Abstract: A method performed by a User Equipment (UE) includes receiving, through Radio Resource Control (RRC) signaling from a Base Station (BS), an indication indicating a dormancy cell group having at least a first serving cell and a second serving cell, receiving, through Physical Layer (PHY) signaling from the BS, a signal associated with a specific Downlink Control Information (DCI) format indicating a dormant behavior applicable to all serving cells in the dormancy cell group, wherein the signal indicates the dormant behavior via a single bit, applying the dormant behavior to the first serving cell and the second serving cell when the signal indicates that the dormant behavior is to be activated, and not applying the dormant behavior to the first serving cell and the second serving cell when the signal indicates that the dormant behavior is to be deactivated.

Abstract: 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.

Abstract: A user equipment (UE) includes one or more non-transitory computer-readable media containing computer-executable instructions embodied therein, and at least one processor coupled to the one or more non-transitory computer-readable media. The at least one processor is configured to execute the computer-executable instructions to receive a dynamic grant for scheduling a first uplink (UL) resource, determine whether to obtain a first Medium Access Control (MAC) protocol data unit (PDU) for transmission using the first UL resource or to transmit a second MAC PDU before obtaining the first MAC PDU, and transmit the second MAC PDU using the first UL resource when the first UL resource is suitable for transmitting the second MAC PDU.

Abstract: A method for a UE for performing a HARQ feedback operation for an SPS transmission is disclosed.

Abstract: A user equipment (UE) and a method for small data transmission (SDT) are provided. The method includes initiating an SDT procedure while the UE is in a Radio Resource Control (RRC) Inactive (RRC_INACTIVE) state; initiating a random access (RA) procedure before the SDT procedure is terminated; and determining whether to include a Cell-Radio Network Temporary Identifier (C-RNTI) Medium Access Control (MAC) Control Element (CE) in an uplink (UL) message during the RA procedure based on at least one condition. The at least one condition includes whether the SDT procedure corresponds to a Configured Grant (CG)-SDT procedure. The UL message is a message 3 (Msg3) in a case that the RA procedure is a 4-step RA procedure. The UL message is a message A (MsgA) in a case that the RA procedure is a 2-step RA procedure.

Abstract: A method and a user equipment (UE) for performing timing alignment is provided. The method includes receiving, from a Base Station (BS), a Timing Advance (TA) report configuration in System Information (SI); and transmitting, to the BS, a TA report based on the TA report configuration. The TA report configuration includes an indication for enabling or disabling the UE to transmit the TA report.

Abstract: A method for MBS acquisition is provided. The method includes receiving system information from a BS; determining a first CORESET configuration and a second CORESET configuration according to the system information, the first CORESET configuration determining a first set of CORESETs scheduling at least one MCCH, the second CORESET configuration determining a second set of CORESETs scheduling a plurality of MTCHs; receiving an MCCH message on the at least one MCCH provided through a first beam of a plurality of beams associated with the BS; and determining, according to the second CORESET configuration and the MCCH message, a plurality of MBS-specific CORESET groups in the second set of CORESETs, wherein each of the plurality of MBS-specific CORESET groups corresponds to a respective MBS session and includes at least two CORESETs configured to be provided through at least two different beams of the plurality of beams. A UE using the method is also provided.

Abstract: A method, a communication apparatus using the method, and a base station apparatus are disclosed. The method includes arranging user equipment to receive a downlink control channel signal associated with a physical downlink control channel; and configuring the user equipment to monitor the physical downlink control channel for control-resource set information. The control-resource set information corresponds to time and frequency resource allocation information related to the physical downlink control channel. The control-resource set information includes at least one parameter.

Abstract: A method for handling a Random Access (RA) procedure in the Bandwidth Part (BWP) switching operation includes: receiving, by a User Equipment (UE), Downlink Control Information (DCI) including a BWP switching indication via a Physical Downlink Control Channel (PDCCH) when the UE performs a first RA procedure on a first BWP; and performing, by the UE, at least one of a plurality of procedures in response to the BWP switching indication. The procedures include: stopping the first RA procedure on the first BWP and initiating a second RA procedure on a second BWP indicated by the BWP switching indication; and ignoring the BWP switching indication to continue with the first RA procedure.

Abstract: A method performed by a first base station (BS) in a secondary cell group (SCG) associated with a user equipment (UE) is provided. The method receives, from a second BS in a master cell group (MCG) associated with the UE, a request for a configuration for packet data convergence protocol (PDCP) data duplication. The method then generates a mapping configuration for the PDCP data duplication in the SCG after receiving the request. The method transmits, to the UE, the mapping configuration.

