Abstract: A data communication method includes: transmitting, by the first device, first data on a sidelink in a duplication transmission mode.

Abstract: Provided are carrier configuration methods and apparatuses, and terminal devices. The method includes that: a first terminal device sends first information to a second terminal device, the first information being used for the second terminal device or a second network where the second terminal device is located to configure carriers; and the first terminal device receives first configuration information from the second terminal device, the first configuration information being used for configuring a plurality of carriers, and at least some of the plurality of carriers being used for performing unicast sidelink communication between the first terminal device and the second terminal device.

Abstract: Embodiments of this application provide a connection configuration method and a terminal. The connection configuration method includes: performing, by a remote terminal, a connection configuration based on a timer, where the connection configuration includes a connection configuration related to at least two paths, and the at least two paths include a direct connection path and an indirect connection path. In embodiments of this application, in a scenario in which a terminal is connected to a network device through at least two paths, a connection configuration can be performed based on a timer.

Abstract: A transmission resource selection method, which includes: determining, by a first terminal, a first transmission resource based on values of first parameters respectively corresponding to one or more resource pools on each of N carriers; where a first parameter is used for indicating a resource usage state; the first transmission resource is used for data transmission; and N is an integer greater than 1.

Abstract: A relay communication method is applied to a first terminal, where a relay connection is established between the first terminal and a second terminal through a relay terminal, and the relay communication method includes: receiving, by the first terminal, a first message; where the first message includes at least one of the following: an end-to-end user identifier of the first terminal, or an end-to-end user identifier of the second terminal.

Abstract: Provided is a method for managing carriers. The method is applicable to a first terminal. The method includes: performing carrier management on at least two carriers with a second terminal in carrier aggregation-based sidelink communication. The terminal includes a processor; a transceiver, communicably connected to the processor; and a memory, configured to store one or more executable instructions of the processor; wherein the processor, when loading and executing the one or more executable instructions, is caused to perform the method.

Abstract: Provided are a wireless communication method, a network device, and a terminal device. The method includes: sending, by the network device, first indication information to the terminal device, where the first indication information is used for adding a second connection between the terminal device and the network device, and a first connection is established between the terminal device and the network device.

Abstract: Provided are methods for determining carriers. The method is applicable to a first terminal and includes: determining a first carrier; and performing sidelink communication with a second terminal over the first carrier. The method is applicable to a second terminal and includes: determining a first carrier by negotiating with a first terminal; and performing sidelink communication with the first terminal over the first carrier.

Abstract: A wireless communication method includes: acquiring, by a network device, target information, where the target information is information related to a connection between a first terminal and a second terminal; where the first terminal and the second terminal are connected via a first interface, and the first interface is not an interface defined by a 3GPP protocol.

Abstract: A wireless communication method is provided. The method is applied to the terminal device, where there are a plurality of connections between the terminal device and a network device, and the method includes: performing, in a case where an RLF occurs on a first connection of the plurality of connections, a connection recovery related operation and/or a connection switching related operation.

Abstract: A communication method, a terminal, a communications device, and a network device are provided. The communication method includes: receiving, by a first terminal, first information, where the first information is used to indicate first link information between a second communications device and a third terminal. When the first terminal performs relay selection or reselection, the first link information may help the first terminal determine whether to select the second communications device as a relay device from the first terminal to the third terminal.

Abstract: A method for data retransmission and related devices are provided. The method includes the following. A first device receives first information from a second device, where the first information includes a hybrid automatic repeat request (HARQ) feedback indication. If the HARQ feedback indication is HARQ feedback enabled, the first device monitors data retransmission of the second device within a duration of a first retransmission timer. If the HARQ feedback indication is HARQ feedback disabled, the first device monitors the data retransmission of the second device within a duration of a second retransmission timer.

Abstract: A method for determining a DRX parameter, a terminal device, and a non-transitory computer-readable storage medium are provided. The method includes: determining, by a terminal device, a DRX parameter corresponding to a first physical transmission, the DRX parameter corresponding to the first physical transmission being a first DRX parameter corresponding to a Quality of Service (QoS) parameter associated with the first physical transmission or a default second DRX parameter; and performing, by the terminal device, the first physical transmission based on the DRX parameter corresponding to the first physical transmission.

Abstract: An information transmission method is provided in the present application. In the information transmission method, in response that a target condition is met, a first UE sends resource selection auxiliary information to a second UE via a sidelink; where the target condition comprises at least one of: the first UE detecting, in the sidelink, an event that triggers the resource selection auxiliary information to be sent; or the first UE receiving request information sent by the second UE for requesting the resource selection auxiliary information.

Abstract: A method for wireless communication and a device are provided in embodiments of the disclosure. A first terminal generates coordination information. The first terminal sends the coordination information to a second terminal. The coordination information is used for coordinating with the second terminal to perform resource selection or resource reselection. The coordination information is generated under triggering of a preset condition, or the coordination information is sent under triggering of the preset condition.

Abstract: A wireless communication method and a terminal device are provided. The method includes: sending, by a first terminal, a first medium access control control element MAC CE to a second terminal, where the first MAC CE includes N pieces of resource combination information, the N pieces of resource combination information are used to assist the second terminal in performing resource selection, and N is a positive integer.

Abstract: A parameter configuration method, apparatus, and device, and a storage medium are provided. The method includes: first user equipment acquires a first parameter, the first parameter being used by the first user equipment for device configuration under different access conditions. The different access conditions include: the first user equipment directly accessing a network, or the first user equipment accessing a network by means of second user equipment. The first parameter obtained by the first user equipment is a parameter matching the access condition.

Abstract: A method for data retransmission and related devices are provided. The method includes the following. A first device receives first information from a second device, where the first information includes a hybrid automatic repeat request (HARQ) feedback indication. If the HARQ feedback indication is HARQ feedback enabled, the first device monitors data retransmission of the second device within a duration of a first retransmission timer. If the HARQ feedback indication is HARQ feedback disabled, the first device monitors the data retransmission of the second device within a duration of a second retransmission timer.

Abstract: A method for determining a DRX parameter, a terminal device, and a non-transitory computer-readable storage medium are provided. The method includes: determining, by a terminal device, a DRX parameter corresponding to a first physical transmission, the DRX parameter corresponding to the first physical transmission being a first DRX parameter corresponding to a Quality of Service (QoS) parameter associated with the first physical transmission or a default second DRX parameter; and performing, by the terminal device, the first physical transmission based on the DRX parameter corresponding to the first physical transmission.

Abstract: A data transmission method and user equipment (UE) are provided. A first UE sends first data according to configuration information, where the first data includes data to be sent to a third UE which is of the first UE itself, or is received from a network device by the first UE, or is received from a second UE by the first UE, and/or data to be sent to the network device which is received from the second UE by the first UE; the configuration information indicates a radio link control (RLC) channel to be used by the first UE for sending the first data. With the method, a scheme for configuring an RLC channel to be used by the first UE for sending the first data in a relay communication system can be provided.