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.

Abstract: A method for LBT failure detection performed by a UE is provided. The method includes: receiving, by a MAC entity of the UE, an LBT failure indication from a lower layer for all UL transmissions; increasing an LBT failure counter when the MAC entity receives the LBT failure indication; determining an LBT failure event occurs when the LBT failure counter is greater than or equal to a threshold; and resetting the LBT failure counter after the MAC entity has not received the LBT failure indication for a time period.

Abstract: A method for a system information (SI) request procedure performed by a user equipment (UE) is provided. The method includes: receiving a system information block type 1 (SIB1) from a cell; transmitting, to the cell, a first message including a common control channel (CCCH) service data unit (SDU)that includes a radio resource control (RRC) SI request message; receiving, from the cell, a medium access control (MAC) control element (CE) including a UE contention resolution identity; and indicating, by a MAC entity of the UE, reception of an acknowledgment for the RRC SI request message to an RRC entity of the UE after determining that the UE contention resolution identity matches multiple consecutive bits, starting from the most significant bit (MSB), of the CCCH SDU. The SIB1 does not include information related to a Random Access (RA) resource specific to SI requested by the RRC SI request message.

Abstract: A method for a serving cell for signaling a communicating with a user equipment (UE) is described. The method may include transmitting, by the serving cell, a radio resource control (RRC) message to the UE. The RRC message may include a plurality of sets of parameters and a plurality of indices corresponding to the plurality of sets of parameters. The method may also include transmitting, by the serving cell, downlink control information (DCI) to the UE indicating an allocated resource block (RB) in a physical downlink shared channel (PDSCH) for the UE and an index corresponding to one of the plurality of sets of parameters to decode the allocated RB.

Abstract: A mobile communication device and a method performed by a mobile communication device are provided. The method includes receiving, from a device, a Radio Resource Control (RRC) connection reconfiguration message when a Signaling Radio Bearer 3 (SRB3) connection with a secondary node has not been established, the RRC connection reconfiguration message including Secondary Cell Group (SCG) information; and initiating establishing the SRB3 connection with the secondary node according to the RRC connection reconfiguration message.

Abstract: A method for a DRX operation is provided. The method includes receiving a first DCI indicating a first location in a first BWP for receiving DL data corresponding to a HARQ process and a second location in a second BWP for transmitting a HARQ feedback corresponding to reception of the DL data; receiving the DL data at the first location; transmitting the HARQ feedback at the second location; starting a first timer in a first symbol of the first BWP immediately after the HARQ feedback to indicate a first time period during which monitoring a PDCCH for the HARQ process is not required; and starting a second timer in a first symbol of the first BWP immediately after expiration of the first timer to indicate a second time period during which monitoring the PDCCH for receiving a second DCI indicating a retransmission of the DL data is required.

Abstract: A method and a User Equipment (UE) for performing uplink repetitions and a related base station (BS) are provided. The method includes a UE receiving a Reference Signal Received Power (RSRP) threshold from a Base Station (BS); initiating a 4-step Random Access (RA) procedure; performing a Downlink (DL) Reference Signal (RS) measurement to obtain an RSRP measurement result; and performing a Message 1 (Msg1) repetition operation and a Message 3 (Msg3) repetition request operation within the 4-step RA procedure after determining that the RSRP measurement result is equal to or less than the RSRP threshold.

Abstract: A system and a method of random access resource selection are provided. The method includes a target Base Station (BS) transmitting a first Synchronization Signal Block (SSB) to a User Equipment (UE), the first SSB associated with a first contention-free random access resource for the UE to transmit a random access preamble; the target BS transmitting a second SSB to the UE, the second SSB associated with a contention-based random access resource; and in a case that a first Synchronization Signal-Reference Signal Received Power (SS-RSRP) of the first SSB is not greater than an SS-RSRP threshold and a second SS-RSRP of the second SSB is greater than the SS-RSRP threshold, the target BS receiving the random access preamble from the UE using the contention-based random access resource.

Abstract: A method performed by a UE for wireless communications is provided. The method includes receiving first other system information from a base station, other system information including system information other than minimum system information broadcast by the base station; determining whether an SUL-related factor is present in the first other system information; transmitting an RRC system information request message to the base station in response to determining that the SUL-related factor is absent in the first other system information; and determining a minimum required received level based on the SUL-related factor in a case that the UE receives the SUL-related factor in second other system information from the base station; and determining a cell selection criterion based on the minimum required received level.

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 serving cell of a base station (BS) is provided. The method receives a measurement report from a user equipment (UE). The measurement report includes measurements associated with another cell. The method then transmits, to the UE, beam information based on the received measurements via a two-stage indication. The beam information includes at least a synchronization signal (SS) block bitmap having one or more SS block bits corresponding to one or more SS block indices for the another cell.

Abstract: A method and an apparatus for radio resource control (RRC) connection resume are provided. The RRC connection resume method, which is performed by user equipment (UE), includes: receiving an RRC suspend message including a Radio Access Network (RAN)-based Notification Area (RNA) update timer; transitioning to an RRC inactive state in response to receiving the RRC suspend message; triggering an RNA update procedure based on the RNA update timer during the RRC inactive state; and performing an RRC resume procedure according to the RRC suspend message.

