Abstract: A communication method and apparatus. The method may be applied to a 4G system, a 5G system, and/or a future communication system such as a 6G system. The method includes: a splitting protocol layer entity of a terminal device configures a first sequence number SN of a splitting protocol layer in a first splitting protocol layer data packet, and configures a second SN of the splitting protocol layer in a second splitting protocol layer data packet. The splitting protocol layer entity of the terminal device sends the first splitting protocol layer data packet to a first protocol layer entity corresponding to a first access network device, and sends the second splitting protocol layer data packet to a first protocol layer entity corresponding to a second access network device.

Abstract: A communication method and a related apparatus for data transmission in vehicle-to-everything (V2X) communication, the apparatus including at least one processor and a non-transitory computer-readable memory storing a program to be executed by the at least one processor, the program including instructions for obtaining a first parameter value of an uplink, obtaining a second parameter value of a sidelink, and transmitting, according to a comparison between the first parameter value and the second parameter value, at least one of an uplink media access control protocol data unit or a sidelink media access control protocol data unit, where the uplink is a wireless communications link from the apparatus to a network device, and where the sidelink is a wireless direct transmission link between the apparatus and another terminal device.

Abstract: Example data sending methods and apparatus are described. One example method includes sending a first message to a network device by a terminal device. The first message is used to indicate information about remaining time of each of one or more data packets. The remaining time of each of the one or more data packets is used to indicate that the terminal device needs to finish sending each of the one or more data packets before the end of the remaining time. The terminal device obtains information about a resource configured by the network device for the terminal device, wherein the resource is used to send each of the one or more data packets before the end of the remaining time.

Abstract: Embodiments of this application relate to the field of communication technologies, and provide a timing method for dealing with a link exception and an apparatus. A specific solution is as follows: receiving a first synchronization packet from a first terminal device; receiving a second synchronization packet from a second terminal device or a server; and if the first synchronization packet and the second synchronization packet belong to a same TSN domain, determining a to-be-forwarded synchronization packet in the first synchronization packet and the second synchronization packet. In this way, if the to-be-forwarded packet is the first synchronization packet, the first synchronization packet is forwarded, and the second synchronization packet is filtered. Embodiments of this application are used to improve timing precision in a timing process of the TSN device for the 5GS.

Abstract: This application provides a resource scheduling method, and a communication apparatus and system. In the method is specifically as follows: The first terminal device sends indication information to the second device, where the indication information includes data volume information of to-be-transmitted data on the sidelink, and the data volume information of the to-be-transmitted data is used by the second device to obtain a target resource, and the target resource may be used by the second device to forward, to the third communication device, data received from the sidelink. By using this application, the second device may obtain a required resource based on the data volume information of the to-be-transmitted data in the indication information sent by the first terminal device, and forward, by using the required resource, the data received by the second device from the sidelink, to reduce a relay forwarding delay in sidelink communication.

Abstract: A communication method and apparatus are provided. The method includes a terminal device that receives first configuration information and second configuration information from a network device. The first configuration information is used to configure a primary RLC group, and the second configuration information is used to configure a secondary RLC group. The terminal device determines the primary RLC group and the secondary RLC group based on the first configuration information and the second configuration information. According to the foregoing solution, the network device may configure the primary RLC group and the secondary RLC group for the terminal device, and the primary RLC group and the secondary RLC group each may include at least one RLC entity.

Abstract: Method and apparatus provide for receipt by a communication apparatus of first indication information from a second communication apparatus indicating whether a first service of a terminal device is a service of a first type. The communication apparatus obtains characteristic information of the first service based on the first indication information, determines a mapping relationship between a packet filter set of the first service and a quality of service QoS flow based on the characteristic information, and sends the mapping relationship to a third communication apparatus.

Abstract: A method includes receiving a first parameter set that is for establishing a relay radio link control RLC bearer and that is sent by a first terminal; and further receiving a first configuration message sent by a network device, where the first configuration message includes a second parameter set corresponding to the relay RLC bearer. The relay device establishes, based on the first parameter set received from the first terminal and the second parameter set obtained from the network device, a relay RLC bearer corresponding to a first link, where the first link is a link between the relay device and a second terminal.

Abstract: Embodiments of the present invention disclose a communication method, an apparatus, and a computer-readable storage medium. The method includes: receiving a first data packet; and sending the first data packet and first indication information to an access network device, where the first indication information indicates that the first data packet is an uplink data packet or a downlink data packet, and the first indication information is used by the access network device to determine an access network AN packet delay budget PDB of a first quality of service QoS flow corresponding to the first data packet.

