Abstract: A method of acquiring timing advance (TA) for neighbor cells to reduce latency and interruption for inter-cell mobility is proposed. A UE is configured with a set of active cells for fast cell-switching. A neighbor cell in the active set is likely to be UE’s target cell. To reduce handover interruption, the UE acquires and maintains the TA corresponding to the cells in the active set. The UE performs early RACH for potential target cells and obtains the TA of the potential target cells. Once the UE receives handover command indicating one of the active cells as target cell, the UE can complete the handover without performing RACH again.

Abstract: A method and apparatus for determining a BFD RS are provided. The method includes receiving at least one MAC CE for TCI state activation, each MAC CE indicating a CORESET and at least one TCI state, at least a subset of the indicated TCI state(s) belonging to a first group of TCI states associated with a first TRP; and performing first operations after determining that a total number of TCI states included in the first group of TCI states is larger than a first threshold number, the first operations including: selecting at least one first TCI state from the first group of TCI states; and determining at least one first BFD RS for detecting a first beam failure condition of the first TRP based on the at least one first TCI state.

Abstract: A method of configuring a set of active cells among neighboring cells to reduce latency and interruption for inter-cell mobility is proposed. The set of active cells is an active set of cells among which UE can do fast cell switching. The set of active cells is configured by the network based on UE measurement report or network deployment information. UE maintains the configuration and can perform pre-synchronization to the configured active cells in downlink (DL) only or in both DL and uplink (UL). UE maintains the DL/UL synchronization with the active cells, and applies configuration once UE is indicated to switch to an active cell as the target cell. Because UE maintains the configuration and DL/UL timing of the target cell before receiving the cell-switch command, the mobility latency and interruption time for inter-cell mobility is reduced.

Abstract: A method performed by a base station (BS) is provided. The method transmits, to a user equipment (UE), a radio resource control (RRC) message that carries a configuration for a configured downlink (DL) transmission on a first DL channel and a configured uplink (UL) transmission on a UL channel. In a case a timing condition between the first DL channel and a second DL channel is satisfied, the method transmits, to the UE, the second DL channel; cancels the configured DL transmission on the first DL channel; and cancels the configured UL transmission on the UL channel. The UL channel includes a physical uplink control channel (PUCCH) for a hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback.

Abstract: A method of acquiring timing advance (TA) for neighbor cells to reduce latency and interruption for inter-cell mobility is proposed. A UE is configured with a set of active cells for fast cell-switching. To reduce handover interruption, UE performs early RACH for potential target cells and obtains the TA of the potential target cells. In one novel aspect, for overhead reduction, a single RACH preamble may be received by multiple cells. Using a single RACH preamble, UE acquires TA for multiple cells, aiming at reducing the interruption due to RACH during handover. In another novel aspect, UE reports DL reception timing difference between the serving cell and the neighbor cell, and then adjust the TA for the neighbor cell accordingly.

Abstract: A user equipment (UE) and a method for multicast/broadcast services (MBS) are provided. The method includes receiving, from a base station (BS), a Radio Resource Control (RRC) message that indicates a search space dedicated for the MBS; and monitoring MBS Downlink Control Information (DCI) for MBS-related control information in a control resource set (CORESET) in the search space dedicated for the MBS. The MBS DCI includes a DCI format with cyclic redundancy check (CRC) scrambled by a Radio Network Temporary Identifier (RNTI) related to the MBS.

Abstract: A beam failure recovery (BFR) procedure is proposed. The network node may allocate one or more New-Beam-Identification Reference-Signal (NBI-RS) resource sets for a user equipment (UE) and report the allocated NBI-RS resource sets to the UE, wherein the NBI-RS resource sets may be associated with a serving Transmission and Reception Point (TRP) and at least one candidate TRP. The UE may perform a beam failure detection (BFD) procedure to determine whether a beam failure happens, perform a New Beam Identification (NBI) procedure based on the NBI-RS resource sets allocated by the network nodel, and perform a recovery procedure to a serving TRP or a candidate TRP to reduce the latency of conventional recovery procedure.

