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 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 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 for SCell BFR performed by a BS is provided. The method includes: receiving, from a UE, a BFR MAC CE that includes a cell index of an SCell for which a beam failure is detected, and a reference signal index for the SCell, the BFR MAC CE is transmitted, by the UE, via a UL transmission associated with a HARQ process having a HARQ process ID; and transmitting, to the UE, DCI that schedules a PUSCH transmission with the HARQ process ID of the HARQ process that is used for the UL transmission of the BFR MAC CE, the DCI indicating a toggled NDI value, wherein the UE is configured to: determine, upon receiving the DCI, that the SCell BFR procedure is successfully completed; and monitor, on the SCell, a PDCCH using antenna port quasi-colocation parameters associated with the reference signal index after receiving the DCI.

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 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 user equipment (UE) and a method for frame-based equipment (FBE) operation in an unlicensed band are provided. The method includes receiving, from a base station (BS), a first parameter indicating a first periodicity of a fixed frame period (FFP) used when the BS acts as an initiating device for the FBE operation; and receiving, from the BS, a second parameter indicating a second periodicity of the FFP used when the UE acts as the initiating device for the FBE operation.

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.

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 method of listen before talk (LBT) recovery procedure for a user equipment (UE) is provided. The method comprises performing an LBT failure detection procedure for a serving cell, triggering the LBT recovery procedure for the serving cell in response to detecting consistent uplink (UL) LBT failures in a first bandwidth part (BWP) on the serving cell according to the LBT failure detection procedure, where the LBT recovery procedure includes triggering an LBT failure procedure for determining the first BWP as an invalid BWP, and cancelling the triggered LBT recovery procedure for the serving cell in response to confirming a predefined condition in the UE.

Abstract: A user equipment and a method for activating a physical uplink control channel (PUCCH) spatial relation are provided. The method includes receiving, from a base station (BS), a medium access control (MAC) control element (CE) including a first field and a second field, the first field indicating an identifier (ID) of a specific PUCCH spatial relation to be activated or deactivated, the second field indicating an ID of a specific PUCCH resource; applying the MAC CE to all PUCCH resources in a specific PUCCH group that includes the specific PUCCH resource in a case that the MAC CE is identified by a first LCID; and applying the MAC CE to the specific PUCCH resource in a case that the MAC CE is identified by a second LCID.

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: Some of the present implementations provide a method for a base station (BS) for performing a random access (RA) procedure. The method includes transmitting, to a UE, a system information block (SIB) including a two-step RA configuration with a reference signal received power (RSRP) threshold, the SIB further indicating whether switching an RA procedure from a two-step type to a four-step type by the UE is allowed; and transmitting, to the UE, a four-step RA configuration, wherein: the UE determines whether a detected RSRP exceeds the received RSRP threshold once the RA procedure is triggered, and performs the RA procedure using the two-step type after determining that the detected RSRP exceeds the received RSRP threshold.

Abstract: A base station (BS) and a method for wireless communication are provided. The method includes transmitting a first radio resource control (RRC) configuration that configures a radio link monitoring configuration that includes a beam failure detection (BFD) timer and a beam failure indication (BFI) count threshold. The first RRC configuration enables a user equipment (UE) to: start or restart the BFD timer by a medium access control (MAC) entity of the UE each time a BFI is received from a lower layer; and initiate a beam failure recovery (BFR) procedure upon determining that the number of the received BFIs is greater than or equal to the BFI count threshold. The method further includes transmitting a second RRC configuration that reconfigures the radio link monitoring configuration. The second RRC configuration enables the UE to set the BFI counter to zero in response to receiving the second RRC configuration.

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 for random access (RA) performed by a user equipment (UE) is provided. The method includes receiving a first beam failure recovery configuration of an uplink (UL) bandwidth part (BWP); initiating a first RA procedure for notifying a base station of a beam failure occurrence in a serving cell when a number of beam failure instances is larger than or equal to a threshold; receiving a second beam failure recovery configuration of the UL BWP before completion of the first RA procedure; stopping the first RA procedure upon receiving the second BFR configuration of the UL BWP; and initiating a second RA procedure for notifying the base station of the beam failure occurrence regardless of a number of beam failure instances received after stopping the first RA procedure.

Abstract: A logical channel data packet transmission method for a user equipment (UE) is provided. The UE includes a processor configured to perform the following instructions. A packet data control protocol (PDCP) packet data unit (PDU) is duplicated to generate a first PDCP PDU and a second PDCP PDU in a PDCP entity. The first PDCP PDU is transmitted to a first radio link control (RLC) bearer. The second PDCP PDU is transmitted to a second RLC bearer. A first RLC PDU is generated in response to the first PDCP PDU in the first RLC bearer. A second RLC PDU is generated in response to the PDCP PDU in the second RLC bearer. The first RLC PDU and the second RLC PDU are received in a medium access control (MAC) entity associated to the first and second RLC bearers.

Abstract: A method of a physical uplink shared channel (PUSCH) repetition performed by a user equipment (UE) is disclosed. The method comprises receiving, from a base station (BS), a configuration for a first PUSCH transmission, in case a Radio Resource Control (RRC) message including information to configure a slot-based repetition operation for the first PUSCH transmission is received from the BS, not receiving, from the BS, an RRC message including information to configure a non-slot based repetition operation for a second PUSCH transmission during the first PUSCH transmission with the slot-based repetition operation, and in case an RRC message including information to configure a non-slot based repetition operation for the second PUSCH transmission is received from the BS, not receiving, from BS, an RRC message including information to configure a slot-based repetition operation for the first PUSCH transmission during the second PUSCH transmission with the non-slot based repetition operation.

Abstract: A user equipment and a method for a 2-step random access (RA) procedure are provided. The method includes performing a first Listen-Before-Talk (LBT) procedure on a Physical Random Access Channel (PRACH) occasion for transmitting a preamble of a message A (MSGA), performing a second LBT procedure on a Physical Uplink Shared Channel (PUSCH) occasion for transmitting a payload of the MSGA, the payload including a Cell-Radio Network Temporary Identifier (C-RNTI) Medium Access Control (MAC) Control Element (CE), monitoring Physical Downlink Control Channel (PDCCH) candidates for a first random access response (RAR) identified by a message B (MSGB)-Radio Network Temporary Identifier (RNTI) in a MSGB window, and determining whether to monitor the PDCCH candidates for a second RAR identified by the C-RNTI in the MSGB window based on whether the second LBT procedure is successful.