Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE initiates a first Early Data Transmission (EDT) in RRC_INACTIVE state. Responsive to initiating the first EDT, the UE initiates a Random Access (RA) procedure in a cell configured with a normal uplink (NUL) carrier and a supplementary uplink (SUL) carrier. The UE selects the SUL carrier or the NUL carrier for performing the RA procedure based on at least one of whether there are one or more available Physical Random Access Channel (PRACH) resources for EDT on the SUL carrier or whether there are one or more available PRACH resources for EDT on the NUL carrier.

Abstract: A method and apparatus are disclosed from the perspective of a first network node served by a second network node. In one embodiment, the method includes the first network node performs a transmission to the second network node with a timing advance, wherein the timing advance is set to transmission delay between the first network node and the second network node or is set to the transmission delay with a timing reduction.

Abstract: Methods, systems, and apparatuses are provided for deriving cell reference location in a wireless communication system. A method for a UE in the wireless communication system can comprise receiving information of a first reference location of a cell, receiving an assistance information associated with the cell, deriving and/or acquiring a second reference location of the cell based on at least the assistance information, and using the second reference location of the cell to evaluate a location-based event or measurement.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE initiates a Random Access (RA) procedure. The UE selects, from multiple carriers, a carrier for the RA procedure based on a measured Reference Signal Received Power (RSRP). The UE determines, based on the measured RSRP, whether or not to use a Physical Random Access Channel (PRACH) resource, associated with Message 3 (Msg3) repetition, for Message 1 (Msg1) transmission of the RA procedure, wherein the determination is performed after the selecting the carrier.

Abstract: A method and apparatus are disclosed from the perspective of a UE (User Equipment) with a first USIM (Universal Mobile Telecommunications System Subscriber Identity Module) and a second USIM. In one embodiment, the method includes the UE transmitting, to a first network node associated with the first USIM, a message carrying information related to a signaling activity between the UE and a second network node associated with the second USIM.

Abstract: Methods and apparatuses for transmission or reception using beamforming in a wireless communication system are disclosed herein. In one method, a user equipment receives a second signal indicating a first information. The UE derives at least one specific UE beam based on the first information. The UE uses the at least one specific UE beam to receive or transmit at least one transmission, in which the at least one transmission is periodic channel state indication, scheduling request, and/or scheduling information for downlink assignment or uplink resource.

Abstract: A method and device are disclosed from the perspective of a UE (User Equipment). In one embodiment, the method includes the UE receiving a first signaling to configure a preconfigured uplink resource (PUR) to be used in a cell. The method further includes the UE determining whether to use the PUR in the cell at least based on whether a timing advance is valid, wherein whether the timing advance is valid is based on a difference between a first measurement result and a second measurement result, and wherein the first measurement result is not a cell measurement quantity of the cell.

Abstract: Methods and apparatuses for transmission or reception using beamforming in a wireless communication system are disclosed herein. In one method, a user equipment provides information related to a combination of UE beams to a network node, wherein UE beams in the combination can be generated by the UE at the same time. The UE receives, from the network node, a scheduling information for a transmission or a reception. The UE generates one or more UE beams in the combination to perform the transmission or the reception.

Abstract: A method and apparatus are disclosed from the perspective of a UE (User Equipment) with a first USIM (Universal Mobile Telecommunications System Subscriber Identity Module) and a second USIM. In one embodiment, the method includes the UE transmitting, to a first network node associated with the first USIM, a message carrying information related to a signaling activity between the UE and a second network node associated with the second USIM.

Abstract: Methods and apparatuses are provided for a User Equipment (UE) to determine the value of a parameter, such as a timeToTrigger, a reportOnLeave, a useWhiteCellList, etc., when the measurement reporting procedure is associated with multiple triggering events. For example, a UE can receive a measurement configuration comprising a combined triggering condition of a first triggering event and a second triggering event, trigger a first measurement report in response to fulfilment of an entering condition of the first triggering event and an entering condition of the second triggering event, and trigger a second measurement report in response to fulfilment of one of a leaving condition of the first triggering event and a leaving condition of the second triggering event, if at least a first parameter for the first triggering event or for the second triggering event is set to TRUE.

