Data rate decoding for transport blocks

In a wireless communications system, a user equipment (UE) may receive, from a network device, a downlink control message that schedules a first and second repetition of a transport block for a downlink shared channel in a first component carrier of multiple component carriers, the first and second repetitions scheduled in a first and second transmission occasion associated with the downlink shared channel. The UE may monitor for the repetitions in the respective transmission occasions, and the UE may decode the transport block based on a number of transmission occasions associated with the downlink shared channel in the component carrier and a data rate limit across the multiple component carriers including the first component carrier.

FIELD OF TECHNOLOGY

The following relates to wireless communications, including data rate decoding for transport blocks.

BACKGROUND

In some wireless communications systems, a UE may receive multiple repetitions of a transport block in a transmission interval. Techniques for processing the transport block may be deficient.

SUMMARY

The described techniques relate to improved methods, systems, devices, and apparatuses that support data rate decoding for transport blocks. Generally, the described techniques provide for a user equipment (UE) to use improved data rate physical downlink shared channel (PDSCH) decoding of one or more transport blocks. In some cases, a base station may schedule two or more repetitions of a transport block for a PDSCH in a first component carrier (CC), where a first repetition may be scheduled in a first transmission occasion and a second repetition may be scheduled in a second transmission occasion. The base station may schedule the first and second repetitions based on a time division multiplexing (TDM) resource allocation scheme or a frequency division multiplexing (FDM) resource allocation scheme. The UE may monitor for each repetition of the transport block in respective transmission occasions, and the UE may decode the transport block based on a number of transmission occasions associated with the PDSCH in the first CC and a data rate limit across the multiple CCs including the first CC.

In some examples, the UE may have a data rate capability for the multiple CCs including the first CC, where the data rate limit may be determined based on the data rate capability of the UE, and where the base station may schedule the two repetitions based on receiving a capability message indicating the data rate capability of the UE. The UE may calculate a data rate across all CCs in one or more PDSCHs for a TDM resource allocation scheme or an FDM resource allocation scheme, where the UE may count each transmission occasion (e.g., each repetition) received separately toward a total number of transport blocks in that CC. In some cases, the UE may calculate a data rate in one PDSCH in one CC for a TDM resource allocation scheme or an FDM resource allocation scheme, where the UE may count each transmission occasion (e.g., each repetition) as one PDSCH.

A method for wireless communications at a UE is described. The method may include receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel, monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message, and decoding the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC.

An apparatus for wireless communications at a UE is described. The apparatus may include a processor, memory coupled with the processor, and instructions stored in the memory. The instructions may be executable by the processor to cause the apparatus to receive, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel, monitor for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message, and decode the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC.

Another apparatus for wireless communications at a UE is described. The apparatus may include means for receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel, means for monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message, and means for decoding the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC.

A non-transitory computer-readable medium storing code for wireless communications at a UE is described. The code may include instructions executable by a processor to receive, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel, monitor for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message, and decode the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, decoding the transport block may include operations, features, means, or instructions for counting the first transmission occasion and the second transmission occasion separately for a data rate calculation associated with the downlink shared channel in the first CC.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, the data rate limit may be based on a data rate capability of the UE, a number of information bits of the transport block, and the number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, decoding the transport block may include operations, features, means, or instructions for determining a second data rate limit associated with the downlink shared channel for the first CC based on a first number of symbols for the first transmission occasion.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for transmitting, to the network entity, a UE capability message indicating a data rate capability of the UE for the first CC, where the data rate limit may be based on the data rate capability of the UE.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining a third data rate limit associated with the downlink shared channel for the first CC based on a second number of symbols for the second transmission occasion.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining a respective data rate for each of the first and second transmission occasions based on the second data rate limit for the first CC, where the first CC may be configured with an enhanced downlink shared channel processing time.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining a respective data rate for each of the first and second transmission occasions based on the second data rate limit for the first CC, where the downlink shared channel may be a retransmission of a second downlink shared channel.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, determining the respective data rate may include operations, features, means, or instructions for determining the respective data rate for each of the first and second transmission occasions based on a modulation and coding scheme.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining a transport block size (TB S) based on the second downlink shared channel.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, the second data rate limit for the first CC may be half of a data rate capability of the UE for the first CC, where the first transmission occasion and the second transmission occasion may be non-overlapping in frequency.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, receiving the downlink control message may include operations, features, means, or instructions for receiving the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, where the first transmission occasion and the second transmission occasion may be non-overlapping in time.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, receiving the downlink control message may include operations, features, means, or instructions for receiving the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, where the first transmission occasion and the second transmission occasion may be non-overlapping in frequency.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for receiving, from the base station, a message indicating a transmission configuration indicator (TCI) state for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for receiving, from the base station, a message indicating a configuration for the first CC used for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for transmitting, to the network entity, a UE capability message indicating a data rate capability of the UE for the set of multiple CCs including the first CC, where the data rate limit may be based on the data rate capability of the UE.

A method for wireless communications at a base station is described. The method may include receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC and transmitting, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel.

An apparatus for wireless communications at a base station is described. The apparatus may include a processor, memory coupled with the processor, and instructions stored in the memory. The instructions may be executable by the processor to cause the apparatus to receive, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC and transmit, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel.

Another apparatus for wireless communications at a base station is described. The apparatus may include means for receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC and means for transmitting, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first C of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel.

A non-transitory computer-readable medium storing code for wireless communications at a base station is described. The code may include instructions executable by a processor to receive, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC and transmit, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for transmitting, to the UE, a message indicating a TCI state for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, transmitting the downlink control message may include operations, features, means, or instructions for transmitting the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, where the first transmission occasion and the second transmission occasion may be non-overlapping in time.

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, transmitting the downlink control message may include operations, features, means, or instructions for transmitting the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, where the first transmission occasion and the second transmission occasion may be non-overlapping in frequency.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for transmitting, to the UE, a message indicating a configuration for the first CC used for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for receiving, from the UE, the UE capability message indicating a data rate capability of the UE for the first CC, where a data rate limit may be based on the data rate capability of the UE.

