Abstract: Embodiments of the present disclosure relate to methods and apparatuses for sidelink (SL) positioning. According to an embodiment of the present disclosure, a first user equipment (UE) can include: a processor configured to perform an SL positioning procedure with a second UE; a transmitter coupled to the processor and configured to transmit an abort message to abort the SL positioning procedure to the second UE; and a receiver coupled to the processor. The processor is further configured to abort the SL positioning procedure in response to transmitting the abort message.

Abstract: Embodiments of the present application relate to methods and apparatuses for a primary secondary cell (PSCell) switch procedure in a multi-radio dual connectivity (MR-DC) scenario under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method can be performed by a user equipment (UE) in a MR-DC scenario and can include: transmitting capability information of the UE to a network, wherein the capability information indicates that the UE supports a PSCell switch procedure to switch from a source PSCell to a target PSCell; receiving configuration information from the network; performing the PSCell switch procedure based on the received configuration information, to switch from the source PSCell to the target PSCell; and transmitting information regarding the target PSCell to the network.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for end-to-end flow control. According to an embodiment of the present disclosure, a method includes: determining whether congestion happens at an IAB node; and transmitting a message to a donor node in response to determining that the congestion happens at the IAB node, wherein the message comprises at least one of: (1) a first message indicating the congestion associated with a radio link control channel; or (2) a second message indicating the congestion associated with a parent node of the IAB node.

Abstract: Methods and apparatuses for support of UL SDT during MT SDT are disclosed. A method performed by a terminal device in a non Radio Resource Control (RRC)_CONNECTED state with a network device comprises receiving a paging for Mobile Terminating (MT) Small Data Transmission (SDT) from the network device; and determining whether to stop the MT SDT or not when uplink (UL) data expected to be transmitted by an Mobile Originating (MO) SDT arrives before the MT SDT completes.

Abstract: A method and a remote unit are disclosed. According to one embodiment, a method at remote unit, comprising: receiving packets from upper layer, mapping the packets to QoS flow, determining SLRB configuration corresponding to the QoS flow, establishing SLRB for the QoS flow with a peer remote unit based on the SLRB configuration, mapping the QoS flow to the SLRB, and transmitting the QoS flow with the SLRB to the peer remote unit.

Abstract: Methods and apparatuses for are data transmission in DL SDT disclosed. A network device comprises a processor, and a transceiver coupled to the processor, wherein the processor is configured to: determine whether radio link problem occurs during downlink (DL) small data transmission (SDT) to a terminal device that supports an Radio Resource Control (RRC) non-CONNECTED state; and transmit, via the transceiver, to another network device that has the context of the terminal device, an indication of occurrence of the radio link problem if the occurrence of the radio link problem is determined, or an indication of occurrence or non-occurrence of the radio link problem if a request for the indication is received, via the transceiver, from the other network device.

Abstract: The present disclosure relates to methods and apparatuses for wireless communication. According to some embodiments of the disclosure, a method includes: receiving a first configuration message from a first RAN associated with a first SIM of a UE, wherein the first configuration message indicates a first value of a timer for leaving a connected state without a network response; determining to switch from the first RAN to a second RAN associated with a second SIM of the UE and leave the connected state in the first RAN; transmitting a UE assistant information message to the first RAN; and starting the timer according to the first value in response to the transmission of the UE assistant information message. According to some embodiments of the disclosure, a method for releasing a gap configuration is provided.

Abstract: The present application relates to a method and an apparatus for determining a failure type. One embodiment of the present disclosure provides a method performed by a user equipment (UE), which includes: performing a first listen before talk (LBT) procedure before transmitting an access message for a handover procedure; determining first LBT information and/or first handover failure (HOF) information when a HOF occurs; and transmitting the first LBT information and/or the first HOF information to a serving node of the UE.

Abstract: The present application relates to methods and apparatuses for handling failure.

Abstract: A method and apparatus for indicating slot format information is disclosed. The method comprising: t receiving a RRC (radio resource control) signaling indicating a time domain starting position of a slot format information and determining the time domain starting position based on the RRC signaling.

