Abstract: This application provides a positioning method and a first communication apparatus. The first communication apparatus sends a first message used to request a second message from a second communication apparatus, and the second message is a positioning message or a positioning reference signal. The first communication apparatus receives the second message in a first time period that, includes a time period from sending the first message to receiving the second message, or includes a time period from a first moment to receiving the second message, where the first moment is a moment after the first communication apparatus sends the first message. The first communication apparatus is in DRX active time in the first time period. Accordingly, the communication apparatus is able to receive a positioning message in time, to meet a delay requirement.

Abstract: This application relates to a communication method and apparatus. A first device determines to process a first radio bearer in a first processing manner. The first processing manner activates or deactivates a data packet compression function of the first radio bearer. Then, the first device sends first information, where the first information is used to indicate the first processing manner. The first device can send the first information to indicate to activate or deactivate the data packet compression function, which means that the data packet compression function can be deactivated.

Abstract: Embodiments of this application describe an inter-device communication method, a related device, and a system. The method includes a first device sending a first message. The first message includes a first parameter that indicates that the first message is a message for announcing provision of an interactive business service. A second device receives the first message. The second device determines, based on the first message, whether the first device can provide the interactive business service for the second device. The second device communicates with the first device when the second device determines that the first device can provide the interactive business service for the second device. According to the technical solutions provided in embodiments of this application, interaction between devices can be more matched.

Abstract: A communication method includes obtaining an identifier of a first resource. The first resource is used for transmission of a sidelink positioning reference signal. The identifier of the first resource is determined based on at least one of a length of a time domain resource available for transmission of the sidelink positioning reference signal, a start position of a time domain resource used for transmission of the sidelink positioning reference signal, or a length of the time domain resource used for transmission of the sidelink positioning reference signal. The communication method also includes sending the sidelink positioning reference signal on the first resource.

Abstract: This application relates to a communication method, an apparatus, and a system. A first terminal device sends first information to a network device, where the first information indicates an identifier of at least one second terminal device corresponding to the first terminal device, and the identifier of the at least one second terminal device is for configuring or deconfiguring, by the network device, the first terminal device to perform multipath communication based on a non-3GPP communication interface between the first terminal device and the at least one second terminal device. Through reporting by the first terminal device, the network device can obtain the identifier of the second terminal device that communicates with the first terminal device through a non-3GPP connection, so that the network device can configure the first terminal device to implement UE aggregation with the second terminal device.

Abstract: Embodiments of this application provide a data transmission method and a communication apparatus. According to this application, a first device can determine, based on a quantity of time domain subunits occupied by a PRS, a quantity of resources of a first physical shared channel within a first frequency domain unit, and determine, based on the quantity of resources of the first physical shared channel within the first frequency domain unit, a TBS of a first TB transmitted on the first physical shared channel, to improve accuracy of the determined TBS and improve transmission performance.

Abstract: A remote terminal device receives first configuration information by using a relay terminal device, where the first configuration information includes or indicates information used to configure a first sidelink radio link control (SL RLC) bearer on a sidelink between the remote terminal device and the relay terminal device. The remote terminal device establishes the first SL RLC bearer based on the first configuration information, where the first SL RLC bearer corresponds to at least one first signaling radio bearer (SRB). The remote terminal device transmits control signaling to a network device on the at least one first SRB by using the relay terminal device.

Abstract: Embodiments of this application describe an inter-device communication method, a related device, and a system. The method includes a first device sending a first message. The first message includes one or more of the following parameters: a first parameter, a second parameter, and a third parameter. The first parameter is used to indicate that the first message is a message for announcing provision of an interactive business service. The second parameter is used to indicate an identifier corresponding to the interactive business service that can be provided by the first device. The third parameter is used to indicate a processing capability that can be provided by the first device for the interactive business service.

Abstract: Embodiments of this application relate to a wireless communication method applied to transmission user equipment (Tx UE), including: receiving first secondary carrier status indication information from a network device, to indicate that each of a plurality of secondary carriers is in an activated state or a deactivated state, the plurality of secondary carriers are used for multi-carrier sidelink communication between the transmission user equipment and at least one reception user equipment, and each of the at least one reception user equipment corresponds to at least one of the plurality of secondary carriers; and sending second secondary carrier status indication information to each reception user equipment, to indicate that each of the at least one secondary carrier is in an activated state or a deactivated state.