DETAILED DESCRIPTION

In some wireless communications systems, a user equipment (UE) may receive two or more repetitions of a transport block within a transmission interval (e.g., within a slot) (e.g., in the case of a physical downlink shared channel (PDSCH) transmission scheme). The transport block may include a total number of information bits, and each repetition may include a set of bits representative of the total number of information bits. As such, the UE may process more bits as the UE decodes each additional repetition of the transport block. In some cases, the UE may perform separate rate matching where the UE may perform rate matching across each repetition separately to decode the transport block. Although the repetitions corresponds to the same transport block, the UE may lack the ability to sum a data rate for PDSCHs across multiple component carriers (CCs) or in one CC of the PDSCH, and as such, the UE may fail to process or decode all of the information bits in each repetition of the transport block.

Techniques described herein enable a UE to use improved data rate decoding for PDSCH transport blocks. In some cases, a base station may schedule two or more repetitions of a transport block for a PDSCH in a first CC of multiple CCs, where a first repetition may be scheduled in a first transmission occasion and a second repetition may be scheduled in a second transmission occasion. The base station may schedule the first and second repetitions based on a time division multiplexing (TDM) resource allocation scheme or a frequency division multiplexing (FDM) resource allocation scheme. The UE may monitor for each repetition of the transport block in the respective transmission occasion, and the UE may decode the transport block based on a number of transmission occasions associated with the PDSCH in the first CC and a data rate limit across the multiple CCs including the first CC.

In some examples, the UE may have a data rate capability for the multiple CCs including the first CC, where the data rate limit may be determined based on the data rate capability of the UE, and where the base station may schedule the two repetitions based on receiving a capability message indicating the data rate capability of the UE. The UE may calculate a data rate across all CCs in one or more PDSCHs for a TDM resource allocation scheme or an FDM resource allocation scheme, where the UE may count each transmission occasion (e.g., each repetition) received in the PDSCH separately toward a total number of transport blocks in that CC. In some cases, the UE may calculate a data rate in one PDSCH in one CC for a TDM resource allocation scheme or an FDM resource allocation scheme, where the UE may count each transmission occasion (e.g., each repetition) as one PDSCH.

Particular aspects of the subject matter described herein may be implemented to realize one or more advantages. The described techniques may support improvements in data rate decoding for transport blocks. For example, in some cases, the described techniques may enable the UE to decode a transport block based on a number of transmission occasions associated with repetitions of the transport block and a data rate limit, which may reduce power consumption and improve user experience. As such, supported techniques may include improved network operations, and, in some examples, may promote network efficiencies, among other benefits.

In some cases, a UE115may use improved data rate decoding for PDSCH transport blocks. For example, a base station105may schedule two or more repetitions of a transport block for a PDSCH in a first CC of multiple CCs, where a first repetition may be scheduled in a first transmission occasion and a second repetition may be scheduled in a second transmission occasion. The base station105may schedule the first and second repetitions based on a TDM resource allocation scheme or an FDM resource allocation scheme. The UE115may monitor for each repetition of the transport block in the respective transmission occasion, and the UE115may decode the transport block based on a number of transmission occasions associated with the PDSCH in the first CC and a data rate limit across the multiple CCs including the first CC.

In some examples, the UE115may have a data rate capability for the multiple CCs including the first CC, where the data rate limit may be determined based on the data rate capability of the UE115, and where the base station105may schedule the two repetitions based on receiving a capability message indicating the data rate capability of the UE115. The UE115may calculate a data rate across all CCs in one or more PDSCHs for a TDM resource allocation scheme or an FDM resource allocation scheme, where the UE115may count each transmission occasion (e.g., each repetition) received in the PDSCH separately toward a total number of transport blocks in that CC. In some cases, the UE115may calculate a data rate in one PDSCH in one CC for a TDM resource allocation scheme or an FDM resource allocation scheme, where the UE115may count each transmission occasion (e.g., each repetition) as one PDSCH.

FIG.2illustrates an example of a wireless communications system200that supports data rate decoding for transport blocks in accordance with aspects of the present disclosure. In some examples, the wireless communications system200may implement aspects of the wireless communications system100or may be implemented by aspects of the wireless communications system100. For example, the wireless communications system200may include a UE115-aand a base station105-a, which may be examples of corresponding devices described herein. The wireless communications system200may include features for improved communications between the UE115-aand the base station105-a, among other benefits.

In some cases, a UE115-amay have some processing capability (e.g., capability 1, capability 2) for processing a PDSCH. The UE115-amay be associated with a PDSCH processing time, which may be the time duration between the UE115-areceiving a last symbol of a PDSCH and the UE115-atransmitting a first symbol of a physical uplink control channel (PUCCH) that may carry HARQ acknowledgment (ACK) feedback corresponding to the PDSCH. In some cases, a number of symbols N1may determine the processing time, where N1may depend on a capability of the UE115-a(e.g., processing capability 1, processing capability 2), a subcarrier spacing (e.g., μ), and whether additional demodulation reference signal (DMRS) symbols are configured (e.g., for capability 1). For a UE115-athat supports a processing capability 2 on a given cell, the processing time (e.g., according to the UE processing capability 2) may be applied if a higher layer parameter (e.g., processingType2Enabled in PDSCH-ServingCellConfig) is configured for the cell and set to an enabled setting. In some cases, the processing capability 2 may be defined for frequency range 1 (FR1).

The UE115-amay sum a data rate across CCs (e.g., in a slot) based on a processing capability of the UE115-a. In some examples, the UE115-amay sum the data rate across all CCs (e.g., in a slot) according to Equation 1:

In some examples, Tslotμ(j)may represent the duration of a slot sj, and Vj,mmay represent the number of information bits of the mth transport block in slot sjin the jth CC (e.g., of the jth serving cell). The UE115-amay sum over all of the M transport blocks received in the CCjof the slot sjacross the CCs, which may be less than or equal to the data rate (e.g., DataRate) of the UE115-a. The data rate may be calculated based on a capability of the UE115-a. As such, the data rate may depend on what information the UE115-amay receive, including corresponding configurations and scheduling (e.g., via downlink control information (DCI)) in different CCs. In some cases, the base station105-aand the UE115-amay refrain from exceeding the data rate in Equation 1.

