM> further receives a sidelink grant from the second network node <NUM> according to the resource related information indicated by the seventh indication. In some embodiments, after the transceiver <NUM> receives the first indication, the processor <NUM> further selects resource for sidelink communication between the first user equipment <NUM> and the second user equipment <NUM>. In some embodiments, the selection is according to the resource related information based on a synchronization reference of the second user equipment <NUM>. In some embodiments, the selection is according to the resource related information based on a transmission resource pool of the second user equipment <NUM>. In some embodiments, the resource related information includes at least one of bandwidth part related information, carrier information, transmit (TX) and/or receive (RX) pool information, radio access technology (RAT) information, timing domain information of sidelink resources, and frequency domain information of the sidelink resources.

In some embodiments, the transceiver <NUM> is configured to transmit, to the first user equipment <NUM>, a third indication, and the third indication is to indicate the status information of the second user equipment <NUM>. In some embodiments, before the transceiver <NUM> transmits, to the first user equipment <NUM>, the third indication, the transceiver <NUM> further receives a fourth indication from the second network node <NUM>, and the fourth indication is to indicate the status information of the second user equipment <NUM>.

In some embodiments, the transceiver <NUM> is configured to receive a fourth indication from the second network node <NUM>, and the fourth indication is to indicate the status information of the second user equipment <NUM>. In some embodiments, after the transceiver <NUM> receives the fourth indication from the second network node <NUM>, the transceiver <NUM> further transmits, to the first user equipment <NUM>, the third indication, and the third indication is to indicate the status information of the second user equipment <NUM>. In some embodiments, the status information includes synchronization related information, coverage related information, buffer related information, Tx pool related information, Rx pool related information, and/or resource allocation mode related information.

In some embodiments, the transceiver <NUM> is configured to transmit, to the first user equipment <NUM>, a sixth indication, and the sixth indication is used for the second user equipment <NUM> to derive the resource related information. In some embodiments, the transceiver <NUM> is configured to transmit, to the first user equipment <NUM>, the sixth indication, and the sixth indication is to indicate the resource related information to be used by the second user equipment <NUM> for sidelink communication between the first user equipment <NUM> and the second user equipment <NUM>. In some embodiments, the resource related information includes at least one of bandwidth part related information, carrier information, transmit (TX) and/or receive (RX) pool information, radio access technology (RAT) information, timing domain information of sidelink resources, and frequency domain information of the sidelink resources.

In some embodiments, the transceiver <NUM> is configured to receive a fifth indication from the first user equipment <NUM>, and the fifth indication is to indicate the status information of the second user equipment <NUM>. In some embodiments, the status information includes synchronization related information, coverage related information, buffer related information, Tx pool related information, Rx pool related information, and/or resource allocation mode related information.

In some embodiments, the transceiver <NUM> is configured to receive a seventh indication from the second user equipment <NUM>, and the seventh indication is to indicate the resource related information to be used by the second user equipment <NUM> for the sidelink communication. In some embodiments, after the transceiver <NUM> receives the seventh indication from the second user equipment <NUM>, the processor <NUM> further assigns, to the second user equipment <NUM>, a sidelink grant according to the resource related information indicated by the seventh indication. In some embodiments, the resource related information includes at least one of bandwidth part related information, carrier information, transmit (TX) and/or receive (RX) pool information, radio access technology (RAT) information, timing domain information of sidelink resources, and frequency domain information of the sidelink resources.

In some embodiments, the transceiver <NUM> is configured to transmit, to the second user equipment <NUM>, a fourth indication, and the fourth indication is to indicate the status information of the second user equipment <NUM>. In some embodiments, the status information includes synchronization related information, coverage related information, buffer related information, Tx pool related information, Rx pool related information, and/or resource allocation mode related information.

<FIG> illustrates a method <NUM> for scheduling resource allocation of a first user equipment according to an embodiment of the present disclosure. In some embodiments, the method <NUM> includes: a block <NUM>, deciding on a resource allocation for a second user equipment according to resource related information associated with the second user equipment and/or status information associated with the second user equipment.

