Abstract: A method for a Conditional Primary Secondary Cell Group (SCG) Cell (PSCell) Change (CPC) procedure performed by a master node is provided. The method includes receiving, from a user equipment (UE), a UE capability report indicating that the UE supports conditional reconfiguration for a PSCell change; transmitting, to the UE, a first conditional reconfiguration for changing from a source PSCell to a target PSCell in an SCG portion of a radio resource control (RRC) reconfiguration message, the first conditional reconfiguration including a configuration of the target PSCell and an execution condition; and receiving, from the UE, a response message after the first conditional reconfiguration is applied by the UE. The first conditional reconfiguration enables the UE to evaluate the execution condition, and apply the configuration of the target PSCell and synchronize to the target PSCell after the execution condition is evaluated as satisfied.

Abstract: A method performed by a wireless communication device includes determining whether to transmit a first Sidelink Synchronization Signal (SLSS) according to a priority parameter when an occasion of the first SLSS collides with a Physical Sidelink Feedback Channel (PSFCH) that carries Sidelink Feedback Control Information (SFCI). The priority parameter is associated with a Physical Sidelink Shared Channel (PSSCH) that corresponds to the PSFCH.

Abstract: A method of performing cell selection or reselection by a user equipment (UE) in a radio resource control (RRC) idle mode or an RRC inactive mode is disclosed. The method comprises determining whether a white list is received from a serving cell, wherein the white list includes at least one cell identity, each of the at least one cell identity identifying a cell on at least one of an intra-frequency and an inter-frequency corresponding to a frequency that the serving cell is on, in response to the UE determining that the white list is received from the serving cell, performing a measurement on at least one cell associated with the at least one cell identity according to the white list, and selecting or reselecting a cell according to the measurement, the cell indicated only by the at least one cell identity in the white list.

Abstract: A method for providing system information (SI) by a base station in a wireless communication network is disclosed. The SI includes minimum SI and at least one other SI block. The method includes broadcasting the minimum SI having an area identification (ID) and at least one value tag, and receiving a radio resource control (RRC) message requesting the at least one other SI block from a user equipment (UE) when the area ID is different from a stored area ID on the UE or when the value tag is different from a stored value tag on the UE.

Abstract: A method for a conditional Primary Secondary Cell Group (SCG) Cell (PSCell) change (CPC) procedure performed by a user equipment (UE) is provided. The method includes: receiving, from a master node, a conditional reconfiguration for changing from a source PSCell to a target PSCell in an SCG portion of a radio resource control (RRC) reconfiguration message, the conditional reconfiguration including a configuration of the target PSCell and an execution condition; evaluating the execution condition; applying the configuration of the target PSCell and synchronizing to the target PSCell after determining that the execution condition is satisfied; and transmitting, to the master node, a response message after determining that the conditional reconfiguration is applied.

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 for multicast service data reception is provided. The method determines whether a first PDCCH addressed to a first RNTI is received on a first BWP. Whena BWP inactivity timer is configured, a default BWP is configured, and the first BWP is not the default BWP, the method (re)starts the BWP inactivity timer after determining that the first PDCCH is received on the first BWP, and switches to the default BWP when the BWP inactivity timer expires. When the BWP inactivity timer is configured, the default BWP is not configured, and the first BWP is not an initial BWP, the method (re)starts the BWP inactivity timer after determining that the first PDCCH is received on the first BWP, and switches to the initial BWP when the BWP inactivity timer expires.

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.

Abstract: A method for wireless communication includes transmitting, by a User Equipment (UE) in a Radio Resource Control (RRC) Inactive (RRC_Inactive) state, at least one packet to a base station, and receiving, by the UE in the RRC_Inactive state, an acknowledgement or non-acknowledgement (ACK/NACK) message from the base station in response to the at least one packet transmitted by the UE.

Abstract: Apparatus and method for performing beam failure recovery in a wireless communication system are provided. The method performed by a User Equipment (UE) includes receiving, from a base station, a first bandwidth part (BWP) configuration corresponding to a first BWP, a second BWP configuration corresponding to a second BWP, and a BWP inactivity timer; determining whether a BFR procedure is triggered; when determining that the BFR procedure is triggered: stopping the BWP inactivity timer and performing BWP switching from the first BWP to the second BWP.

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: Some of the present implementations provide a method for a user equipment (UE) for receiving a power saving signal. The method receives, from a base station, a power saving signal comprising a minimum applicable K0 (K0min) that indicates a minimum scheduling offset restriction between a physical downlink control channel (PDCCH) and a physical downlink shared channel (PDCCH). The method determines an application delay based on a predefined value. The method then applies the minimum scheduling offset restriction after the application delay.

Abstract: A method of determining one or more PSFCH resources for HARQ feedback in sidelink communication for a first UE is provided. The method receives, from a second UE, a first SCI for scheduling a first PSSCH transmission and a second SCI for scheduling a second PSSCH transmission. The method determines priorities of a first HARQ feedback corresponding to the first PSSCH transmission and a second HARQ feedback corresponding to the second PSSCH transmission according, respectively, to the first SCI and the second SCI. The method transmits a PSFCH for at least one of the first HARQ feedback and the second HARQ feedback with a higher priority according to the determined priorities to the second UE when a first PSFCH resource for the first HARQ feedback and a second PSFCH resource for the second HARQ feedback are overlapped at least in the time domain.

Abstract: A user equipment (UE) includes one or more non-transitory computer-readable media having computer-executable instructions embodied thereon, at least one processor coupled to the one or more non-transitory computer-readable media, and configured to execute the computer-executable instructions to: determine, before selecting a cell, whether the cell is non-campable for the UE based on barred cell (cellBarred) status information received through system information from the cell, the cell connected to a first core network and not connected to a second core network; and perform cell selection of another cell after it is determined that the cell is non-campable for the UE based on the cellBarred status information; wherein the cellBarred status information comprises information regarding the first core network and information regarding a plurality of Public Land Mobile Networks (PLMNs) operating the first core network.

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 performed by the UE are provided. The method includes transitioning from a radio resource control (RRC) inactive (RRC_INACTIVE) state to an RRC idle (RRC_IDLE) state upon determining that the UE has failed to find a suitable cell and camped on an acceptable cell; and discarding a radio access network (RAN) notification area (RNA) configuration that comprises at least one of a list of tracking area identities (IDs) or a list of RAN area IDs in response to the transitioning from the RRC_INACTIVE state to the RRC_IDLE state. The acceptable cell fulfills a minimum set of requirements to initiate an emergency call and to receive one or more Earthquake & Tsunami Warning System (ETWS) and Commercial Mobile Alert System (CMAS) notifications. The suitable cell provides normal services. The acceptable cell provides limited services.

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 method for acquiring system information (SI) performed by a user equipment (UE) is provided. The method includes performing a first set of operations after determining that the UE is in a radio resource control (RRC)_CONNECTED state with an active bandwidth part (BWP) not configured with a common search space (CSS) with a field searchSpaceOtherSystemInformation; and performing a second set of operations after determining that the UE is in the RRC_CONNECTED state with the active BWP configured with the CSS with the field searchSpaceOtherSystemInformation. The first set of operations includes: transmitting a first RRC message to request a required system information block (SIB) and starting a timer; and receiving, from the cell, an RRCReconfiguration message including the required SIB. The second set of operations includes: transmitting the first RRC message to request the required SIB and starting the timer; and monitoring the CSS to acquire the required SIB.

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.