In some cases, the UE115-amay additionally, or alternatively, have a per-CC data rate limitation, which may be a data rate limitation when PDSCH processing capability 2 is configured for a CC (e.g., a base station105-amay fail to distribute a load across CCs for capability 2). The per-CC data rate limitation may be calculated according to Equation 2:

In some cases, the UE115-amay calculate the per-CC data rate limitation in addition to the data rate limitation across all CCs to ensure that both limitations are satisfied for capability 2 or for PDSCH retransmissions. Equation 2 may be calculated for a single PDSCH in one CC, where L may represent the number of symbols assigned to the PDSCH,

Tsμ=10-82μ·Nsymbolslot,
and μ may represent the numerology of the PDSCH. The per-CC data rate (e.g., DataRateCC) may be calculated based on a capability of the UE115-afor a given CC (e.g., instead of across CCs).

The data rate capability of the UE115-amay be based on a reported UE capability (e.g., instead of being related to a network configuration for scheduling information). The data rate (e.g., in Mbps) may be calculated according to Equation 3:

The data rate (e.g., in Mbps) may be calculated based on parameters the UE115-amay indicate in UE capability signaling. In some cases, vlayers(j)may represent a number of supported layers given by a higher layer parameter for a PDSCH or a physical uplink shared channel (PUSCH) (e.g., maxNumberMIMO-LayersPDSCH for downlink, maxNumberMIMO-LayersCB-PUSCH and maxNumberMIMO-LayersNonCB-PUSCH for uplink), Qm(j)may represent a supported modulation order given by a higher layer parameter (e.g., supportedModulationOrderDL for downlink, supporedModulationOrderUL for uplink), and f(j)may represent a scaling factor given by a higher layer parameter (e.g., scalingFactor), which may take a value of 1, 0.8, 0.75, and 0.4. In some cases, the scaling factor may enable the UE115-athe flexibility to indicate that the UE115-amay refrain from operating at a peak data rate across all CCs at any given time, even if the UE115-asupports a high number of layers and a high modulation order. In some cases, Rmaxmay represent a code rate (e.g., a maximum code rate), NPRBBW(j),μmay represent a number of RBs in a symbol, where μ may represent the numerology (e.g., subcarrier spacing), and Tsμmay represent an average OFDM symbol duration in a subframe for numerology μ. In some cases, OH(j)may represent an overhead value, and may take a different value depending on the operating frequency range (e.g., FR1, FR2) and the type of communications (e.g., uplink, downlink). As such, the UE115-amay calculate a data rate with respect to one symbol.

The UE115-amay receive a transport block from the base station105-aconfigured for different PDSCH transmission schemes. For example, the transport block may be transmitted using a TDM resource allocation scheme or an FDM resource allocation scheme, which are described herein with reference toFIGS.3A and3B, respectively. In some cases, the UE115-amay receive two or more repetitions of the same transport block within one slot (e.g., as in the case of PDSCH transmission schemes TDMSchemeA and FDMSchemeB). The UE115-amay perform separate rate matching in order to decode the transport block, and the UE115-amay perform the rate matching across each repetition separately. That is, even though the repetitions may correspond to the same transport block, the UE115-amay count each repetition separately for the purpose of either sum data rate limitation across all CCs or sum data rate limitation in one CC. For example, the sum data rate as calculated in Equation 1 may be based on one transport block (e.g., the Mth transport block) instead of the number of repetitions of the transport block. That is, the UE115-amay receive two repetitions of the transport block, and without an indication from the UE115-athat the UE115-amay count the two repetitions (e.g., the two transmission occasions) separately toward the data rate, the repetitions may be counted once, which may not represent the full complexity at the UE115-a.

In some examples, for the sum data rate limitation in one CC for an FDM resource allocation scheme, each transmission occasion may satisfy the half of a data rate per CC given that two transmission occasions corresponding to the two repetitions of the transport block may be in the same symbols. That is, the per-CC data rate limitation described with reference to Equation 2 may be divided by two in the case of an FDM resource allocation scheme because each repetition may contribute individually to the complexity associated with the data rate. In some cases, for PUSCH repetitions in one slot (e.g., PUSCH repetition Type B), each repetition may be counted separately toward the sum data rate. In addition, for the per-CC data rate limitation, each repetition (e.g., for PUSCH repetition Type B) may be treated as one PUSCH. However, PDSCH repetitions for the TDM resource allocation scheme and the FDM resource allocation scheme may lack these data rate limitation techniques.

The wireless communications system200may implement techniques for improved data rate decoding of transport blocks. For example, the wireless communications system200may support decoding transport blocks for PDSCHs across multiple CCs. In some examples, for sum data rate limitation across all CCs (e.g., in one or more PDSCHs), if in a jth CC with reference to Equation (1, a PDSCH with two or more transmission occasions220of a same transport block (e.g., two or more repetitions of the transport block) are received by the UE115-a, each transmission occasion220may be counted separately toward the quantity of M transport blocks in the slot in that CC. For example, in a given CC, the UE115-amay receive M transport blocks in a given slot sj. If the UE115-areceives two different repetitions of two different transport blocks in the slot sj, then the UE115-amay count 4 transport blocks toward the total quantity of M transport blocks.

