Abstract: A method and an apparatus for improving reliability of multicast broadcast service (MBS) service, a terminal device, and a network device are provided. The method includes the following. A terminal device determines a transmission mode of an MBS service. The terminal device determines, based on the transmission mode of the MBS service, whether a first transmission is new transmission or is retransmission.

Abstract: A communication method includes: generating a sensing reference signal based on a first reference signal sequence, where the first reference signal sequence is obtained by encrypting a reference signal sequence based on a shared key; and sending the sensing reference signal, where the sensing reference signal is used to obtain sensing measurement data.

Abstract: A method for wireless communication includes: a first device acquires first information used for managing models associated with the first device, the models associated with the first device including a first model; and the first device manages the first model based on the first information.

Abstract: A method for model transmission, a first device, and a second device are provided. The method includes the following. A first device receives model information of a first model sent by a second device, where the model information of the first model includes one or more of: some or all model parameters of the first model, first information used for determining a model structure of the first model, second information associated with a compiling format for the first model, and third information associated with compression of the first model.

Abstract: The embodiments of the present disclosure provide a data retransmission method and an access point device, capable of achieving downlink data retransmission in a multi-AP cooperation scenario, which can reduce the number of downlink data retransmissions and transmission delay, thereby improving user experience. The data retransmission method includes: transmitting, by a first access point device, first request information when the first access point device fails to transmit a first data frame to a station device, the first request information requesting a second access point device to retransmit the first data frame, and the first access point device and the second access point device belonging to one operation set.

Abstract: Provided is a method for authorizing a sensing node. The method is performed by an authorization entity, and includes: acquiring first subscription information of the sensing node; authorizing the sensing node based on the first subscription information; and receiving a first sensing node list from a sensing initiation entity, wherein the first sensing node list is used to indicate at least one sensing node.

Abstract: The present application relates to an authentication method. The method comprises: transmitting, by a target second device, an authentication request to a first device; wherein the target second device is one of a plurality of second devices.

Abstract: A data transmission method performed by a terminal device includes: performing, in response to arrival of first data at the terminal device during a small data transmission (SDT) procedure, sending a first data arrival indication through uplink SDT, thereby causing the terminal device to enter a connected state; and sending, by the terminal device in the connected state, the first data; where the SDT procedure is a data transmission procedure of the terminal device in an inactive state, and the first data includes data not supporting transmission in the SDT procedure; the first data arrival indication is used for notifying a network device that the first data arrives at the terminal device, and the uplink SDT is uplink data transmission in the SDT procedure.

Abstract: A wireless communication method, a terminal device, and a network device are provided. The wireless communication method includes a terminal device acquires first information of a first cell. The first information is acquired based on a first request message from the terminal device. Or, the first information is broadcasted/indicated by a second cell.

Abstract: An authentication method performed by a first device includes: obtaining identity information of a plurality of target devices; and transmitting a first message to a second device, where the first message carries the identity information for authenticating the plurality of target devices.

Abstract: A method for sending a handover success report includes: sending the handover success report in a case that Conditional Handover (CHO) is successful, wherein the handover success report includes at least one of: signal measurement results of neighbor cells by the terminal device; signal measurement results of candidate cells that do not meet a handover condition by the terminal device; a list of candidate cells that meet the handover condition; a list of the candidate cells that do not meet the handover condition; an Identity (ID) of a source cell; information indicating whether a Radio Link Failure (RLF) occurred in the source cell before the terminal device performs the CHO; or a duration from receiving a CHO configuration to triggering the CHO.

Abstract: Provided are a BWP configuration method and apparatus, a terminal device, and a network device. The method comprises : a terminal device receiving first configuration information sent by a network device, wherein the first configuration information comprises a plurality of pieces of initial BWP configuration information, and each piece of initial BWP configuration information in the plurality of pieces of initial BWP configuration information is associated with one terminal type and/or terminal capability; and the terminal device selecting first initial BWP configuration information from among the plurality of pieces of initial BWP configuration information on the basis of the first configuration information, and residing on a first initial BWP on the basis of the first initial BWP.

Abstract: A method and device for transmitting a medium access control (MAC) protocol data unit (PDU) is provided. The method includes: identifying, by a hybrid automatic repeat request (HARQ) entity, for an uplink grant, a HARQ process associated with the uplink grant; and obtaining, by the HARQ entity, a MAC PDU to transmit from a HARQ buffer of the identified HARQ process when a particular condition(s) is satisfied. The condition may be that a MAC entity of the HARQ entity is configured with priority based prioritization, the uplink grant is a configured grant, and a previous uplink grant for the HARQ process was de-prioritized and the MAC PDU had already been obtained for the HARQ process.

Abstract: Embodiments of this application provide a communication method, a communications apparatus, a communications device, and an access network architecture, where the method includes: receiving, by a first node, data transmitted by a terminal device, performing transmission-related processing on received data by using a first protocol stack, and transmitting the processed data to a second node; and/or, receiving, by a first node, data transmitted by a second node, performing transmission-related processing on the received data by using a first protocol stack, and transmitting the processed data to a terminal device.

Abstract: The disclosure relates devices and a network element. A first device calculates third authentication information based on a first key, where the first key is related to a shared key. The first device sends a second message, where the second message carries the third authentication information.

Abstract: A communication method, a device, a computer-readable storage medium, a computer program product, and a computer program are provided. The method includes the following. A first device receives a first message, where the first message carries a nonce and first authentication information. The first device calculates a first key and second authentication information based on a first shared key and the nonce. When the first authentication information is the same as the second authentication information, the first device calculates ciphertext data based on the first key and data to be sent. The first device sends a second message, where the second message carries the ciphertext data.

Abstract: Provide are a small data transmission method and apparatus, and a terminal device. The method includes: the terminal device determines a first data amount, which includes a data amount of radio resource control (RRC) messages and a data amount of at least one data radio bearing (DRB) cache; and the terminal device determines, based on the first data amount, whether to initiate an inactive state small data transmission.

Abstract: A key generation method, a first device, and a target second device are provided. The method includes: sending, by a first device, multiple signals to each of multiple second devices, where radio frequency (RF) coefficients for the multiple signals are calculated based on a respective channel feature between each of the multiple second devices and the first device; and generating, by the first device, a first group key based on related information of the multiple signals, where the first group key is used by the first device to communicate with the multiple second devices.

Abstract: Embodiments of the disclosure provide a measurement gap determining method and apparatus, and a terminal. The method comprises: the terminal receives first configuration information and/or second configuration information sent by a network device, wherein the first configuration information is used for the terminal to determine a first measurement gap used before BWP switch and a second measurement gap used after the BWP switch, and the second configuration information is used for the terminal to determine a first measurement gap sharing scheme used before the BWP switch and a second measurement gap sharing scheme used after the BWP switch.

Abstract: The present disclosure relates to a global train-localization system. The system may autonomously send a precise location of a train to effectively cope with train location recognition in a case of various faults or degradations. The localization system includes: a backup localization unit installed on the train and configured to read beacon location information on a track; and a global train-localization system (GTS) server configured to receive, store and convert train localization information sent by the backup localization unit and to perform output and display. Compared to the prior art, the present disclosure has the advantages of effectively coping with system degradation, namely, tracking the location of the train in real time even in a case of complete fault of a signal system, etc.