Abstract: A wireless communication method includes receiving, in an RRC_CONNECTED state, an RRC release message including first information and second information, the first information including at least one LCP restriction, the second information including one or more CG configurations; transitioning from the RRC_CONNECTED state to the RRC_INACTIVE state in response to the RRC release message; determining that data from an LCH corresponding to the at least one LCP restriction becomes available for UL transmission; determining whether to transmit the data in the RRC_INACTIVE state according to whether any of the one or more CG configurations meets the at least one LCP mapping restriction; and in a case that a CG configuration of the one or more CG configurations meets the at least one LCP mapping restriction, transmitting the data through a set of PUSCHs determined by the CG configuration of the one or more CG configurations.

Abstract: A wireless communication method and a User Equipment (UE) for Random Access (RA) operations are provided. The wireless communication method includes receiving, from a Base Station (BS), a Radio Resource Control (RRC) reconfiguration message including information related to a reconfiguration with synchronization, the information including a Contention Free Random Access (CFRA) configuration for 2-step Random Access (RA), the CFRA configuration configuring a resource and a maximum number of Message-A (MSGA) preamble transmissions; initiating an RA procedure, with an RA type set to a 2-step RA type, for the reconfiguration with synchronization; and discarding the resource in a case that a value of a preamble transmission counter reaches to the maximum number of MSGA preamble transmissions.

Abstract: A method related to random access (RA) and a user equipment (UE) are provided. The method includes: initiating a RA procedure; identifying the RA procedure is associated with a service; identifying the service is supported by a base station (BS); determining whether to perform a comparison with a reference signal received power (RSRP) threshold for determining a RA type of the RA procedure according to a resource configuration for the RA type; determining the RA type according to the resource configuration in response to the resource configuration being that a resource selected for the RA procedure is configured with merely one RA type associated with the service; and performing the comparison with the RSRP threshold for determining the RA type in response to the resource configuration being that the resource selected for the RA procedure is not configured with merely one RA type associated with the service.

Abstract: A method for a random access (RA) procedure performed by a user equipment (UE) having a specific access identity value is provided. The method comprises receiving a mapping table from a base station; transmitting a first RA preamble to the base station; receiving a random access response (RAR) including a backoff value; setting a resultant backoff value by multiplying the backoff value by a specific backoff multiplier corresponding to the specific access identity value in a case that the specific access identity value is included in the mapping table and an indication corresponding to the specific access identity value is not a specific value; setting the resultant backoff value to the backoff value in a case that the specific access identity value is not included in the mapping table; and transmitting a second RA preamble to the base station after a duration indicated by the resultant backoff value expires.

Abstract: A user equipment (UE) includes a processor coupled to the one or more non-transitory computer-readable media containing computer-executable instructions embodied therein. The processor is configured to execute the computer-executable instructions to determine a transmission of a Medium Access Control (MAC) protocol data unit (PDU) using a first uplink (UL) resource associated with a first configured grant (CG) configuration has not been successfully performed, the first UL resource being associated with a first hybrid automatic repeat request (HARQ) process, and the MAC PDU being obtained for the first HARQ process; receive a second CG configuration associated with a second UL resource for another transmission, the second UL resource being associated with a second HARQ process; and transmit the MAC PDU on the second UL resource when it is determined that the second UL resource is suitable for transmitting the MAC PDU.

Abstract: A method for a user equipment (UE) performing a beam failure recovery (BFR) procedure is disclosed. The method comprises performing a first beam failure detection (BFD) procedure on a first cell, performing a second BFD procedure on a second cell, triggering a first BFR procedure for a first cell in response to a beam failure being detected on the first cell by the first BFD procedure, triggering a second BFR procedure for a second cell in response to a beam failure being detected on the second cell by the second BFD procedure, and canceling the triggered first BFR procedure for the first cell in response to a BFR report corresponding to at least one of the first and second BFR procedures being successfully transmitted to a base station (BS), wherein the BFR report includes BFR information of the first cell.

Abstract: A method by a user equipment (UE) for Message A (MsgA) transmission in a two-step Random Access (RA) procedure is provided. The method includes receiving, from a base station (BS), a Physical Random Access Channel (PRACH) configuration including sets of PRACH preambles, each set of PRACH preambles being associated with a feature or feature combination; receiving, from the BS, a first MsgA Physical Uplink Shared Channel (PUSCH) configuration associated with the PRACH configuration; receiving, from the BS, a second MsgAPUSCH configuration associated with a specific set of PRACH preambles; determining a first PRACH preamble associated with a specific feature or feature combination from the sets of PRACH preambles; determining a MsgA PUSCH corresponding to the first PRACH preamble depending on whether the first PRACH preamble is within the specific set of PRACH preambles; and transmitting, to the BS, the first PRACH preamble and the MsgA PUSCH.