The UE115-amay use the sum data rate limitation across all CCs for a TDM resource allocation scheme (e.g., TDMSchemeA), where the UE115-amay receive two non-overlapping transmission occasions in the time domain, and for an FDM resource allocation scheme (e.g., FDMSchemeB), where the UE115-amay receive two non-overlapping transmission occasions in the frequency domain. For example, the UE115-amay receive a transmission occasion220-aand a transmission occasion220-bthat may be non-overlapping in the time domain or in the frequency domain. The TDM resource allocation scheme and the FDM resource allocation scheme are described herein in more detail with reference toFIGS.3A and3B, respectively. The UE115-amay also use the sum data rate limitation across all CCs in which a PDSCH with two or more transmission occasions220may be received. For example, a first PDSCH in a first CC may include two repetitions of the transport block and a second PDSCH different from the first PDSCH in a second CC may include two repetitions of the transport block. If each of the CCs follows the TDM resource allocation scheme or the FDM resource allocation scheme, then the UE115-amay count each transmission occasion220separately toward the M transport blocks in each CC. The sum of all of the transmission occasions220over all of the CCs may then be less than or equal to the sum data rate across all CCs (e.g., following Equation 1).

In some examples, the wireless communications system200may support decoding transport blocks for a PDSCH in one CC. For sum data rate limitation in one PDSCH in one CC, using Equation 2, the UE115-amay treat each transmission occasion220(e.g., each repetition of the transport block) as one PDSCH. The UE115-amay use the per-CC data rate for the TDM resource allocation scheme (e.g., TDMSchemeA), where the UE115-amay receive two non-overlapping transmission occasions in the time domain, and the FDM resource allocation scheme (e.g., FDMSchemeB), where the UE115-amay receive two non-overlapping transmission occasions in the frequency domain. In some cases, for the TDM resource allocation scheme, the number of symbols L as described with reference to Equation 2, may be equal to the duration of one transmission occasion220rather than the duration of both transmission occasions220together. In some cases, for the FDM resource allocation scheme, the data rate per transmission occasion220may be smaller than or equal to half of the per-CC data rate (e.g., DataRateCC/2) because the UE115-amay receive the two transmission occasions220at the same time in the same symbols.

The UE115-amay use the per-CC data rate when the UE115-areceives a PDSCH in a CC configured with a PDSCH processing capability of the UE115-a(e.g., a processing capability 2, a data rate capability), where the processing capability may enable advanced or enhanced processing. Additionally, or alternatively, the UE115-amay use the per-CC data rate if a scheduled PDSCH is a retransmission with a reserved modulation and coding scheme (MCS) value (e.g., from an MCS table), in which case the UE115-amay perform a transport block size (TBS) calculation based on a previous transmission.

In some examples, the UE115-amay communicate with the base station105-avia a communications link210, which may be a downlink communications link. The UE115-amay receive DCI215from the base station105-a, which may schedule the two repetitions of the transport block for a PDSCH in a first CC of multiple CCs. A first repetition may be scheduled in the transmission occasion220-aand a second repetition may be scheduled in the transmission occasion220-b. In some cases, UE115-amay transmit a capability message to the base station105-a, which may indicate a data rate capability of the UE115-afor the multiple CCs. The base station105-amay schedule the transmission occasions220based on the capability message. The UE115-amay monitor for the transmission occasion220-aand the transmission occasion220-b(e.g., and the respective repetitions of the transport block), and the UE115-amay decode the transport block based on a number of transmission occasions220associated with the PDSCH in the first CC and a data rate limit across the multiple CCs including the first CC.

In some examples, the UE115-amay be configured for sum data rate limitation across all CCs, where the UE115-amay count the transmission occasion220-aand the transmission occasion220-bseparately for a data rate calculation (e.g., toward the M transport blocks in the slot sjin the jth CC). As such, if M is the number of transport blocks transmitted in the slot sj, and if there are two transmission occasions220of the same transport block in the time domain or in the frequency domain (e.g., according to TDMSchemeA or FDMSchemeB) in the slot sj, then the UE115-amay count each transmission occasion220separately. In some other examples, the UE115-amay be configured for sum data rate limitation in one PDSCH in one CC (e.g., per-CC data rate), where the UE115-amay determine a second data rate limit (e.g., DataRateCC) associated with the PDSCH for the first CC based on a quantity of symbols L for the transmission occasion220-a, and a third data rate limit associated with the PDSCH for the first CC based on a quantity of symbols L for the transmission occasion220-b. That is, if L is the quantity of symbols assigned to the PDSCH, then for a PDSCH that includes two transmission occasions220in the time domain in one slot, L may be the quantity of symbols of one transmission occasion220.

FIG.3Aillustrates an example of a resource allocation scheme300that supports data rate decoding for transport blocks in accordance with aspects of the present disclosure. In some examples, the resource allocation scheme300may implement aspects of the wireless communications systems100and200or may be implemented by aspects of the wireless communications systems100and200, as described with reference toFIGS.1and2.

In some cases, a UE may communicate with a base station using a multiplexing scheme. For example, the UE may use the resource allocation scheme300(e.g., TDMSchemeA), where the UE may receive DCI that may schedule two TDM transmission occasions of the same transport block (e.g., two repetitions of the same transport block) within one transmission interval, such as a slot305. In some cases, the slot305may include 14 symbols. The UE may receive the two repetitions when a transmission configuration indicator (TCI) field within the DCI indicates two TCI states. For example, the UE may receive a transmission occasion310-aand a transmission occasion310-b, where the transmission occasions correspond to a first repetition and a second repetition of the transport block (e.g., for a PDSCH in a CC). The transmission occasion310-amay have a TCI state 1, and the transmission occasion310-bmay have a TCI state 2.

In some examples, a time domain resource allocation (TDRA) field in the DCI may be for the transmission occasion310-a(e.g., the first repetition). The TDRA field may indicate the length L (e.g., in number of symbols) and a starting symbol (S) of the transmission occasion310-a. For example, the TDRA field of the DCI may indicate that S=3 and L=4. As such, the transmission occasion310-amay start at the fourth symbol (having slot index 3) in the slot305and extend for four total symbols. In some cases, the transmission occasion310-b(e.g., the second repetition) may have the same length as the transmission occasion310-a. As such, the transmission occasion310-bmay likewise have a length in symbols of L=4. In some cases, a gap315may be configurable between the transmission occasion310-aand the transmission occasion310-b. The gap315may be RRC configured and may have a duration of two symbols. In some examples, the first repetition and the second repetition may have different redundancy versions (RVs). For example, the first repetition may have an RV of 0 and the second repetition may have an RV of 2.