Abstract: A method performed by a BS for configuring CSI reporting is provided. The method includes transmitting a CSI reporting configuration to a UE on a first BWP; transmitting a first BWP switch indication to the UE on the first BWP, the first BWP switch indication being used to request the UE to switch to a second BWP; transmitting a second BWP switch indication to the UE after the UE switches from the first BWP to the second BWP, the second BWP switch indication being used to request the UE to switch back to the first BWP; and receiving a CSI report from the UE based on the CSI reporting configuration, without providing any CSI reporting activation command to the UE after the UE switches back to the first BWP according to the second BWP switch indication. A BS using the same is also provided.

Abstract: A method and a User Equipment (UE) for performing uplink transmissions and a related base station (BS) are provided. The method includes a UE receiving a Physical Random Access Channel (PRACH) configuration indicating a plurality of parameters and a first set of PRACH resources from a base station, each of the plurality of parameters corresponding to a respective one of the first set of PRACH resources; initiating a Random Access (RA) procedure; selecting a first PRACH resource from the first set of PRACH resources to transmit an RA preamble for the RA procedure, the first PRACH resource corresponding to a first parameter of the plurality of parameters; and performing Multiple-PRACH (MP) transmissions on the first PRACH resource. The first set of PRACH resources is configured for the MP transmissions and the first number of times is determined by the first parameter.

Abstract: Some of the present implementations provide a method for a user equipment (UE) for performing a random access (RA) procedure. The method receives, at the UE, an RA configuration and a reference signal received power (RSRP) threshold. The method then determines whether a detected RSRP exceeds the RSRP threshold once the RA procedure is initiated. If the detected RSRP exceeds the RSRP threshold, the method performs a two-step RA procedure.

Abstract: A method for providing system information (SI) performed by a base station (BS) is provided. The method includes: broadcasting a system information block type 1 (SIB1) associated with a cell; receiving, from a user equipment (UE), a first message including a common control channel (CCCH) service data unit (SDU), the CCCH SDU including a radio resource control (RRC) SI request message; and transmitting, to the UE, a medium access control (MAC) control element (CE) including a UE contention resolution identity that matches a portion of the CCCH SDU. The MAC CE enables a MAC entity of the UE to indicate reception of an acknowledgment for the RRC SI request message to an RRC entity of the UE. The SIB1 does not include information related to a Random Access (RA) resource specific to SI requested by the RRC SI request message.

Abstract: A method performed by a BS for handling repetitions of transmissions is provided. The method includes transmitting an RRC configuration including a first parameter configured with a first value and a second parameter configured with at least one second value; and transmitting DCI on a PDCCH scheduling a PUSCH transmission. The DCI enables the UE to select one of the first parameter and the second parameter to determine a number of PUSCH repetitions; determine the number of PUSCH repetitions as the first value when the first parameter is selected; determine the number of PUSCH repetitions as one of the at least one second value indicated by the DCI when the second parameter is selected; and perform the PUSCH transmission for a number of times based on the number of PUSCH repetitions. A BS using the aforementioned method is also provided.

Abstract: A method for radio access network (RAN) based notification area (RNA) update for a radio resource control (RRC)_INACTIVE user equipment (UE) in an RRC_INACTIVE state is disclosed. The method includes receiving, by the RRC_INACTIVE UE in the RRC_INACTIVE state, a first list of RAN area identities (IDs) from a first cell; receiving, by the RRC_INACTIVE UE in the RRC_INACTIVE state, identification information broadcast by a second cell, the identification information including a RAN area ID of the second cell and a cell ID of the second cell; and transmitting, by the RRC_INACTIVE UE in the RRC_INACTIVE state, at least one of an inactive-radio network temporary identifier (I-RNTI) and a cell ID of the first cell to the second cell, after determining that the RAN area ID of the second cell does not belong to the first list of RAN area IDs.

Abstract: A method for a wireless device to establish an RRC connection with a network for accessing a network slice of the network is provided. The method receives, from the network, an access control parameter configuration of an access category associated with the network slice while the wireless device is in a Radio Resource Control (RRC) inactive state (RRC INACTIVE). The method then initiates a random access procedure for establishing the RRC connection with the network to access the network slice according to an access control indicator of the access control parameter configuration of the access category.

Abstract: A user equipment (UE) and a method for wireless communication are provided. The method includes receiving a first radio resource control (RRC) configuration, the first RRC configuration configuring a radio link monitoring configuration that includes a beam failure detection (BFD) timer and a beam failure indication (BFI) count threshold; starting or restarting the BFD timer by a medium access control (MAC) entity of the UE each time a BFI is received from a lower layer; counting a number of the received BFIs using a BFI counter; initiating a beam failure recovery (BFR) procedure upon determining that the BFI counter indicates a value greater than or equal to the BFI count threshold; and setting the BFI counter to zero when receiving a second RRC configuration that reconfigures the radio link monitoring configuration.