In some embodiments, the method further includes transmitting, to the second user equipment, a first indication, and the first indication is to indicate the resource related information to be used by the second user equipment for sidelink communication. In some embodiments, before transmitting, to the second user equipment, the first indication, the method further includes receiving a sixth indication from a first network node, and the sixth indication is used for the first user equipment to derive the resource related information. In some embodiments, before transmitting, to the second user equipment, the first indication, the method further includes receiving a sixth indication from a first network node, and the sixth indication is to indicate the resource related information to be used by the second user equipment for the sidelink communication.

In some embodiments, the method further includes receiving a sixth indication from a first network node, and the sixth indication is to indicate the resource related information to be used by the second user equipment for sidelink communication. In some embodiments, after receiving the sixth indication from the first network node, the method further includes transmitting, to the second user equipment, a first indication, and the first indication is to indicate the resource related information to be used by the second user equipment for the sidelink communication. In some embodiments, the resource related information includes at least one of bandwidth part related information, carrier information, transmit (TX) and/or receive (RX) pool information, radio access technology (RAT) information, timing domain information of sidelink resources, and frequency domain information of the sidelink resources.

In some embodiments, the method further includes receiving a third indication from the second user equipment, and the third indication is to indicate the status information of the second user equipment. In some embodiments, after receiving the third indication from the second user equipment, the method further includes transmitting, to a first network node, a fifth indication, and the fifth indication is to indicate the status information of the second user equipment.

In some embodiments, the method further includes transmitting, to a first network node, a fifth indication, and the fifth indication is to indicate the status information of the second user equipment. In some embodiments, before transmitting, to the first network node, the fifth indication, the method further includes receiving, a third indication form the second user equipment, and the third indication is to indicate the status information of the second user equipment. In some embodiments, the status information includes synchronization related information, coverage related information, buffer related information, Tx pool related information, Rx pool related information, and/or resource allocation mode related information.

<FIG> illustrates a method <NUM> for scheduling resource allocation of a second user equipment according to an embodiment of the present disclosure. In some embodiments, the method <NUM> includes: a block <NUM>, deciding on a resource allocation for the second user equipment according to resource related information associated with the second user equipment and/or status information associated with the second user equipment.

In some embodiments, the method further includes receiving a first indication from a first user equipment, and the first indication is to indicate the resource related information to be used by the second user equipment for sidelink communication. In some embodiments, after receiving the first indication from the first user equipment, the method further includes transmitting, to a second network node, a seventh indication, and the seventh indication is to indicate the resource related information to be used by the second user equipment for the sidelink communication. In details, the first indication is used for the second user equipment to derive the seventh indication.

In some embodiments, after transmitting, to the second network node, the seventh indication, the method further includes receiving a sidelink grant from the second network node according to the resource related information indicated by the seventh indication. In some embodiments, after receiving the first indication, the method further includes selecting resource for sidelink communication between the first user equipment and the second user equipment. In some embodiments, the selection is according to the resource related information based on a synchronization reference of the second user equipment. In some embodiments, the selection is according to the resource related information based on a transmission resource pool of the second user equipment. In some embodiments, the resource related information includes at least one of bandwidth part related information, carrier information, transmit (TX) and/or receive (RX) pool information, radio access technology (RAT) information, timing domain information of sidelink resources, and frequency domain information of the sidelink resources.

In some embodiments, the method further includes transmitting, to a first user equipment, a third indication, and the third indication is to indicate the status information of the second user equipment. In some embodiments, before transmitting, to the first user equipment, the third indication, the method further includes receiving a fourth indication from a second network node, and the fourth indication is to indicate the status information of the second user equipment.