The UE may indicate to a base station whether the UE supports the resource allocation scheme300or a different scheme such as an FDM resource allocation scheme, as described herein with reference toFIG.3B. Based on the indication from the UE, the base station may configure and dynamically schedule the transmission occasion310-aand the transmission occasion310-busing the DCI.

The UE may monitor transmission occasions310-aand310-bto decode a transport block having multiple repetitions. For example, the UE may monitor transmission occasion310-afor a first repetition of the transport block over a given CC and the UE may monitor transmission occasion310-bfor a second repetition of the transport block over the same CC or a different CC. To decode the transport block, the UE may count or sum the data rate separately for each repetition or transmission occasion. That is, the UE may consider a sum data rate limitation across all CCs as part of the data rate calculation for decoding the transport block because each repetition individually contributes to the complexity associated with the data rate.

FIG.3Billustrates an example of a resource allocation scheme301that supports data rate decoding for transport blocks in accordance with aspects of the present disclosure. In some examples, the resource allocation scheme301may implement aspects of the wireless communications systems100and200or may be implemented by aspects of the wireless communications systems100and200, as described herein with reference toFIGS.1and2.

In some cases, a UE may communicate signaling with a base station using a multiplexing scheme. For example, the UE may use the resource allocation scheme301(e.g., FDMSchemeB), where the UE may receive a DCI scheduling two FDMed (e.g., non-overlapping frequency domain resource allocation (FDRA)) transmission occasions310of the same transport block (e.g., two repetitions of the same transport block). The UE may receive the two repetitions when a TCI field within the DCI indicates two TCI states. For example, the UE may receive a PDSCH320including a quantity of RBs, where a transmission occasion310-c(e.g., a first repetition of the transport block) may correspond to a first RB set and a transmission occasion310-d(e.g., a second repetition of the transport block) may correspond to a second RB set.

In some cases, the transmission occasion310-cmay have a first TCI state, and the transmission occasion310-dmay have a second TCI state. The transmission occasion310-cand the transmission occasion310-dmay each have a length L=6 symbols, and each RB set may include four RBs. In some cases, an FDRA field may be for overall RBs across the transmission occasion310-cand the transmission occasion310-d. As such, the FDRA field may indicate all of the RBs in the first RB set and the second RB set (e.g., across both repetitions corresponding to both transmission occasions310), and the first RB set and the second RB set may each correspond to a different TCI state. In some examples, the first repetition and the second repetition may have different RVs. For example, the first repetition may have an RV of 0 and the second repetition may have an RV of 2.

The UE may indicate to a base station whether the UE supports the resource allocation scheme301or a different scheme such as a TDM resource allocation scheme, which is described herein with reference toFIG.3A. Based on the indication from the UE, the base station may configure and dynamically schedule the transmission occasion310-cand the transmission occasion310-dusing DCI.

The UE may monitor transmission occasions310-cand310-dto decode a transport block having multiple repetitions. For example, the UE may monitor transmission occasion310-cfor a first repetition of the transport block over a given CC and the UE may monitor transmission occasion310-dfor a second repetition of the transport block over the same CC or a different CC. To decode the transport block, the UE may count or sum the data rate separately for each repetition or transmission occasion. That is, the UE may consider a sum data rate limitation across all CCs as part of the data rate calculation for decoding the transport block because each repetition individually contributes to the complexity associated with the data rate.

FIG.4illustrates an example of a process flow400that supports data rate decoding for transport blocks in accordance with aspects of the present disclosure. The process flow400may implement aspects of wireless communications systems100and200, or may be implemented by aspects of the wireless communications system100and200. For example, the process flow400may illustrate operations between a UE115-band a base station105-b, which may be examples of corresponding devices described herein. In the following description of the process flow400, the operations between the UE115-band the base station105-bmay be transmitted in a different order than the example order shown, or the operations performed by the UE115-band the base station105-bmay be performed in different orders or at different times. Some operations may also be omitted from the process flow400, and other operations may be added to the process flow400.

At405, the UE115-bmay transmit, to the base station105-b, a UE capability message indicating a data rate capability of the UE115-bfor multiple CCs including a first CC. In some cases, the data rate capability may indicate that the UE115-bmay sum a data rate across the multiple CCs or sum the data rate in the first CC.

At410, the UE115-bmay receive, from the base station105-b, a downlink control message (e.g., DCI) that schedules a first repetition and a second repetition of a transport block for a PDSCH in a first CC of multiple CCs. In some cases, the first repetition may be scheduled in a first transmission occasion of multiple transmission occasions and the second repetition may be scheduled in a second transmission occasion of the multiple transmission occasions associated with the PDSCH. In some cases, the UE115-bmay receive the downlink control message based on the data rate capability of the UE115-b.

At415, the UE115-bmay monitor for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based at least in part on the downlink control message.

At420, the UE115-bmay decode the transport block based on the monitoring, a number of transmission occasions of the multiple transmission occasions associated with the PDSCH in the first CC, and a data rate limit across the plurality of CCs including the first CC. For example, the UE115-bmay sum a data rate across all CCs in one or more PDSCHs, where the data rate limit may be based on the data rate capability of the UE115-b. In some cases, the UE115-bmay sum the data rate across the first CC in the PDSCH, where a second data rate limit for the first CC may be half of a data rate capability of the UE for the first CC.

The communications manager520, the receiver510, the transmitter515, or various combinations thereof or various components thereof may be examples of means for performing various aspects of data rate decoding for transport blocks as described herein. For example, the communications manager520, the receiver510, the transmitter515, or various combinations or components thereof may support a method for performing one or more of the functions described herein.

