Abstract: A wireless communication method is provided, which comprises that: a first UE receives a switching command from a source network device, wherein the switching command is used for instructing the first UE to switch from a source path to a target path, the source path being a path between the first UE and the source network device, the target path being a path between the first UE and a target network device, and the source path and/or the target path being a relay path; and the first UE starts, upon being triggered by the switching command or a first message, to send uplink data and/or receive downlink data on the target path, wherein the first message is a message that is sent by a second UE to the first UE, the second UE being a relay UE on the relay path.

Abstract: Disclosed is an indication method of data copying mode, including: receiving, by a terminal device, first indication information sent by a network device, wherein the first indication information is used to indicate the data copy mode to change. Or, the terminal device determines that the data copying mode is changed, and/or determines that the data copying mode is activated/deactivated. Further disclosed are another indication method of data copying mode, the terminal device, the network device, and a storage medium.

Abstract: A method for determining a sidelink type, a terminal device, and a network device are provided. The method comprises: receiving downlink control information (DCI) sent by a network device; determining, on the basis of the DCI, a first type of sidelink or a second type of sidelink as a target sidelink according to a preset rule, the first type of sidelink being different from the second type of sidelink in configuration parameters; and using the target sidelink to perform data transmission of the sidelink.

Abstract: A wireless communication method and a terminal device are provided. The method comprises: after receiving a first message sent by a second terminal, a first terminal sends the first message or a first report to a network device; the first terminal receives first indication information sent by the network device, the first indication information being used for indicating a first identifier; and the first terminal determines that an adaptation layer identifier of the second terminal is the first identifier on the basis of the first indication information.

Abstract: Disclosed is a parameter configuration method, comprising: a second terminal device sending a first parameter combination to a first terminal device, or the first terminal device sending a second parameter combination to the second terminal device, wherein the first parameter combination and the second parameter combination are both used for indicating a sidelink data sending parameter of the second terminal device and/or a sidelink data receiving parameter of the second terminal device. Further disclosed are a terminal device and a storage medium.

Abstract: Methods and devices for transmission of feedback information and methods and devices for data retransmission are provided. A method for transmission of feedback information includes the following. A second terminal device send first data to a first terminal device through device to device (D2D) communication. The second terminal device obtains a retransmission resource. The second terminal device retransmit the first data to the first terminal device on the retransmission resource through D2D communication, according to feedback information of the first terminal device responsive to the first data.

Abstract: Embodiments of the present application provide a control information transmission method and apparatus, a resource configuration method and apparatus, and a communication device. The method comprises: transmitting first control information between a first terminal and a second terminal, the first control information being borne on a first control channel and used for scheduling transmission of a first data channel, and the first data channel being used for transmitting data between the first terminal and the second terminal, wherein the first control channel and the first data channel perform time division transmission.

Abstract: A user equipment (UE), a base station (BS), and a method of vehicle-to-everything (V2X) communication of same are provided. The method of V2X communication of the UE includes receiving at least one network V2X configuration information relating at least one V2X operation from the BS, generating at least one V2X data, and triggering to send, to the BS, at least one UE assistance information (UEAI) using the at least one network V2X configuration information as a scheduling request indication (SRI) when the UE has the at least one V2X data to be transmitted.

Abstract: Disclosed in embodiments of the present disclosure are a sidelink communication method and a terminal device. The method includes a first terminal device receives sidelink control information (SCI) transmitted from a second terminal device; and the first terminal device obtains information of a sidelink reference signal according to the SCI.

Abstract: A data transmission method and a terminal device are disclosed, which may solve the data transmission problems of a sidelink when the size of a time unit of a downlink and the size of a time unit of the sidelink are not the same. The method includes that a terminal device receives first control information sent by a network device, and determines a sending time for sidelink data according to the first control information.