Abstract: An RRC connection resume method of a wireless communication system is provided. An RRC suspend message is received by a UE from a first base station. An RRC resume procedure is performed by the UE with a second base station in response to the RRC suspend message. An RRC resume response is received by the UE from the second base station.

Abstract: A method and a User Equipment (UE) for small data transmission are provided. The method includes receiving a Radio Resource Control (RRC) release message; measuring at least one Downlink (DL) Reference Signal (RS) to obtain a measurement result; selecting a particular Configure Grant (CG) resource for small data transmission according to the measurement result; determining whether a Timing Advance (TA) value for the particular CG resource is valid for small data transmission according to (i) an amount of Reference Signal Received Power (RSRP) change of a DL RS associated with the particular CG resource and (ii) whether a TA-related timer is running; and performing small data transmission on the particular CG resource after determining that the TA value is valid.

Abstract: A base station (BS) that includes one or more non-transitory computer-readable media storing computer-executable one or more instructions, and at least one processor coupled to the one or more non-transitory computer-readable media is provided. The at least one processor is configured to execute the computer-executable instructions to cause the BS to transmit a dynamic grant to a user equipment (UE) for scheduling a first uplink (UL) resource and a second UL resource, and receive a first Medium Access Control (MAC) protocol data unit (PDU) from the UE via the second UL resource in a case that transmission of the first MAC PDU to the BS via the first UL resource has failed and the second UL resource is available for transmitting the first MAC PDU. The first UL resource starts before the second UL resource in time domain, and the second UL resource is indicated for a new transmission.

Abstract: A method for wireless communication performed by a user equipment (UE) is provided. The method includes: receiving, from a base station (BS), a radio resource control (RRC) message that includes a first configuration indicating a first parameter associated with a first bandwidth part (BWP) and a second configuration indicating a second parameter associated with a second BWP; receiving, from the BS, downlink control information (DCI) having a DCI format, the DCI indicating either a data reception or a data transmission on a BWP, and the DCI including a field indicating a hybrid automatic repeat request (HARQ) process number to be applied by the UE for the data reception or the data transmission; determining whether a bit length of the field is fixed or variable according to the DCI format; and in a case that the bit length of the field is variable, determining the bit length of the field according to one of the first parameter and the second parameter that is associated with the BWP.

Abstract: A method and a User Equipment (UE) for performing a small data transmission are provided. The method includes receiving a Radio Resource Control (RRC) release message; transitioning to an RRC_INACTIVE state in response to receiving the RRC release message; measuring at least one Downlink (DL) Reference Signal (RS) to obtain a measurement result; selecting a particular Configure Grant (CG) resource for the small data transmission according to the measurement result; determining whether a Timing Advance (TA) value for the particular CG resource is valid for small data transmission according to (i) an amount of Reference Signal Received Power (RSRP) change of a particular DL RS associated with the particular CG resource, the particular DL RS being one of the at least one DL RS, and (ii) whether a TA-related timer is running; and performing the small data transmission on the particular CG resource after determining that the TA value is valid.

Abstract: A method for SCell BFR performed by a UE is provided. The method includes: receiving a first SCell BFR configuration corresponding to a first SCell, the first SCell BFR configuration including at least one of a resource list for BFD and a resource list for NBI; detecting a beam failure condition in the first SCell by measuring at least one BFD reference signal; determining a first new candidate beam index for the first SCell based on the first SCell BFR configuration; and transmitting a beam failure recovery request that includes a cell index of the first SCell in which beam failure occurs and the determined first new candidate beam index.

Abstract: A method performed by a UE is provided. The method includes receiving a first DCI format for scheduling at least one HARQ-ACK codebook in at least one first PUCCH in at least one first slot; receiving a second DCI format in a second slot, the second DCI format (i) for scheduling a retransmission of the HARQ-ACK codebook in a second PUCCH and (ii) indicating a first slot offset; and transmitting the first HARQ-ACK codebook scheduled in one of the at least one first slot via the second PUCCH. If the first slot offset is a positive value, the first slot is determined by counting backward a number of slots indicated by the first slot offset from the second slot. If the first slot offset is a negative value, the first slot is determined by counting forward the number of slots indicated by the first slot offset from the second slot.