The communications manager520may support wireless communications at a UE in accordance with examples as disclosed herein. For example, the communications manager520may be configured as or otherwise support a means for receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The communications manager520may be configured as or otherwise support a means for monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message. The communications manager520may be configured as or otherwise support a means for decoding the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC.

By including or configuring the communications manager520in accordance with examples as described herein, the device505(e.g., a processor controlling or otherwise coupled to the receiver510, the transmitter515, the communications manager520, or a combination thereof) may support techniques for data rate decoding for transport blocks, which may reduce power consumption and improve coordination between devices. Further, the supported techniques may improve network operations and promote network efficiencies.

The device605, or various components thereof, may be an example of means for performing various aspects of data rate decoding for transport blocks as described herein. For example, the communications manager620may include a downlink control message reception component625, a monitoring component630, a decoding component635, or any combination thereof. The communications manager620may be an example of aspects of a communications manager520as described herein. In some examples, the communications manager620, or various components thereof, may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the receiver610, the transmitter615, or both. For example, the communications manager620may receive information from the receiver610, send information to the transmitter615, or be integrated in combination with the receiver610, the transmitter615, or both to receive information, transmit information, or perform various other operations as described herein.

The communications manager620may support wireless communications at a UE in accordance with examples as disclosed herein. The downlink control message reception component625may be configured as or otherwise support a means for receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The monitoring component630may be configured as or otherwise support a means for monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message. The decoding component635may be configured as or otherwise support a means for decoding the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC.

FIG.7shows a block diagram700of a communications manager720that supports data rate decoding for transport blocks in accordance with aspects of the present disclosure. The communications manager720may be an example of aspects of a communications manager520, a communications manager620, or both, as described herein. The communications manager720, or various components thereof, may be an example of means for performing various aspects of data rate decoding for transport blocks as described herein. For example, the communications manager720may include a downlink control message reception component725, a monitoring component730, a decoding component735, a data rate capability component740, a data rate capability component745, a TCI state component750, a CC configuration component755, a data rate determination component760, or any combination thereof. Each of these components may communicate, directly or indirectly, with one another (e.g., via one or more buses).

The communications manager720may support wireless communications at a UE in accordance with examples as disclosed herein. The downlink control message reception component725may be configured as or otherwise support a means for receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The monitoring component730may be configured as or otherwise support a means for monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message. The decoding component735may be configured as or otherwise support a means for decoding the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC.

In some examples, the data rate capability component740may be configured as or otherwise support a means for transmitting, to the base station, a UE capability message indicating a data rate capability of the UE for the set of multiple CCs including the first CC, where the data rate limit is based on the data rate capability of the UE.

In some examples, the data rate limit is based on a data rate capability of the UE, a number of information bits of the transport block, and the number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC.

In some examples, the TCI state component750may be configured as or otherwise support a means for receiving, from the base station, a message indicating a TCI state for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

In some examples, to support decoding the transport block, the decoding component735may be configured as or otherwise support a means for counting the first transmission occasion and the second transmission occasion separately for a data rate calculation associated with the downlink shared channel in the first CC.

In some examples, to support receiving the downlink control message, the downlink control message reception component725may be configured as or otherwise support a means for receiving the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, where the first transmission occasion and the second transmission occasion are non-overlapping in time.

In some examples, to support receiving the downlink control message, the downlink control message reception component725may be configured as or otherwise support a means for receiving the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, where the first transmission occasion and the second transmission occasion are non-overlapping in frequency.

In some examples, the CC configuration component755may be configured as or otherwise support a means for receiving, from the base station, a message indicating a configuration for the first CC used for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

In some examples, to support decoding the transport block, the decoding component735may be configured as or otherwise support a means for determining a second data rate limit associated with the downlink shared channel for the first CC based on a first number of symbols for the first transmission occasion.

In some examples, the decoding component735may be configured as or otherwise support a means for determining a third data rate limit associated with the downlink shared channel for the first CC based on a second number of symbols for the second transmission occasion.

In some examples, the data rate capability component740may be configured as or otherwise support a means for transmitting, to the base station, a UE capability message indicating a data rate capability of the UE for the first CC, where the data rate limit is based on the data rate capability of the UE.

In some examples, the second data rate limit for the first CC is half of a data rate capability of the UE for the first CC, where the first transmission occasion and the second transmission occasion are non-overlapping in frequency.

In some examples, the data rate determination component760may be configured as or otherwise support a means for determining a respective data rate for each of the first and second transmission occasions based on the second data rate limit for the first CC, where the first CC is configured with an enhanced downlink shared channel processing time.

In some examples, the data rate determination component760may be configured as or otherwise support a means for determining a respective data rate for each of the first and second transmission occasions based at least in part on the second data rate limit for the first CC, where the downlink shared channel is a retransmission of a second downlink shared channel.

In some examples, to support determining the respective data rate, the data rate determination component760may be configured as or otherwise support a means for determining the respective data rate for each of the first and second transmission occasions based on a modulation and coding scheme.

In some examples, the data rate determination component760may be configured as or otherwise support a means for determining a TBS based on the second downlink shared channel.

The communications manager820may support wireless communications at a UE in accordance with examples as disclosed herein. For example, the communications manager820may be configured as or otherwise support a means for receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The communications manager820may be configured as or otherwise support a means for monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message. The communications manager820may be configured as or otherwise support a means for decoding the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC.

By including or configuring the communications manager820in accordance with examples as described herein, the device805may support techniques for data rate decoding for transport blocks, which may increase the likelihood of successful reception of a transport block. Such techniques may reduce retransmission associated with a transport block, which may increase network efficiency and reduce power consumption, which may result in increased battery life. Further, the supported techniques may improve network operations through more effective resource usage.

The communications manager920, the receiver910, the transmitter915, or various combinations thereof or various components thereof may be examples of means for performing various aspects of data rate decoding for transport blocks as described herein. For example, the communications manager920, the receiver910, the transmitter915, or various combinations or components thereof may support a method for performing one or more of the functions described herein.