In some embodiments, the method further includes receiving a fourth indication from a second network node, and the fourth indication is to indicate the status information of the second user equipment. In some embodiments, after receiving the fourth indication from the second network node, the method further includes transmitting, to a first user equipment, the third indication, and the third indication is to indicate the status information of the second user equipment. In some embodiments, the status information includes synchronization related information, coverage related information, buffer related information, Tx pool related information, Rx pool related information, and/or resource allocation mode related information.

<FIG> illustrates a method <NUM> for scheduling resource allocation of a first network node according to an embodiment of the present disclosure. In some embodiments, the method <NUM> includes: a block <NUM>, deciding on a resource allocation for a second user equipment according to resource related information associated with the second user equipment and/or status information associated with the second user equipment.

In some embodiments, the method further includes transmitting, to a first user equipment, a sixth indication, and the sixth indication is used for the second user equipment to derive the resource related information. In some embodiments, the method further includes transmitting, to a first user equipment, a sixth indication, and the sixth indication is to indicate the resource related information to be used by the second user equipment for sidelink communication between the first user equipment and the second user equipment. In some embodiments, the resource related information includes at least one of bandwidth part related information, carrier information, transmit (TX) and/or receive (RX) pool information, radio access technology (RAT) information, timing domain information of sidelink resources, and frequency domain information of the sidelink resources.

In some embodiments, the method further includes receiving a fifth indication from a first user equipment, and the fifth indication is to indicate the status information of the second user equipment. In some embodiments, the status information includes synchronization related information, coverage related information, buffer related information, Tx pool related information, Rx pool related information, and/or resource allocation mode related information.

<FIG> illustrates a method <NUM> for scheduling resource allocation of a second network node according to an embodiment of the present disclosure. In some embodiments, the method <NUM> includes: a block <NUM>, deciding on a resource allocation for a second user equipment according to resource related information associated with the second user equipment and/or status information associated with the second user equipment.

In some embodiments, the method further includes receiving a seventh indication from the second user equipment, and the seventh indication is to indicate the resource related information to be used by the second user equipment for the sidelink communication. In some embodiments, after receiving the seventh indication from the second user equipment, the method further includes assigning, to the second user equipment, a sidelink grant according to the resource related information indicated by the seventh indication. In some embodiments, the resource related information includes at least one of bandwidth part related information, carrier information, transmit (TX) and/or receive (RX) pool information, radio access technology (RAT) information, timing domain information of sidelink resources, and frequency domain information of the sidelink resources.

In some embodiments, the method further includes transmitting, to the second user equipment, a fourth indication, and the fourth indication is to indicate the status information of the second user equipment. In some embodiments, the status information includes synchronization related information, coverage related information, buffer related information, Tx pool related information, Rx pool related information, and/or resource allocation mode related information.

<FIG> illustrates an exemplary illustration of the first user equipment <NUM>, the second user equipment <NUM>, the first network node <NUM>, and the second network node <NUM> for scheduling resource allocation according to an embodiment of the present disclosure.

In some embodiments, both the first user equipment <NUM> and the second user equipment <NUM> are in coverage and in a radio resource control (RRC) connected state. The embodiment includes operations <NUM> to <NUM>.

At the operation <NUM>, the second user equipment <NUM> receives a fourth indication from the second network node <NUM>, where the fourth indication is to indicate the second user equipment <NUM> with status information, and the status information includes at least one of the followings. Synchronization related information, e.g., synchronization priority setting, synchronization configuration, and etc. <NUM>. Coverage related information, e.g., public land mobile network (PLMN), RAT, frequency carrier, and etc. <NUM>. Tx pool related information and/or Rx pool related information, e.g., TX and/or RX pool configuration for sidelink communication. Resource allocation mode related information, e.g., model and/or mode <NUM> of the second user equipment <NUM>.

In details, mode <NUM> is a scheduled resource allocation. In this case, a user equipment (UE) needs to be RRC connected in order to transmit data. The UE requests transmission resources from a network node such as a base station. The network node schedules transmission resources for transmission of sidelink control and data. Mode <NUM> is an autonomous resource selection. In this case, the UE on its own selects resources from resource pools to transmit sidelink control and data.