Abstract: A communication method and a User Equipment (UE) for operations with Bandwidth Part (BWP) switching are provided. The communication method is performed by a UE configured, by a Base Station (BS), with a serving cell and a dormancy group, the. The serving cell belongs to the dormancy group. The communication method includes activating a dormant BWP as an activated BWP for the serving cell; receiving, from the BS, one of a first indication for BWP switching for the serving cell and a second indication for BWP switching for the dormancy group; switching the activated BWP for the serving cell, based on one of the first indication and the second indication, from the dormant BWP to a non-dormant BWP; and triggering a first Power Headroom Reporting (PHR) upon switching the activated BWP for the serving cell from the dormant BWP to the non-dormant BWP.

Abstract: A method for a UE to monitor a PDCCH comprises receiving a first configuration from a base station to configure the UE with a first search space of the PDCCH, where the first search space is used for monitoring a scheduling signal used for indicating scheduling information, receiving a second configuration from the base station to configure the UE with a second search space of the PDCCH, wherein the second search space is used for monitoring a power saving signal used for indicating wake-up information associated with a DRX functionality, monitoring the first search space in response to the UE being in a DRX active time of the DRX functionality, wherein the DRX active time is a time during which the UE monitors the PDCCH, and not monitoring the second search space in response to the UE being in the DRX active time of the DRX functionality.

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 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 timing alignment is provided. The method comprises receiving, from a Base Station (BS), a first configuration indicating at least one of a scheduling offset, a common Timing Advance (TA), and satellite ephemeris information; receiving, from the BS, a second configuration indicating a TA offset for a TA variable; determining a UE-specific TA based on the satellite ephemeris information; determining a total TA based on at least one of the TA variable, the TA offset for the TA variable, the common TA, and the UE-specific TA; and starting, from a transmission by the UE, a time window after an additional time based on the total TA and the scheduling offset.

Abstract: A communication method performed by a UE includes the UE receiving a HARQ-ACK-less list from a BS, the HARQ-ACK-less list indicating at least one HARQ process in which a HARQ-ACK information transmission for a DL transmission is disabled, wherein the at least one HARQ process is indicated by including a set of HARQ process IDs in the HARQ-ACK-less list; receiving a first MAC CE on a PDSCH from the BS, the PDSCH being associated with a first HARQ process ID in the set of HARQ process IDs; and transmitting HARQ-ACK information for the PDSCH in response to receiving the first MAC CE irrespective of the reception of the HARQ-ACK-less list. A UE using such method is also provided.

Abstract: A method of HARQ process for MBS and a UE using the same method are provided. The method includes: receiving first DCI on a first PDCCH scrambled by a first RNTI, wherein the first DCI comprises a first NDI value and schedules a first downlink data reception corresponding to a HARQ process; receiving second DCI on a second PDCCH scrambled by a second RNTI, wherein the second DCI comprises a second NDI value and schedules a second downlink data reception corresponding to the HARQ process; identifying a first type of the first RNTI and a second type of the second RNTI; and determining, according to the first type and the second type, whether the first NDI value and the second NDI value are used for determining the second downlink data reception corresponds to an initial transmission or a retransmission of the first downlink data reception.

Abstract: A method for a BS for processing multiplexed UCI received from a UE is disclosed. The method includes grouping PUCCH resources for CSI and an SR with a low priority and PUCCH resources for a slot-based HARQ-ACK into a first group of PUCCH resources; grouping PUCCH resources for CSI and an SR with a high priority and PUCCH resources for a sub-slot based HARQ-ACK into a second group of PUCCH resources; determining a first set of PUCCH resources in a slot from the first group; obtaining first multiplexed UCI of a first PUCCH resource by a first UCI multiplexing procedure for UCI corresponding to the first set; determining a second set of PUCCH resources in a sub-slot of the slot from the second group; and obtaining second multiplexed UCI of a second PUCCH resource by a second UCI multiplexing procedure for UCI corresponding to the second set.

Abstract: A method of triggering a packet data convergence protocol (PDCP) status report performed by a user equipment (UE) is provided. The method includes receiving, from a network, a Data Radio Bearer (DRB) configuration that is associated with a first PDCP entity of the UE; receiving, from the network, a Multicast Broadcast Service Radio Bearer (MRB) configuration that is associated with a second PDCP entity of the UE; triggering, by the first PDCP entity, a first PDCP status report based on a first configuration of the first PDCP entity; and triggering, by the second PDCP entity, a second PDCP status report based on a second configuration of the second PDCP entity.

Abstract: A method for a UE for performing a dormant operation is provided. The method includes receiving, from a BS, an RRC configuration indicating a set of one or more dormancy cell groups, wherein a group of serving cells belongs to a specific dormancy cell group in the set of one or more dormancy cell groups; receiving, from the BS, a signal including a bitmap, each bit of the bitmap being associated with a respective dormancy cell group in the set of one or more dormancy cell groups; and switching, based on a bit in the bitmap that is associated with the specific dormancy cell group, active BWPs of all serving cells included in the group of serving cells to a dormant BWP or to a non-dormant BWP.