Abstract: Example embodiments of the present disclosure relate to UP transmission for a device in an inactive mode. A first network device transmits data received from a terminal device in an inactive mode via a connection established for the terminal device between the first network device and the second network device to a second network device, and transmits, to the second network device, a first indication indicating a termination of a data transmission related with the terminal device if a first condition is met. Through this solution, the connection established for the terminal device in the inactive mode between the first network device and the second network device to a second network device may be terminated suitable.

Abstract: Embodiments of the present disclosure relate to devices and methods of communication. In one aspect, a terminal device receives, from a serving cell, DCI triggering an RA procedure on a candidate cell in a set of candidate cells allowing LTM, and transmits, to the candidate cell, a preamble for the RA procedure. The terminal device performs a PDCCH monitoring on at least one of the serving cell or the candidate cell, and receives an RAR from the at least one of the serving cell or the candidate cell. In this way, an RA procedure is achieved for a candidate cell for LTM.

Abstract: Embodiments of the present disclosure provide a solution for supporting a successful handover report. In a method for communication, a terminal device receives, from a first network device providing a first cell, an indication that a handover of the terminal device from the first cell to a second cell of a second network device is to be performed. Then, the terminal device determines triggering information about a successful handover report of the handover based on a set of triggering conditions. The triggering information indicates whether the successful handover report is triggered for the handover. In this way, the successful handover report can be optionally triggered based on the set of triggering conditions, so that the terminal device may be limited to reporting a successful handover report when necessary, thereby saving processing resources and communication resources for unnecessary successful handover reports.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A terminal device receives, a paging message from a network device in a radio access network, the paging message comprising a first indication indicating that a MT-SDT is to be performed for the terminal device; and determines whether a random access based MT-SDT or a configured grant based MT-SDT is performed for the terminal device. In this way, a MT-SDT procedure can be performed.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media of communication. In one aspect, upon determination that a subsequent conditional cell change is to be performed from a source cell to a target cell, a terminal device performs a first set of procedures comprising at least one of the following: updating a security key associated with the target cell; performing PDCP re-establishment for a DRB and a SRB; or performing RLC re-establishment for the DRB and the SRB. In this way, UE behavior is clarified for support of selective activation of cell groups.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A network device transmits, to a terminal device, a configuration to be applied to enable a data transmission on a cell of a second network device based on a lower-layer signaling, the first network device being a secondary node or a master node. The terminal device stores the configuration in a variable of the terminal device dedicated for the data transmission. In this way, a L1/L2 based procedure may be enabled.

Abstract: Embodiments of the present disclosure provide an information determination method, apparatus, device, and computer-readable storage medium. The method includes: obtaining a sidelink channel measurement result, and determining a timer length of a target DRX timer according to the sidelink channel measurement result; or receiving indication information from a second terminal and determining the timer length of the target DRX timer according the indication information from the second terminal; the indication information being used to indicate the timer length of the target DRX timer; wherein the first terminal communicates with the second terminal through a sidelink.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A method of communication comprises generating, at a terminal device, information of a scheduling gap of the first network device, the first network device being associated with a first subscriber identity module of the terminal device and the second network device being associated with a second subscriber identity module of the terminal device; and transmitting the information of the scheduling gap to the first network device for requesting a switch from the first network device to a second network device without releasing a radio resource control connection with the first network device. Thereby, only traffic on a part of serving cells of the first network device is interrupted.

Abstract: A method for reporting a BSR is provided. The method includes: triggering the reporting of the BSR in the case that a triggering condition for reporting the BSR has been met; transmitting the BSR to a network device.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A network device transmits, to a terminal device, a configuration of bandwidth part for transmission of uplink data in an inactive state, the configuration comprising a configured grant. When the terminal device decides to transmit the uplink data in the inactive state, the terminal device determines the configured grant from the configuration of bandwidth part, and transmits, in the inactive state, the uplink data to the network device based on the configured grant. In this way, configuration grant based small data transmission can be enhanced.

Abstract: The present disclosure provides a model information reporting method, device and apparatus, and a storage medium. The method comprises: a terminal determining first information, the first information being used for indicating one or more artificial intelligence or machine learning (AI/ML) models, and the AI/ML models being used for downlink beam prediction; and sending the first information to a network device.

