Abstract: A method for a User Equipment (UE) for performing uplink transmissions for Random Access (RA) is provided. The method receives, from a base station, at least one configuration indicating a first threshold and initiates an RA procedure. The method determines whether to perform Multiple Physical Random Access Channel (PRACH) (MP) transmissions based on, at least, a comparison between a measurement result and the first threshold. The method then selects a PRACH resource configured for the MP transmissions in response to determining that the MP transmissions are to be performed. Performing the MP transmissions includes transmitting, repeatedly, an RA preamble, on the PRACH resource configured for the MP transmissions, before the UE begins monitoring a Physical Downlink Control Channel (PDCCH) for receiving a Random Access Response (RAR) that corresponds to the RA preamble.

Abstract: A method for a base station (BS) instructing a UE to monitor a physical downlink control channel (PDCCH) for power saving signaling is disclosed. The method comprises transmitting a discontinuous reception (DRX) configuration to the UE indicating to monitor a scheduling signal on the PDCCH within a DRX active time, and transmitting a configuration to the UE for monitoring the power saving signaling on the PDCCH, instructing the UE to wake up for monitoring the scheduling signal in the DRX active time, wherein the configuration includes a time in milliseconds prior to a start of a DRX on-duration time, and instructs the UE to start monitoring the PDCCH for the power saving signaling.

Abstract: A method performed by a user equipment (UE) for transmission (Tx) chain switching between multiple bands is provided. The method receives, from a base station (BS), a first radio resource control (RRC) configuration for uplink (UL) Tx chain switching. The method performs a first UL transmission using a first Tx chain on a first band and a second Tx chain on a second band. The method receives downlink control information (DCI) scheduling a second UL transmission on a third band. The method then performs first UL Tx chain switching based on the first RRC configuration and the second UL transmission. The second UL transmission is a 1-port transmission. The first UL Tx chain switching includes switching the first Tx chain to be on the third band and maintaining the second Tx chain on the second band.

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.

Abstract: A method for a user equipment (UE) performing a handover procedure is disclosed. The method includes receiving a handover command from a network, in a case that a first information related to an offset time is included in the handover command, performing the handover procedure based on the handover command after the offset time, and in a case that a second information related to a configured area is included in the handover command, performing the handover procedure based on the handover command when the UE locating within the configured area.

Abstract: A method performed by a User Equipment (UE) for handling timing alignment is provided. The method receives, from a Base Station (BS), a first Radio Resource Control (RRC) message for configuring a Time Alignment Timer (TAT). The method receives, from the BS, a second RRC message for configuring at least one of a cell Discontinuous Transmission (DTX) operation or a cell Discontinuous Reception (DRX) operation. In a case that at least one of the cell DTX operation or the cell DRX operation is configured and the TAT expires, the method considers the UE to be uplink synchronized with the BS and forgoes performing a procedure for handling an out-of-sync condition related to the expiration of the TAT.

Abstract: Uplink transmission performed by a UE is provided. The UE receives configured grant (CG) configurations for allocating a group of Physical Uplink Shared Channel (PUSCH) durations in a bandwidth part (BWP), each configured grant configuration having a priority level corresponding to the allocated PUSCH duration, wherein at least two of the PUSCH durations in the group overlap in a time domain; identifies a set of PUSCH durations for transmitting a medium access control (MAC) protocol data unit (PDU) generated from available data from the group of PUSCH durations; selects a PUSCH duration from the identified set of PUSCH durations as a prioritized PUSCH duration based on a comparison of the priority levels corresponding to the identified set of PUSCH durations; and transmits the MAC PDU, via the transceiver, on the prioritized PUSCH duration.

Abstract: A method performed by a UE for an mTRP-based operation is provided. The method receives, from a serving cell, a serving cell configuration including a first TAG ID associated with a first PCI of the serving cell and a second TAG ID associated with a second PCI of a non-serving cell. The method receives, from the serving cell, DCI for initiating an RA procedure, the DCI including a field indicating that a PRACH is associated with the first TAG ID or the second TAG ID. The method then transmits, based on the field, the PRACH to the serving cell or the non-serving cell.

Abstract: A method performed by a User Equipment (UE) for Network Energy Saving (NES) is provided. The method receives, from a Base Station (BS), a Radio Resource Control (RRC) message including an NES configuration. The method then determines whether to apply a cell Discontinuous Transmission (DTX) operation, a cell Discontinuous Reception (DRX) operation, or both the cell DTX operation and the cell DRX operation based on the NES configuration.

Abstract: Some of the present implementations provide a method for a user equipment (UE) for receiving a power saving signal. The UE receives, from a base station, a first power saving signal that includes a minimum scheduling offset restriction between a physical downlink control channel (PDCCH) and a physical uplink shared channel (PUSCH). The UE receives a first downlink control information (DCI) that includes a second power saving signal for activating the minimum scheduling offset restriction. The UE determines an application delay indicating a time duration between receiving the second power saving signal and applying the minimum scheduling offset restriction based on a predefined value. The UE applies the minimum scheduling offset restriction to a first scheduling offset between the PDCCH and the PUSCH transmission after the application delay.

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. When a 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 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 base station (BS) and a method for system information (SI) modification procedure are provided. The method includes transmitting, to a user equipment (UE), downlink control information (DCI) with a cyclic redundancy check (CRC) scrambled by a paging radio network temporary identifier (P-RNTI), the DCI including an SI modification bit and a public warning system (PWS) notification bit. The DCI enables the UE to perform an SI acquisition procedure in a case that the SI modification bit is set. The DCI enables the UE to acquire at least one of an earthquake and tsunami warning system (ETWS) notification and a commercial mobile alert system (CMAS) notification immediately after the UE determines that the PWS notification bit is set.

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

Abstract: A method for a base station (BS) instructing a UE to monitor a physical downlink control channel (PDCCH) for power saving signaling is disclosed. The method comprises transmitting a discontinuous reception (DRX) configuration to the UE indicating to monitor a scheduling signal on the PDCCH within a DRX active time, and transmitting a configuration to the UE for monitoring the power saving signaling on the PDCCH, instructing the UE to wake up for monitoring the scheduling signal in the DRX active time, wherein the configuration includes a time in milliseconds prior to a start of a DRX on-duration time, and instructs the UE to start monitoring the PDCCH for the power saving signaling.

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 (PDSCH). 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 for uplink transmission performed by a UE is provided. The method includes: receiving a first configured grant configuration that allocates a first PUSCH duration; receiving a second configured grant configuration that allocates a second PUSCH duration, wherein the second PUSCH duration overlaps with the first PUSCH duration; obtaining a first HARQ process ID for the first PUSCH duration, then determining whether a first configured grant timer associated with the first HARQ process ID is running; obtaining a second HARQ process ID for the second PUSCH duration, then determining whether a second configured grant timer associated with the second HARQ process ID is running; and selecting one of the first PUSCH duration and the second PUSCH duration for an uplink transmission based on whether the first configured grant timer is running and whether the second configured grant timer is running.

Abstract: A wireless communication system for performing communication and computing includes a plurality of cells configured to perform the communication between at least one user equipment and at least one network; and an Artificial Intelligence (AI) computing platform comprising a plurality of AI slices to perform the computing, wherein the plurality of cells are located in air, space, sea, or land.

Abstract: A system information transmission method is provided. The system information transmission method includes the following steps. A first preamble for system information request is transmitted by a UE to a base station. When an acknowledgement message from the base station is not received, the first preamble for system information request is retransmitted by the UE to the base station. When the acknowledgement message from the base station is received, system information is received by the UE from the base station.