Abstract: A timer-based processing method, a terminal device, and a computer-readable storage medium are provided. The method includes the following. Obtain a first timer of a source network device. Monitor a connection between the terminal device and the source network device based on the first timer of the source network device, in response to the terminal device connecting to a target network device. The method further includes the following. During monitoring the source network device based on the first timer of the source network device, start the first timer of the source network device in response to a starting condition of the first timer being met, stop the first timer of the source network device in response to a stopping condition of the first timer being met, or the first timer of the source network device expires in response to elapse of timing time of the first timer.

Abstract: A method for using slice information includes that: at least one of cell selection, cell measurement, cell search, or cell reselection is performed based on slice information. During performing at least one of the cell selection, the cell measurement, the cell search, or the cell reselection, the slice information can be used to perform a more reasonable cell selection, cell measurement, cell search, and cell reselection in the case of different slice information, such that a UE is more likely to camp on a target cell that can provide a desired slice service.

Abstract: Methods and apparatus for configuring a reference signal are provided. The method includes that: a first terminal receives first information, the first information including configuration information of a first reference signal, and the first reference signal being a reference signal for sidelink positioning.

Abstract: The present application discloses a method for positioning a terminal and a first terminal. The method comprises: a first terminal receiving a first reference signal sent by at least one second terminal, the first reference signal being a positioning reference signal of a sidelink; and the first terminal positioning a target terminal according to the first reference signal. The present application provides a brand-new positioning service in a communication scenario of a sidelink, and a positioning result for a target terminal can be obtained by interaction between different terminals.

Abstract: Provided by the implementations of the present application are a communication method and terminal, which may achieve reliability of system transmission by using a terminal-to-terminal mode to carry out communication. The method comprises: a first terminal device receiving a first sidelink transmission channel sent by a second terminal device, the first sidelink transmission channel being used to transmit a first message; in response to the first message, the first terminal device sending a second sidelink transmission channel to the second terminal device, the second sidelink transmission channel being used to transmit a second message, and the second message being a feedback message for the first message.

Abstract: A method for wireless communication and a terminal device are provided. The method for wireless communication includes the following. A first terminal obtains first configuration information. The first terminal transmits a service to a second terminal according to the first configuration information. The first configuration information indicates a transmission format of the service.

Abstract: Disclosed is a data transmission method. The method comprises: a terminal device performing data transmission with a first network device and/or a second network device according to a time division multiplexing mode, the time division multiplexing mode indicating information associated with data transmission performed between the terminal device and the first network device and/or the second network device. Further disclosed are another data transmission method, a terminal device, and a storage medium.

Abstract: Provided are a network switching method, a network node, a chip and a communication system, the method comprising: a first node acquires indication information, the indication information being used to indicate to the first node to switch a receiving path and/or a transmitting path of a data packet of the first node; and the first node receives and/or transmits the data packet according to the indication information. In the implementations of the present disclosure, the first node directly switches the receiving path and/or the transmitting path of the data packet thereof by means of the indication information, which avoids a reconstruction operation of a PDCP entity of the first node during the switching process of the first node, thereby avoiding an interruption in the service of the PDCP entity, and improving the data transmission efficiency.

Abstract: Embodiments of the present application relate to a resource allocation method and a terminal device. The method comprises: a first terminal device allocates a first resource to a second terminal device, the first resource being used for sending sidelink data to a third terminal device by the second terminal device; the first terminal device determines whether feedback information sent by a target terminal device is received, the target terminal device being the second terminal device and/or the third terminal device, and the feedback information being used for indicating whether the third terminal device successfully receives the sidelink data; and the first terminal device determines, according to whether the feedback information is received, whether to allocate a second resource to the second terminal device, the second resource being used for resending the sidelink data to the third terminal device by the second terminal device.

Abstract: An apparatus and a method of vehicle-to-everything (V2X) communication of same are provided. The apparatus is a local header. The method includes pre-allocating a plurality of transmission opportunities of a plurality of sidelink (SL) resources in a time domain multiplexed (TDM'ed) manner, and coordinating transmission timings between a plurality of group member user equipments (UEs) in a unicast session or a groupcast session.