The communications manager920may support wireless communications at a base station in accordance with examples as disclosed herein. For example, the communications manager920may be configured as or otherwise support a means for receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC. The communications manager920may be configured as or otherwise support a means for transmitting, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel.

By including or configuring the communications manager920in accordance with examples as described herein, the device905(e.g., a processor controlling or otherwise coupled to the receiver910, the transmitter915, the communications manager920, or a combination thereof) may support techniques for data rate decoding for transport blocks, which may reduce power consumption and improve coordination between devices. Further, the supported techniques may improve network operations and promote network efficiencies.

The device1005, or various components thereof, may be an example of means for performing various aspects of data rate decoding for transport blocks as described herein. For example, the communications manager1020may include a capability message reception component1025a downlink control message transmission component1030, or any combination thereof. The communications manager1020may be an example of aspects of a communications manager920as described herein. In some examples, the communications manager1020, or various components thereof, may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the receiver1010, the transmitter1015, or both. For example, the communications manager1020may receive information from the receiver1010, send information to the transmitter1015, or be integrated in combination with the receiver1010, the transmitter1015, or both to receive information, transmit information, or perform various other operations as described herein.

The communications manager1020may support wireless communications at a base station in accordance with examples as disclosed herein. The capability message reception component1025may be configured as or otherwise support a means for receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC. The downlink control message transmission component1030may be configured as or otherwise support a means for transmitting, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel.

FIG.11shows a block diagram1100of a communications manager1120that supports data rate decoding for transport blocks in accordance with aspects of the present disclosure. The communications manager1120may be an example of aspects of a communications manager920, a communications manager1020, or both, as described herein. The communications manager1120, or various components thereof, may be an example of means for performing various aspects of data rate decoding for transport blocks as described herein. For example, the communications manager1120may include a capability message reception component1125, a downlink control message transmission component1130, a TCI state configuration component1135, a TDM resource allocation component1140, an FDM resource allocation component1145, a CC component1150, or any combination thereof. Each of these components may communicate, directly or indirectly, with one another (e.g., via one or more buses).

The communications manager1120may support wireless communications at a base station in accordance with examples as disclosed herein. The capability message reception component1125may be configured as or otherwise support a means for receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC. The downlink control message transmission component1130may be configured as or otherwise support a means for transmitting, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel.

In some examples, the TCI state configuration component1135may be configured as or otherwise support a means for transmitting, to the UE, a message indicating a TCI state for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

In some examples, to support transmitting the downlink control message, the TDM resource allocation component1140may be configured as or otherwise support a means for transmitting the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, where the first transmission occasion and the second transmission occasion are non-overlapping in time.

In some examples, to support transmitting the downlink control message, the FDM resource allocation component1145may be configured as or otherwise support a means for transmitting the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, where the first transmission occasion and the second transmission occasion are non-overlapping in frequency.

In some examples, the CC component1150may be configured as or otherwise support a means for transmitting, to the UE, a message indicating a configuration for the first CC used for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

In some examples, the capability message reception component1125may be configured as or otherwise support a means for receiving, from the UE, the UE capability message indicating the data rate capability of the UE for the first CC, where a data rate limit is based on the data rate capability of the UE.

The network communications manager1210may manage communications with a core network130(e.g., via one or more wired backhaul links). For example, the network communications manager1210may manage the transfer of data communications for client devices, such as one or more UEs115.

The communications manager1220may support wireless communications at a base station in accordance with examples as disclosed herein. For example, the communications manager1220may be configured as or otherwise support a means for receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC. The communications manager1220may be configured as or otherwise support a means for transmitting, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel.

By including or configuring the communications manager1220in accordance with examples as described herein, the device1205may support techniques for data rate decoding for transport blocks, which may reduce power consumption and improve coordination between devices. Further, the supported techniques may improve network operations and promote network efficiencies.

At1305, the method may include receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The operations of1305may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1305may be performed by a downlink control message reception component725as described with reference toFIG.7.

At1310, the method may include monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message. The operations of1310may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1310may be performed by a monitoring component730as described with reference toFIG.7.

At1315, the method may include decoding the transport block based on the monitoring, a number of transmission occasions of the set of multiple transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the set of multiple CCs including the first CC. The operations of1315may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1315may be performed by a decoding component735as described with reference toFIG.7.

At1405, the method may include receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The operations of1405may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1405may be performed by a downlink control message reception component725as described with reference toFIG.7.

At1410, the method may include monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message. The operations of1410may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1410may be performed by a monitoring component730as described with reference toFIG.7.

At1415, the method may include counting the first transmission occasion and the second transmission occasion separately for a data rate calculation associated with the downlink shared channel in the first CC. The operations of1415may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1415may be performed by a decoding component735as described with reference toFIG.7.

At1505, the method may include receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a set of multiple CCs, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The operations of1505may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1505may be performed by a downlink control message reception component725as described with reference toFIG.7.

At1510, the method may include monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based on the downlink control message. The operations of1510may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1510may be performed by a monitoring component730as described with reference toFIG.7.

At1515, the method may include determining a second data rate limit associated with the downlink shared channel for the first CC based on a first number of symbols for the first transmission occasion. The operations of1515may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1515may be performed by a decoding component735as described with reference toFIG.7.

At1605, the method may include receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC. The operations of1605may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1605may be performed by a capability message reception component1125as described with reference toFIG.11.

At1610, the method may include transmitting, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The operations of1610may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1610may be performed by a downlink control message transmission component1130as described with reference toFIG.11.

At1705, the method may include receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a set of multiple CCs including a first CC. The operations of1705may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1705may be performed by a capability message reception component1125as described with reference toFIG.11.

At1710, the method may include transmitting, to the UE, a message indicating a TCI state for transmission of a first repetition and a second repetition of a transport block for a downlink shared channel. The operations of1710may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1710may be performed by a TCI state configuration component1135as described with reference toFIG.11.

