Abstract: This application provides a satellite alignment method, a terminal device, and a computer-readable storage medium, and relates to the field of satellite communication technologies. In this application, locations of a satellite that needs to be aligned with at different moments and phase differences of a signal arriving at antenna elements of the terminal device at different moments can be obtained based on ephemeris information, and a beam is generated based on the phase difference of the signal arriving at the antenna elements, so that the generated beam is directed to the locations of the satellite at different moments, and a radiation direction of the antenna element of the terminal device is automatically aligned with the satellite, to improve alignment efficiency. In addition, alignment accuracy can be improved, and effective communication between the terminal device and the satellite is enhanced.

Abstract: A communication method includes receiving first information, where the first information indicates at least one first resource, and the first resource is used for transmission of a first scheduling request (SR); and sending the first SR to a network device on the first resource, where the first SR is used to request a second resource for transmission of a sidelink positioning reference signal (SL-PRS), and the SL-PRS is used for sidelink positioning. According to the method, the at least one first resource is pre-configured for the terminal device based on the first information. When the terminal device has the SL-PRS to be transmitted, the terminal device may send the first SR to the network device on the first resource, and the terminal device may request, from the network device via the first SR, the resource for transmission of the SL-PRS.

Abstract: An information transmission method and an apparatus. A determination is made that a first sidelink grant is usable to transmit information to a first destination address in at least one destination address, where the first destination address has first information with a highest priority in the at least one destination address. A first terminal apparatus selects, from at least one destination address, a first destination address associated with a first sidelink grant, where the first destination address has first information with a highest priority in the at least one destination address, and one of the at least one destination address has an SL-PRS, or one of the at least one destination address has an SL-PRS and second information.

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.