At the operation <NUM>, the second user equipment <NUM> transmits a third indication to the first user equipment <NUM>, where the third indication includes status information of the second user equipment <NUM>. The status information includes at least one of the followings. Synchronization related information, e.g., synchronization priority setting, synchronization configuration, and etc. <NUM>. Coverage related information, e.g., PLMN, RAT, frequency carrier whether the second user equipment <NUM> is in coverage or not, and etc. <NUM>. Buffer status information, e.g., whether this is buffered data in the second user equipment <NUM>, and which service, provider service identifier (PSID), destination, and/or logical channel the buffered data belongs to. Tx pool related information and/or Rx pool related information, e.g., TX and/or RX pool configuration for sidelink communication. Resource allocation mode related information, e.g., model and/or mode <NUM> of the second user equipment <NUM>.

At the operation <NUM>, the first user equipment <NUM> transmits a fifth indication to the first network node <NUM>, where the fifth indication includes status information of the second user equipment <NUM>. The status information includes at least one of the followings. Synchronization related information, e.g., synchronization priority setting, synchronization configuration, and etc. <NUM>. Coverage related information, e.g., PLMN, RAT, frequency carrier whether the second user equipment <NUM> is in coverage or not, and etc. <NUM>. Buffer status information, e.g., whether this is buffered data in the second user equipment <NUM>, and which service, provider service identifier (PSID), destination, and/or logical channel the buffered data belongs to. Tx pool related information and/or Rx pool related information, e.g., TX and/or RX pool configuration for sidelink communication. Resource allocation mode related information, e.g., model and/or mode <NUM> of the second user equipment <NUM>.

At the operation <NUM>, the first network node <NUM> decides on a resource allocation for the second user equipment <NUM> and transmits a sixth indication to the first user equipment <NUM>, where the sixth indication is to indicate sidelink resource related information for the second user equipment <NUM>. The sidelink resource related information includes at least one of the followings. BWP, i.e., bandwidth part related information. Carrier information. TX and/or RX pool information. RAT information, i.e., LTE PC5 and/or NR PC5. Timing domain information of sidelink resources, i.e., in time domain, which resources are allocated. Frequency domain information of sidelink resources, i.e., in frequency domain, which resources are allocated.

At the operation <NUM>, the first user equipment <NUM> based on the sixth indication at the operation <NUM>, decide ons the resource allocation for the second user equipment <NUM>, and transmits a first indication to the second user equipment <NUM>, where the first indication is to indicate sidelink resource related information for the second user equipment <NUM>. The sidelink resource related information includes at least one of the followings. BWP, i.e., bandwidth part related information. Carrier information. TX and/or RX pool information. RAT information, i.e., LTE PC5 and/or NR PC5. Timing domain information of sidelink resources, i.e., in time domain, which resources are allocated. Frequency domain information of sidelink resources, i.e., in frequency domain, which resources are allocated.

At the operation <NUM>, the first user equipment <NUM> can simply use the sixth indication to generate the first indication, or it can further decide on the first indication by a media access control (MAC) entity of its own within the resource indicated in the sixth indication, i.e., considering the status information of other UEs which communicates with the first user equipment <NUM> and/or the second user equipment <NUM>, and can also take into account of characteristic of sidelink resource, e.g., channel busy ratio (CBR) measurement and/or sensing measurement result.

At the operation <NUM>, the second user equipment <NUM> reports the resource indicated in the first indication to the second network node <NUM> as follows. The second user equipment <NUM> based on the first indication in the operation <NUM>, transmits a seventh indication to the second network node <NUM>, where the seventh indication is to indicate sidelink resource related information for the second user equipment <NUM>. The sidelink resource related information includes at least one of the followings. BWP, i.e., bandwidth part related information. Carrier information. TX and/or RX pool information. RAT information, i.e., LTE PC5 and/or NR PC5. Timing domain information of sidelink resources, i.e., in time domain, which resources are allocated. Frequency domain information of sidelink resources, i.e., in frequency domain, which resources are allocated.