At1715, the method may include transmitting, to the UE, a downlink control message that schedules the first repetition and the second repetition of the transport block for the downlink shared channel in the first CC of the set of multiple CCs based on the data rate capability of the UE, where the first repetition is scheduled in a first transmission occasion of a set of multiple transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the set of multiple transmission occasions associated with the downlink shared channel. The operations of1715may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of1715may be performed by a downlink control message transmission component1130as described with reference toFIG.11.

Aspect 1: A method for wireless communications at a UE, comprising: receiving, from a base station, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in a first CC of a plurality of CCs, wherein the first repetition is scheduled in a first transmission occasion of a plurality of transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the plurality of transmission occasions associated with the downlink shared channel; monitoring for the first repetition of the transport block in the first transmission occasion and for the second repetition of the transport block in the second transmission occasion based at least in part on the downlink control message; and decoding the transport block based at least in part on the monitoring, a number of transmission occasions of the plurality of transmission occasions associated with the downlink shared channel in the first CC, and a data rate limit across the plurality of CCs including the first CC.

Aspect 2: The method of aspect 1, wherein decoding the transport block comprises: counting the first transmission occasion and the second transmission occasion separately for a data rate calculation associated with the downlink shared channel in the first CC.

Aspect 3: The method of any of aspects 1 through 2, wherein the data rate limit is based at least in part on a data rate capability of the UE, a number of information bits of the transport block, and the number of transmission occasions of the plurality of transmission occasions associated with the downlink shared channel in the first CC.

Aspect 4: The method of any of aspects 1 through 3, wherein decoding the transport block comprises: determining a second data rate limit associated with the downlink shared channel for the first CC based at least in part on a first number of symbols for the first transmission occasion.

Aspect 5: The method of any of aspect 4, further comprising: transmitting, to the base station, a UE capability message indicating a data rate capability of the UE for the first CC, wherein the data rate limit is based at least in part on the data rate capability of the UE.

Aspect 6: The method of any of aspects 4 through 5, further comprising: determining a third data rate limit associated with the downlink shared channel for the first CC based at least in part on a second number of symbols for the second transmission occasion.

Aspect 7: The method of any of aspects 4 through 6, further comprising: determining a respective data rate for each of the first and second transmission occasions based at least in part on the second data rate limit for the first CC, wherein the first CC is configured with an enhanced downlink shared channel processing time.

Aspect 8: The method of any of aspects 4 through 7, further comprising: determining a respective data rate for each of the first and second transmission occasions based at least in part on the second data rate limit for the first CC, wherein the downlink shared channel is a retransmission of a second downlink shared channel.

Aspect 9: The method of aspect 8, wherein determining the respective data rate comprises: determining the respective data rate for each of the first and second transmission occasions based at least in part on a modulation and coding scheme.

Aspect 10: The method of any of aspects 8 through 9, further comprising: determining a TBS based at least in part on the second downlink shared channel.

Aspect 11: The method of any of aspects 8 through 10, wherein the second data rate limit for the first CC is half of a data rate capability of the UE for the first CC, wherein the first transmission occasion and the second transmission occasion are non-overlapping in frequency.

Aspect 12: The method of any of aspects 1 through 11, wherein receiving the downlink control message comprises: receiving the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, wherein the first transmission occasion and the second transmission occasion are non-overlapping in time.

Aspect 13: The method of any of aspects 1 through 12, wherein receiving the downlink control message comprises: receiving the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, wherein the first transmission occasion and the second transmission occasion are non-overlapping in frequency.

Aspect 4: The method of any of aspects 1 through 3, further comprising: receiving, from the base station, a message indicating a TCI state for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

Aspect 14: The method of any of aspects 1 through 13, further comprising: receiving, from the base station, a message indicating a configuration for the first CC used for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

Aspect 15: The method of any of aspects 1 through 14, wherein the second data rate limit for the first CC is half of the data rate capability of the UE for the first CC, wherein the first transmission occasion and the second transmission occasion are non-overlapping in frequency.

Aspect 16: The method of any of aspects 1 through 15, further comprising: transmitting, to the base station, a UE capability message indicating a data rate capability of the UE for the plurality of CCs including the first CC, wherein the data rate limit is based at least in part on the data rate capability of the UE.

Aspect 17: A method for wireless communications at a base station, comprising: receiving, from a UE, a UE capability message indicating a data rate capability of the UE for a plurality of CCs including a first CC; and transmitting, to the UE, a downlink control message that schedules a first repetition and a second repetition of a transport block for a downlink shared channel in the first CC of the plurality of CCs based at least in part on the data rate capability of the UE, wherein the first repetition is scheduled in a first transmission occasion of a plurality of transmission occasions associated with the downlink shared channel and the second repetition is scheduled in a second transmission occasion of the plurality of transmission occasions associated with the downlink shared channel.

Aspect 18: The method of aspect 17, further comprising: transmitting, to the UE, a message indicating a TCI state for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

Aspect 19: The method of any of aspects 17 through 18, wherein transmitting the downlink control message comprises: transmitting the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, wherein the first transmission occasion and the second transmission occasion are non-overlapping in time.

Aspect 20: The method of any of aspects 17 through 19, wherein transmitting the downlink control message comprises: transmitting the downlink control message indicating the first transmission occasion and the second transmission occasion for the transport block, wherein the first transmission occasion and the second transmission occasion are non-overlapping in frequency.

Aspect 21: The method of any of aspects 17 through 20, further comprising: transmitting, to the UE, a message indicating a configuration for the first CC used for transmission of the first repetition and the second repetition of the transport block for the downlink shared channel.

Aspect 22: The method of any of aspects 17 through 21, further comprising: receiving, from the UE, the UE capability message indicating the data rate capability of the UE for the first CC, wherein a data rate limit is based at least in part on the data rate capability of the UE.

Aspect 27: An apparatus for wireless communications at a base station, comprising at least one means for performing a method of any of aspects 17 through 22.