Provided is a method by which a first apparatus performs wireless communication and an apparatus for supporting the method. The method comprises the steps of: receiving, from a base station, information related to a sidelink (SL) bandwidth part (BWP); receiving, from the base station, information related to an uplink (UL) BWP; receiving, from the base station, information related to an SL resource and information related to a UL resource for reporting a hybrid automatic repeat request (HARQ) feedback; transmitting, on the basis of the SL resource within the SL BWP, data in which the HARQ feedback has been disabled to a second apparatus through a physical sidelink shared channel (PSSCH); generating an ACK related to the transmission of the data in which the HARQ feedback has been disabled; and transmitting, to the base station, the ACK on the basis of the UL resource within the UL BWP.

A method performed by a UE for implementing a random access procedure is provided. The method transmits a MSGA, monitoring an MSGB-RNTI within an MSGB time window starting from an earliest symbol of an earliest PDCCH occasion after the MSGA transmission. The method receives the MSGB in a first slot. The MSGB includes a success RAR that contains a HARQ Feedback Timing Indicator, a Physical Uplink Control Channel (PUCCH) Resource Indicator, and a UE Contention Resolution Identity. The method determines, by a MAC entity of the UE, to instruct a lower layer to transmit a HARQ feedback in a second slot in response to the reception of the success RAR. The method delivers, by the MAC entity, the HARQ Feedback Timing Indicator and the PUCCH Resource Indicator to the lower layer, and performs, by the lower layer, a HARQ feedback delivery on an uplink (UL) resource.

The present disclosure provides a method for transmitting a HARQ-ACK and a communication device. The method includes: in a case that there is an overlap between a PUCCH resource carrying an eMBB HARQ-ACK and an eMBB PUSCH resource in a time domain, in response to determining, before a predetermined moment that, there is an overlap between the PUCCH resource carrying an URLLC HARQ-ACK and the eMBB PUSCH resource in the time domain while there is no overlap between the PUCCH resource carrying the URLLC HARQ-ACK and the PUCCH resource of the eMBB HARQ-ACK in the time domain, the eMBB HARQ-ACK on the PUCCH resource of the eMBB HARQ-ACK is transmitted, wherein the predetermined moment is an earlier one of a time domain start moment of the eMBB PUSCH resource and a time domain start moment of the PUCCH resource carrying the eMBB HARQ-ACK.

A user equipment generates an HARQ-ACK codebook comprising HARQ-ACK bits for semi-persistent scheduling (SPS) physical downlink shared channels (PDSCHs) based on multiple SPS configurations, and transmits the HARQ-ACK codebook. In the HARQ-ACK codebook, with respect to an SPS configuration index and a serving cell index, an HARQ-ACK bit for an SPS PDSCH in a slot of a lower slot index precedes an HARQ-ACK bit for an SPS PDSCH in a slot of a higher slot index, and with respect to each serving cell index, an HARQ-ACK bit for an SPS PDSCH based on an SPS configuration having a lower SPS configuration index precedes an HARQ-ACK bit for an SPS PDSCH based on an SPS configuration having a higher SPS configuration index.

A terminal includes a receiver configured to receive a response related to retransmission control from another terminal, via a first channel used for transmitting and receiving the response related to retransmission control; a controller configured to receive, from a base station, information representing a first offset in time domain from the first channel to a second channel, the second channel being used for transmitting the received response related to retransmission control to the base station; and a transmitter configured to transmit the received response related to retransmission control to the base station, via the second channel, wherein the controller determines a position of the second channel in time domain based on: the first offset; and a second offset that is applied to a position of the first channel in time domain, and that is used to determine a starting point of the first offset.

A terminal includes a controller configured to identify a resource that is included in a time domain in which a first channel used for transmitting a response related to retransmission control is allocated, and that is included in a frequency domain that is not used for transmitting the first channel; and a transmitter configured to transmit a second channel or a signal by using the resource.

A user equipment (UE) and a base station may utilize downlink control information (DCI) based beam indication to switch beams for wireless communications. The base station may transmit and the UE may receive on a control beam for a control resource set (CORESET), a downlink control information (DCI) that includes a transmission configuration indicator (TCI) and schedules a transmission between the UE and the base station. The UE and the base station may communicate the scheduled transmission. The UE and the base station may determine an acknowledgment of the DCI based on the scheduled transmission. The UE and the base station may switch the control beam for the CORESET based on the TCI after a time offset from the acknowledgment.

A communication method and an apparatus includes a network device sends first information to a terminal device, so that the terminal device can determine a HARQ feedback manner based on the first information, where the HARQ feedback manner includes skipping ACK feedback and/or NACK feedback. In this manner, the network device controls the HARQ feedback manner used by the terminal device, so that the terminal device can be flexibly controlled to use different HARQ feedback manners in different scenarios, to adapt to a service constraint, effectively reduce power consumption of the terminal device, and save air interface resources.

This application provides a communication method and apparatus. One example method includes, obtaining, by a terminal device, a first frequency domain resource and a second frequency domain resource, wherein the first frequency domain resource and the second frequency domain resource are independently configured, and the second frequency domain resource comprises a control-resource set (CORESET) 0 and an initial bandwidth part (BWP); and receiving, by the terminal device, first information, wherein the first information is used to schedule a downlink data channel, the first information comprises frequency domain resource assignment information, wherein the frequency domain resource assignment information indicates a frequency domain resource of the downlink data channel within a range of the first frequency domain resource, and the first information is scrambled by using a group-radio network temporary identifier (G-RNTI) this application.

This disclosure relates to methods and devices for managing transmission or retransmission on shared spectrum channel in a wireless communication network. In one implementation, the method may include determining if an uplink grant is deprioritized by a uplink shared channel transmission on a shared spectrum channel. The method may further include determining if a media access control (MAC) data packet has been generated for the deprioritized uplink grant. The method may further include, in response to the uplink grant being deprioritized and the MAC data packet being generated for the deprioritized uplink grant, performing a retransmission of the MAC data packet with an available uplink grant.