At the operation <NUM>, the second network node <NUM> further decides on the resource allocation for the second user equipment <NUM> and indicates a resource grant to the second user equipment <NUM>.

In some embodiments, both the first user equipment <NUM> and the second user equipment <NUM> are in coverage and in a radio resource control (RRC) connected state. In this embodiment, in operations <NUM> to <NUM>, operations <NUM> to <NUM> can be removed, such that there is no status report from the second user equipment <NUM> to the first user equipment <NUM> or the first network node <NUM>.

In some embodiments, both the first user equipment <NUM> and the second user equipment <NUM> are in coverage and in a radio resource control (RRC) connected state. In this embodiment, in operations <NUM> to <NUM>, operations <NUM> and <NUM> can be removed, such that there is no further resource allocation by the second network node <NUM>. The second user equipment <NUM> can simply use the resource indicated in the first indication or can further decide on the first indication by the MAC entity of its own within the resource indicated in the first indication, i.e., considering status information of other UEs which communicates with the first user equipment <NUM> and/or the second user equipment <NUM>, and can also take into account of characteristic of sidelink resource, e.g., CBR measurement and/or sensing measurement result.

In some embodiments, the first user equipment <NUM> is in coverage and in RRC connected state, the second user equipment <NUM> is out of coverage or in RRC idle state. In this embodiment, in operations <NUM> to <NUM>, the operation <NUM> is optional, operations <NUM> and <NUM> are removed.

In some embodiments, the second user equipment <NUM> is in coverage and in RRC connected state, the first user equipment <NUM> is out of coverage or in RRC idle state. In this embodiment, in operations <NUM> to <NUM>, the operations <NUM> and <NUM> are removed.

In some embodiments, both the first user equipment <NUM> and the second user equipment <NUM> are out of coverage or in RRC idle state. In this embodiment, in operations <NUM> to <NUM>, the operation <NUM> is optional, and the operations <NUM>, <NUM>, <NUM>, and <NUM> are removed.

<FIG> is a block diagram of an example system <NUM> for wireless communication according to an embodiment of the present disclosure. Embodiments described herein may be implemented into the system using any suitably configured hardware and/or software. <FIG> illustrates the system <NUM> including a radio frequency (RF) circuitry <NUM>, a baseband circuitry <NUM>, an application circuitry <NUM>, a memory/storage <NUM>, a display <NUM>, a camera <NUM>, a sensor <NUM>, and an input/output (I/O) interface <NUM>, coupled with each other at least as illustrated.

The application circuitry <NUM> may include a circuitry such as, but not limited to, one or more single-core or multi-core processors. The processors may include any combination of general-purpose processors and dedicated processors, such as graphics processors, application processors. The processors may be coupled with the memory/storage and configured to execute instructions stored in the memory/storage to enable various applications and/or operating systems running on the system.

In various embodiments, the baseband circuitry <NUM> may include circuitry to operate with signals that are not strictly considered as being in a baseband frequency. For example, in some embodiments, baseband circuitry may include circuitry to operate with signals having an intermediate frequency, which is between a baseband frequency and a radio frequency.

The RF circuitry <NUM> may enable communication with wireless networks using modulated electromagnetic radiation through a non-solid medium. In various embodiments, the RF circuitry may include switches, filters, amplifiers, etc. to facilitate the communication with the wireless network.

In various embodiments, the RF circuitry <NUM> may include circuitry to operate with signals that are not strictly considered as being in a radio frequency. For example, in some embodiments, RF circuitry may include circuitry to operate with signals having an intermediate frequency, which is between a baseband frequency and a radio frequency.