Abstract: Embodiments of the present disclosure relate to a method and apparatus for adding secondary node (SN) for an unmanned aerial vehicle (UAV). According to an embodiment of the present disclosure, a method can include: receiving location information of an UAV severed by a master node (MN); and transmitting an air beam preparation request for preparing an air beam for the UAV to a first set of candidate SNs with the location information of the UAV, wherein each of the first set of candidate SNs is connected to the MN via a network interface. Embodiments of the present disclosure can meet high QoS requirements in UAV use cases in NR.

Abstract: Embodiment of the present application is directed to a method and apparatus for slot format indication. According to an embodiment of the present application, the method includes receiving at least one signal indicating one of: whether at least one symbol at a beginning of a sequence of consecutive symbols transmitted or received over a communication link is reserved or is to be reserved, and whether at least one symbol at an end of the sequence of consecutive symbols transmitted or received over the communication link is reserved or is to be reserved. The at least one uplink transmission is performed based on the received signal in response to the communication link being associated with an uplink transmission. The at least one downlink reception is performed based on the received signal in response to the communication link being associated with downlink reception.

Abstract: Embodiments of the present disclosure provide a solution for operating radio bearers. According to embodiments of the present disclosure, a terminal device monitors a plurality of data packets transmitted from a network device on a radio bearer. If a reception of at least one data packet in the plurality of data packets is failed, the terminal device is able to discard the at least one data packet without requesting retransmission. The network device determines whether a retransmission condition for the at least one data packet is unfulfilled. If the retransmission condition is unfulfilled, the retransmission of the at least one data packet is skipped.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses of selecting a carrier for a sidelink multi-carrier operation in 3GPP (3rd Generation Partnership Project) 5G networks.

Abstract: Embodiments of the present application relate to a method and apparatus for packet duplication. According to an embodiment of the present application, a method may include: determining whether to enable or disable a packet duplication associated with one or more quality of service (QOS) flows mapped into sidelink radio bearers (SLRBs) based on a duplication determination rule; and in response to determining to enable a packet duplication, performing the packet duplication.

Abstract: Embodiments of the present application relate to methods and apparatuses for a mobility robustness optimisation (MRO) mechanism. According to an embodiment of the present application, a UE includes a processor and a wireless transceiver coupled to the processor; and the processor is configured: to store information including distance information associated with a distance between the UE and a reference location, wherein the information is at least one of radio link failure (RLF) related information, handover failure related information, or handover success related information; and to transmit the information via the wireless transceiver to a network node.

Abstract: Methods and apparatuses for timing advance in multi-panel TX scenario are disclosed. A user equipment (UE) comprises a processor; and a transceiver coupled to the processor, wherein the processor is configured to: receive, via the transceiver, information relating to multiple timing advances (TAS) for uplink transmission to a network, wherein each TA is associated with a link associated with a cell of the network; and determine each TA from the information received via the transceiver, for performing uplink transmission to one or more cells of the network.

Abstract: Disclosed are methods and apparatuses for sidelink positioning. An embodiment of the subject application provides a user equipment (UE). The UE includes: a processor, and a wireless transceiver coupled to the processor, wherein the processor is configured to determine one or more candidate sidelink (SL) anchor UEs and select at least one anchor UE for SL positioning from the one or more candidate SL anchor UEs.

Abstract: Disclosed are methods and apparatuses for sidelink positioning. An embodiment of the subject application provides a user equipment (UE). The UE includes: a processor, and a wireless transceiver coupled to the processor, wherein the processor is configured to determine whether a maximum uplink (UL) transmission (TX) timing difference is exceeded during UL transmission; and via the wireless transceiver, stop or suspend UL transmission on a first link in response to the determination that the maximum UL TX timing difference is exceeded, wherein the UE supports maintenance of multiple time alignments (TAs) or multiple timing advance values or multiple timing adjustment amounts.

Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving at a base station, assistant information for reestablishing a link for at least one access node associated with an integrated access and backhaul node.