Abstract: A new beam identification method is proposed. The UE determines whether a quality of at least one NBI-RS resource associated with a serving Transmission and Reception Point (TRP)is larger than or equal to a first threshold. The UE determines whether a quality of at least one NBI-RS resource associated with at least one candidate TRP is larger than or equal to a second threshold. The UE selects a new beam for a recovery procedure based on determining results associated with the serving TRP and the at least one candidate TRP.

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 at least one SL-DRX configuration and a plurality of SL resource pool configurations to be configured on the first UE; performing partial sensing based on at least one of the plurality of SL resource pool configurations when an SL-DRX operation is performed based on the at least one SL-DRX configuration, each of at least one SL resource pool configured by the at least one of the plurality of SL resource pool configurations comprising one or more time slots; and performing SL-CBR measurement associated with each of the at least one SL resource pool in the one or more time slots where the partial sensing is performed.

Abstract: A method by a user equipment (UE) includes receiving a radio resource control (RRC) configuration carrying a configuration for a first downlink (DL) channel and an uplink (UL) channel, receiving the first DL channel and a second DL channel, and canceling the UL channel when a timing condition between the first DL channel and the second DL channel is satisfied.

Abstract: A method of fabricating a semiconductor device is described. A plurality of fins is formed over a substrate. Dummy gates are formed patterned over the fins, each dummy gate having a spacer on sidewalls of the patterned dummy gates. Recesses are formed in the fins using the patterned dummy gates as a mask. A passivation layer is formed over the fins and in the recesses in the fins. The passivation layer is patterned to leave a remaining passivation layer only in some of the recesses in the fins. Source and drain regions are epitaxially formed only in the recesses in the fins without the remaining passivation layer.

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

Abstract: A method performed by a UE is provided. The method includes receiving DCI on a PDCCH from a BS, the DCI indicating a PDSCH; receiving a MAC CE command on the PDSCH; determining, according to the DCI, whether a HARQ ACK feedback for a data reception on the PDSCH is needed to be transmitted; and applying, after determining that the HARQ ACK feedback is needed to be transmitted, the MAC CE command after a first slot identified by a first value of n+K0+K1+Np+M, where n is an index of a slot in which the DCI is received, K0 and K1 are slot offsets, Np indicates an approximated delay determined by a TA value, and M indicates a processing delay.

Abstract: Aspects of the disclosure provide a method of beam failure handling. The method can include performing beam quality measurement of one or more beams transmitted from a base station (BS) at a user equipment (UE) in a beamformed wireless communication system, determining a beam failure occurs based on the beam quality measurement, and performing a beam recovery process that includes at least one of a contention-free beam recovery process or a contention-based beam recovery process. The one or more beams are used for transmitting physical downlink control channels (PDCCHs).

Abstract: A method of uplink transmission for a user equipment (UE) is disclosed. The method comprises receiving, from a base station (BS), a threshold; determining at least one uplink grant according to the threshold; performing a payload transmission on the at least one uplink grant while the UE is in an RRC inactive state; and not transmitting only padding bits for the payload transmission on the uplink grant.

Abstract: A method performed by a user equipment (UE) is provided. In the method, one or more first resource pool configurations for one or more sidelink transmission resource pools are received. Each first resource pool configuration includes a partial sensing indication of whether to perform partial sensing on a corresponding sidelink transmission resource pool in a Sidelink Discontinuous Reception (SL-DRX) inactive time. The SL-DRX inactive time is determined based on a set of SL-DRX configurations stored in the UE. In the method, the partial sensing is performed, based on the partial sensing indication of each first resource pool configuration, on the corresponding sidelink transmission resource pool while the UE is implementing sidelink packet transmission.

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 beam management performed by a UE is provided. The method includes: receiving a DCI format in a first BWP based on a first QCL assumption specific to the first BWP, the DCI format scheduling a PDSCH reception in a second BWP; receiving an RRC configuration that includes a plurality of candidate TCI states associated with a serving cell in which the PDSCH is scheduled; receiving a MAC CE that indicates a subset of the plurality of candidate TCI states for activation in the second BWP; determining a second QCL assumption specific to the second BWP based on one TCI state in the subset; and receiving the PDSCH in the second BWP based on the second QCL assumption.