In various embodiments, the transmitter circuitry, control circuitry, or receiver circuitry discussed above with respect to the user equipment, eNB, or gNB may be embodied in whole or in part in one or more of the RF circuitry, the baseband circuitry, and/or the application circuitry. As used herein, "circuitry" may refer to, be part of, or include an application specific integrated circuit (ASIC), an electronic circuit, a processor (shared, dedicated, or group), and/or a memory (shared, dedicated, or group) that execute one or more software or firmware programs, a combinational logic circuit, and/or other suitable hardware components that provide the described functionality. In some embodiments, the electronic device circuitry may be implemented in, or functions associated with the circuitry may be implemented by, one or more software or firmware modules.

In some embodiments, some or all of the constituent components of the baseband circuitry, the application circuitry, and/or the memory/storage may be implemented together on a system on a chip (SOC).

The memory/storage <NUM> may be used to load and store data and/or instructions, for example, for system. The memory/storage for one embodiment may include any combination of suitable volatile memory, such as dynamic random access memory (DRAM)), and/or non-volatile memory, such as flash memory.

In various embodiments, the I/O interface <NUM> may include one or more user interfaces designed to enable user interaction with the system and/or peripheral component interfaces designed to enable peripheral component interaction with the system. User interfaces may include, but are not limited to a physical keyboard or keypad, a touchpad, a speaker, a microphone, etc. Peripheral component interfaces may include, but are not limited to, a non-volatile memory port, a universal serial bus (USB) port, an audio jack, and a power supply interface.

In various embodiments, the sensor <NUM> may include one or more sensing devices to determine environmental conditions and/or location information related to the system. In some embodiments, the sensors may include, but are not limited to, a gyro sensor, an accelerometer, a proximity sensor, an ambient light sensor, and a positioning unit. The positioning unit may also be part of, or interact with, the baseband circuitry and/or RF circuitry to communicate with components of a positioning network, e.g., a global positioning system (GPS) satellite.

In various embodiments, the display <NUM> may include a display, such as a liquid crystal display and a touch screen display. In various embodiments, the system <NUM> may be a mobile computing device such as, but not limited to, a laptop computing device, a tablet computing device, a netbook, an ultrabook, a smartphone, etc. In various embodiments, system may have more or less components, and/or different architectures. Where appropriate, methods described herein may be implemented as a computer program. The computer program may be stored on a storage medium, such as a non-transitory storage medium.

Some embodiments of the present disclosure provide an apparatus and a method for scheduling resource allocation of the same capable of performing UE-UE scheduling in vehicle-to-everything (V2X) communication and improving reliability. The embodiment of the present disclosure is a combination of techniques/processes that can be adopted in 3GPP specification to create an end product.

A person having ordinary skill in the art understands that each of the units, algorithm, and steps described and disclosed in the embodiments of the present disclosure are realized using electronic hardware or combinations of software for computers and electronic hardware. Whether the functions run in hardware or software depends on the condition of application and design requirement for a technical plan. A person having ordinary skill in the art can use different ways to realize the function for each specific application while such realizations should not go beyond the scope of the present disclosure. It is understood by a person having ordinary skill in the art that he/she can refer to the working processes of the system, device, and unit in the above-mentioned embodiment since the working processes of the above-mentioned system, device, and unit are basically the same. For easy description and simplicity, these working processes will not be detailed.

Claim 1:
A first user equipment for scheduling resource allocation, comprising:
a memory;
a transceiver; and
a processor coupled to the memory and the transceiver;
wherein the processor is configured to decide on a resource allocation for a second user equipment according to resource related information associated with the second user equipment and status information associated with the second user equipment,
wherein the transceiver is configured to:
receive a third indication from the second user equipment, and the third indication is to indicate the status information of the second user equipment; and
transmit, to a first network node, a fifth indication, and the fifth indication is to indicate the status information of the second user equipment, and
wherein the transceiver is configured to: receive a sixth indication from the first network node, and the sixth indication
is to indicate the resource related information to be used by the second user equipment for sidelink communication.