Abstract: A wireless communication method implemented by a transmission user equipment includes receiving first secondary carrier status indication information from a network device, where the first secondary carrier status indication information indicates that each of a plurality of secondary carriers is in an activated state or a deactivated state, the plurality of secondary carriers are used for multi-carrier sidelink communication between the transmission user equipment and at least one reception user equipment, and each reception user equipment corresponds to at least one secondary carrier; sending second secondary carrier status indication information to each reception user equipment, where the second secondary carrier status indication information indicates that each of the at least one secondary carrier is in an activated state or a deactivated state; and when acknowledgment information is received from one or more reception user equipments, sending secondary carrier setting complete information to the network

Abstract: Embodiments of this application provide a communication method and a communication apparatus. The method is applied to a first network device. The method includes: receiving first information, where the first information indicates a requirement of a positioning service of a terminal device, and the requirement of the positioning service of the UE includes at least one of the following: location quality of service of the UE and quality of service of transmitting positioning data by the UE; and sending second information to the UE, where the second information is related to the first information, and the second information indicates a priority of the positioning service of the UE.

Abstract: A communication method and apparatus are provided, to perform sidelink-based positioning. A first terminal apparatus determines sidelink control information. The sidelink control information includes first information used for resource selection and second information includes transmission mode information of a first message, and the transmission mode information of the first message indicates that the first message includes a sidelink positioning reference signal. The first terminal apparatus sends the sidelink control information and the first message. The sidelink positioning reference signal is used for sidelink positioning.

Abstract: A communication method and apparatus are provided, to transmit a reference signal used for sidelink positioning between terminal apparatuses, to support a sidelink positioning technology. The first configuration information indicates a transmission parameter of a reference signal used for sidelink positioning. The transmission parameter indicates a quantity of resources for transmitting the reference signal, and the quantity of resources for transmitting the reference signal is associated with a quantity of resources for transmitting data. The first terminal apparatus sends the reference signal based on the transmission parameter.

Abstract: Embodiments of this application provide a communication method, a communication device, a computer-readable storage medium, and a computer program product. The communication method includes: determining first information, where the first information includes first congestion indication information, the first congestion indication information indicates congestion information of a relay terminal device, and the relay terminal device provides a relay service between a remote terminal device and a network device; and sending the first information to the network device. In this manner, congestion control related information reported by the relay terminal device can be directly obtained in a data transmission process, so that corresponding configuration update or traffic control is performed based on the reported congestion indication information, to avoid or reduce congestion on the relay terminal device.

Abstract: This application relates to a communication method and apparatus. A remote device receives measurement configuration information, which is used to configure a measurement event. The measurement event is an event that signal quality of a candidate relay device becomes a first offset better than signal quality of a serving relay device. The remote device sends, to a network device, a measurement report including a first measurement result and first indication information. The first measurement result is a result of measurement performed by the remote device based on the measurement event, and the first indication information indicates a measurement type corresponding to the first measurement result. The measurement report sent by the remote device to the network device may include the first indication information, to indicate the measurement type corresponding to the measurement result.

Abstract: Communications method and apparatus are provided to resolve a problem of a loss of terminal data related to a service requirement of one card of a dual-card terminal with only one transmit chain when the other card of the terminal is in connected state. The method includes: when a first card is in a connected state and a second card is in a non-connected state, a communications apparatus determines that the second card can enter a connected state from a non-connected state.

Abstract: A communication method includes that a first device deletes a first data packet. The first device sends first signaling to a second device, where the first signaling includes or indicates a first buffer, the first buffer is used to compress a second data packet or used to decompress a compressed second data packet, a serial number of the first data packet and a serial number of the second data packet are consecutive, the serial number of the second data packet follows the serial number of the first data packet, and the second device is a receiving device of the compressed second data packet.

Abstract: This application discloses a remote terminal device receives an RRC reconfiguration message from a first network device, which is used to configure an indirect path in a multipath. The remote terminal device sends first information to a relay terminal device, which is used to trigger the relay terminal device to enter an RRC connected state, and the relay terminal device is on the indirect path, configured to provide a relay service. In a process of establishing the indirect path, even if the remote terminal device sends an RRC reconfiguration complete message to an access network device through an existing path, the remote terminal device can also send the first information to the relay terminal device.

Abstract: Example communication methods and apparatus are described. In one example method, a remote terminal device receives information about a relay terminal device through an interface between the remote terminal device and an access network device. Then, the remote terminal device sends indication information to the relay terminal device, where the indication information triggers the relay terminal device to enter a radio resource control (RRC) connected state, so that the relay terminal device can provide a relay service for the remote terminal device, thereby ensuring that a plurality of paths between the remote terminal device and the access network device are configured for the remote terminal device.

Abstract: A communication method and apparatus, where a target network device sends first information to a source network device, to indicate a receiving status of a data packet. The target network device receives a first data packet from the source network device, where the first data packet is a data packet of a remote device, and the first data packet is determined based on the first information. The remote device is connected to the source network device through a first relay device before transmission path switching, and is connected to the target network device after transmission path switching. For example, there are one or more first data packets, and the first data packet may include a data packet that fails to be received by the remote device.