Abstract: The embodiments of the present disclosure provide a cell selection method, a broadcast message sending method, terminal and a network device, and the method includes: receiving, by a terminal, a broadcast message sent by a network device, where the broadcast message is used to indicate at least one of: whether the network device supports inter-RAT configuration, a mode of inter-RAT configuration supported by the network device, and a resource location of the inter-RAT configuration supported by the network device; performing, by the terminal, cell selection according to the broadcast message, and the cell selection is a cell selection or a cell reselection.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media of communication. A terminal device receives information associated with a lower-layer signaling based cell switch and determines, based on the information, whether a set of procedures are performed during the lower-layer signaling based cell switch. The set of procedures comprises at least one of the following: a PDCP recovery for a set of DRBs; a PDCP SDU discard for a set of SRBs; a RRC re-establishment for a set of DRBs and a set of SRBs; or a MAC reset. In this way, a terminal device may determine whether to perform or skip some L2 procedures for subsequent lower-layer based mobility procedures.

Abstract: A method and system for detecting an occurrence of an arc in a DC grid, wherein electrical devices are connectable to the DC grid, wherein the method includes providing at least one detector unit in the DC grid, the detector unit being configured to measure arc noise voltage superimposed on a DC grid voltage without a direct measurement of the current flowing through the arc itself, wherein the arc noise voltage is associated to the occurrence of an arc in the DC grid, and wherein a minimum impedance range in a predefined frequency range is ensured for each of the electrical devices connected to the DC grid.

Abstract: According to embodiments of the present disclosure, a first device receives first information from a second device. The first information is associated with a conditional handover through a source Integrated Access Backhaul (IAB) node to a target IAB node. If the conditional handover is completed at an ancestor IAB node, the first device transmits, to the second device, second information associated with the conditional handover. In this way, it avoids the child IAB node performs the handover before its parent IAB node.

Abstract: An information transmission method, a terminal and a network device are provides. The method is applied to a second terminal and includes: determining a mapping relationship between a target object of a sidelink interface and a target object of a backhaul link; performing a relay function according to the mapping relationship; wherein the target object is one of a bearer, an RLC channel and an RLC layer logical channel; the second terminal is a relay terminal corresponding to a first terminal; the target object of the sidelink interface is a target object of a sidelink interface between the first terminal and the second terminal; the target object of the backhaul link is a target object for carrying data and/or control information of the first terminal between the second terminal and a network device.

Abstract: Embodiments of the present disclosure relate to a User Equipment (UE) and methods of communication for the UE and a network device. The UE receives, from a network device, a Radio Resource Control (RRC) reconfiguration message including first configuration information of an application layer measurement for a Quality of Experience (QoE) measurement. The first configuration information comprises second configuration information regarding the application layer measurement applicable to idle and inactive states.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A method comprises a terminal device determines whether one or more DRBs with uplink data to be transmitted support SDT. If the one or more DRBs support the SDT, the terminal device determines whether the uplink data is to be transmitted in the inactive state. If the uplink data is to be transmitted in the inactive state, the terminal device transmits the uplink data to a first network device in the inactive state. Upon receipt of the uplink data, the first network device transmits to a third network device a request for relocating an anchor for a context of the terminal device, the request comprising a first indication as to whether there is remaining data to be transmitted. In this way, an enhanced mechanism for SDT is achieved and lossless transmission for SDT is attained.

Abstract: A flow control method performed by a relay UE for relay forwarding between a first device and a second device includes: generating a flow control message in the case that a flow control condition has been met; and transmitting the flow control message to the first device. The flow control condition includes that relay data cached in the relay UE and transmitted by the first device to the second device exceeds a threshold, or that a flow control request message has been received from the first device.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media of communication. A terminal device stores and transmits information of a RA procedure to a network device. The information of the RA procedure comprises at least one of the following: information regarding RA partition, information regarding Msg3 repetition, information regarding a TA report, or information regarding the RA procedure triggered due to none of SSBs associated with a CG resource for SDT has RSRP above threshold power, or due to consistent LBT failure recovery, or due to SCG activation, or due to BFR for two sets of BFD-RSs. In this way, a RA configuration may be optimized.