Abstract: A method and apparatus are disclosed from the perspective of a first network node. In one embodiment, the method includes the first network node transmitting a second transmission to a UE (User Equipment) in at least a first symbol of a first TTI (Transmission Time Interval). The method further includes the first network node transmitting a first transmission to a second network node in at least a second symbol of a second TTI, wherein the first TTI is TTI-level aligned to the second TTI and the first symbol is at least partially overlapped with the second symbol in time domain.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE) configured with bundled transmission, the UE initializes a configured uplink grant. The UE performs a plurality of transmissions within a bundle of a Medium Access Control Protocol Data Unit (MAC PDU) using the configured uplink grant. The UE stops a Discontinuous Reception (DRX) timer in response to a first transmission of the plurality of transmissions, wherein the DRX timer is not stopped in response to one or more second transmissions of the plurality of transmissions. When the DRX timer is running, the UE monitors a downlink control channel for an uplink grant for retransmission.

Abstract: Methods and apparatuses for a User Equipment (UE) to monitor the Physical Downlink Control Channel (PDCCH) appropriately in order to reduce power consumption and perform Contention Resolution for a Random Access (RA) procedure in a Non-Terrestrial Network (NTN). The UE can perform a Msg3 transmission during a RA procedure in a NTN and start a RA contention resolution timer in the first symbol after the end of the Msg3 transmission plus a timing offset. In response to expiry of the RA contention resolution timer, the UE determines whether to consider Contention Resolution not successful based on at least whether the RA contention resolution timer expires during a time duration of the timing offset after a Msg3 retransmission.

Abstract: A method for a wireless communications system is disclosed. In one example, a user equipment (UE) (e.g. a mobile phone), receives an indication from a network about one or more UE beams that the UE can use for transmission or reception. The UE uses the one or more UE beams for transmission or reception. If and when a certain condition is fulfilled, for example, there is a beam tracking failure, the UE transmits or receives a specific signal via a specific UE beam. The specific UE beam is different from the one or more UE beams that were indicated by the network, and is selected by the UE.

Abstract: A method and apparatus are disclosed from the perspective of a User Equipment (UE), wherein the UE is configured with multiple Bandwidth Parts (BWPs). In one embodiment, the method includes the UE receiving information from a network node to associate a RACH (Random Access Channel) configuration with a BWP among the multiple BWPs. The method further includes that the UE performing a RACH transmission in the BWP using the RACH configuration associated with the BWP.

Abstract: Methods and apparatuses for transmission or reception using beamforming in a wireless communication system are disclosed herein. In one method, a user equipment provides information related to a combination of UE beams to a network node, wherein UE beams in the combination can be generated by the UE at the same time. The UE receives, from the network node, a scheduling information for a transmission or a reception. The UE generates one or more UE beams in the combination to perform the transmission or the reception.

Abstract: A method and apparatus are disclosed from the perspective of a first network node. In one embodiment, the method includes the first network node transmitting a second transmission to a UE (User Equipment) in at least a first symbol of a first TTI (Transmission Time Interval). The method further includes the first network node transmitting a first transmission to a second network node in at least a second symbol of a second TTI, wherein the first TTI is TTI-level aligned to the second TTI and the first symbol is at least partially overlapped with the second symbol in time domain.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE receives a configuration, of a logical channel, associated with 2-step Random Access (RA) procedure. The UE triggers a Regular Buffer Status Report (BSR) for the logical channel. The UE determines whether to initiate a first 2-step RA procedure or to initiate a first 4-step RA procedure based on the configuration of the logical channel.

Abstract: Methods and apparatuses for selecting beam for preconfigured uplink resources in a wireless communication system are disclosed herein. In one method, a user equipment (UE) receives, from a network node, a signaling to configure at least one Preconfigured Uplink Resource (PUR) associated with one or more beams from multiple beams. The UE selects a first beam from the multiple beams and performs a transmission of data in RRC_INACTIVE state using the at least one PUR via the first beam if the first beam fulfills at least one condition, wherein the at least one condition comprises that the first beam is associated with the at least one PUR and Reference Symbol Received Power (RSRP) of the first beam is better than a first threshold. The UE initiates a Random Access (RA) procedure and performs the transmission during the RA procedure if no beam of the multiple beams fulfills the at least one condition.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE initiates a Random Access (RA) procedure. The UE selects, from multiple carriers, a carrier for the RA procedure based on a measured Reference Signal Received Power (RSRP). The UE determines, based on the measured RSRP, whether or not to use a Physical Random Access Channel (PRACH) resource, associated with Message 3 (Msg3) repetition, for Message 1 (Msg1) transmission of the RA procedure, wherein the determination is performed after the selecting the carrier.