Abstract: A method related to physical uplink control channel (PUCCH) cell switching and a user equipment (UE) are provided. The method includes: receiving a radio resource control (RRC) message from a base station; determining a PUCCH cell from the first cell and the second cell according to at least one PUCCH cell pattern; and transmitting the PUCCH transmission on the PUCCH cell during the time resource units. The RRC message includes at least one PUCCH cell pattern associated with multiple cell indexes and a first subcarrier spacing (SCS) associated with a first cell and a second SCS associated with a second cell. Each cell index corresponds to a cell, and the PUCCH cell pattern indicates which cell corresponds to one time resource unit used for PUCCH transmission.

Abstract: A method by a UE for handling PDSCH reception includes receiving, from a BS, a first PDSCH configuration in a CFR configuration for a multicast PDSCH, a second PDSCH configuration in a BWP configuration for a unicast PDSCH, and first DCI scheduling the multicast PDSCH, the first PDSCH configuration including a first aperiodic resource set configuration, the second PDSCH configuration including a resource configuration and a second aperiodic resource set configuration, the resource configuration for configuring one or more ZP CSI-RS resources, and the first DCI including a first field for triggering a first aperiodic ZP CSI-RS; and determining, based on the first field, a first ZP CSI-RS resource set, which is not available for reception of the multicast PDSCH, from a first list of ZP CSI-RS resource sets configured by the first aperiodic resource set configuration. The resource configuration is absent in the first PDSCH configuration.

Abstract: A method by a UE for performing a random access procedure is provided. The method comprises transmitting a MSGA, monitoring a MSGB-RNTI within a MSGB window starting from an earliest symbol of an earliest PDCCH occasion after the MSGA transmission, receiving the MSGB in a first slot, the MSGB including a success RAR that contains a HARQ Feedback Timing Indicator, a Physical Uplink Control Channel (PUCCH) Resource Indicator, and a UE Contention Resolution Identity, determining, by a MAC entity, to instruct a lower layer to transmit a HARQ feedback in a second slot in response to the reception of the success RAR, delivering, by the MAC entity, the HARQ Feedback Timing Indicator and the PUCCH Resource Indicator to the lower layer, and performing, by the lower layer, a HARQ feedback delivery on an uplink (UL) resource.

Abstract: A method includes receiving, through RRC signaling from a base station, indicating a dormancy cell group having at least a first serving cell and a second serving cell, receiving a first indicator indicating a dormant behavior to the first serving cell is to be activated when the first serving cell is activated, receiving a second indicator indicating a dormant behavior to the second serving cell is to be deactivated when the second serving cell is activated. The method also includes receiving a cell activation indication to activate the first serving cell and the second serving cell, activating the first serving cell and the second serving cell, applying the dormant behavior to the first serving cell based on the first indicator when the first serving cell is activated, and not applying the dormant behavior to the second serving cell based on the second indicator when the second serving cell is activated.

Abstract: A method and a user equipment (UE) for handling a survival time state are provided. The method includes: receiving a Packet Data Convergence Protocol (PDCP) configuration for indicating that a Data Radio Bearer (DRB) associated with a PDCP entity supports a survival time state functionality, the PDCP entity being associated with at least two Radio Link Control (RLC) entities; receiving an Uplink (UL) grant for retransmission of a Medium Access Control (MAC) Protocol Data Unit (PDU), the MAC PDU including data from the DRB; entering the survival time state for the DRB upon receiving the UL grant; and activating a PDCP duplication for the PDCP entity during the survival time state.

Abstract: A method for handling a Random Access (RA) procedure in a Bandwidth Part (BWP) switching operation is provided. The method includes: receiving a configuration of a first BWP through Radio Resource Control (RRC) signaling from a Base Station (BS); initiating an RA procedure on the first BWP; receiving, during the RA procedure on the first BWP, Downlink Control Information (DCI) indicating a BWP switching from the first BWP to a second BWP; determining whether to switch to the second BWP in response to receiving the DCI; and in a case that the UE determines to switch to the second BWP: stopping the RA procedure that is ongoing on the first BWP; determining, after stopping the RA procedure, whether the second BWP is configured with an RA resource; and initiating, after determining that the second BWP is not configured with the RA resource, a new RA procedure on an initial BWP.