Abstract: This application provides a method and a corresponding apparatus. One example method includes: A transmitting side receives an RLC status report from a receiving side, where the RLC status report includes at least one piece of status information, each of the at least one piece of status information indicates one or more receiving statuses of one or more consecutive RLC service data units (SDUs) that are not successfully received, and the at least one piece of status information is sequentially sorted in ascending order of RLC SDU sequence numbers (SNs) in the RLC status report; and if the last piece of status information in the RLC status report indicates that a part of data of a first RLC SDU is lost, the transmitting side determines, based on the RLC status report, whether a receiving status of the first RLC SDU is completely reflected in the RLC status report.

Abstract: Embodiments of this application provide a data transmission method and an apparatus. When more than two radio link control RLC entities are configured for one radio bearer RB, a secondary network device receives indication information from a master network device. The secondary network device may determine, based on the indication information, a master RLC entity associated with the radio bearer, to indicate, to a terminal device, RLC entities that need to be activated and deactivated.

Abstract: Embodiments of this application provide a communication method and apparatus. The method includes: A first terminal performs integrity protection verification on a received RRC message; and when the integrity protection verification fails, an RRC layer of the first terminal sends a first indication and an identifier of a second terminal to an application layer of the first terminal, where the first indication and the identifier of the second terminal are used by the application layer to disconnect a unicast connection between the first terminal and the second terminal. Based on this solution, when the integrity protection verification performed by the first terminal on the received message fails, the RRC layer of the first terminal may report the first indication and the identifier of the second terminal to the application layer, to trigger the application layer to disconnect the unicast connection between the first terminal and the second terminal.

Abstract: This application provides a communication method and a communications apparatus. The method includes: receiving, by a terminal device, a configuration message from a network device, where the configuration message is used to configure a plurality of uplink BWPs and a plurality of downlink BWPs; determining, by the terminal device, a first BWP in the plurality of uplink BWPs, where the first BWP is used to transmit feedback information of downlink information that is on a second BWP, and the second BWP is any one of the plurality of downlink BWPs; receiving, by the terminal device, the downlink information on the second BWP; and sending, by the terminal device, the feedback information of the downlink information by using the first BWP, so that a BWP on which the feedback information is sent can be determined in a scenario in which a plurality of BWPs are activated.

Abstract: Embodiments of this application provide a data transmission method and an apparatus. When a time-frequency resource used by a terminal device for data transmission is unavailable, the terminal device postpones, based on indication information of a network device and/or according to a postponement rule, the data transmission to a time-frequency resource closest to the time-frequency resource. Therefore, a data transmission latency is reduced.

Abstract: A wireless communication method includes receiving, by a terminal device, first information sent by a network device. The first information includes a first offset. The first offset is a difference between a frame number of a first system frame and a frame number of a first direct frame. The first system frame and the first direct frame overlap in a time domain. The wireless communication method also includes determining, by the terminal device, the first direct frame based on at least one of the first offset or the frame number of the first system frame.

Abstract: This application provides a sidelink communication method. The method includes: A first terminal device determines one or more pieces of first configuration information, where the one or more pieces of first configuration information correspond to one or more sidelinks, each piece of the first configuration information is used to configure a discontinuous reception DRX related parameter of a corresponding sidelink, and the first terminal device is a sending device or a receiving device on the one or more sidelinks. The first terminal device maintains, based on each piece of the first configuration information, a status of the discontinuous reception DRX corresponding to each piece of the first configuration information.

Abstract: A communication method and an apparatus includes a network device sends first information to a terminal device, so that the terminal device can determine a HARQ feedback manner based on the first information, where the HARQ feedback manner includes skipping ACK feedback and/or NACK feedback. In this manner, the network device controls the HARQ feedback manner used by the terminal device, so that the terminal device can be flexibly controlled to use different HARQ feedback manners in different scenarios, to adapt to a service constraint, effectively reduce power consumption of the terminal device, and save air interface resources.

Abstract: A communication method includes a first terminal device that determines first configuration information of first discontinuous reception DRX, where the first DRX controls the first terminal device to receive data on a sidelink. The first terminal device sends the first configuration information to a second terminal device, where the second terminal device is a terminal device that establishes a sidelink connection to the first terminal device. This can reduce power consumption of the terminal device.

Abstract: This application provides a time synchronization method, an access network device, a communication apparatus, a computer storage medium, and a communication system. The method includes: A first access network device obtains first indication information, where the first indication information is used to indicate that a first terminal has a requirement for receiving or sending an uplink time synchronization message, and/or the indication information is used to indicate a precision requirement for time synchronization between the first terminal and a wireless network. The first access network device performs time synchronization on the first terminal based on the first indication information. This can avoid a case in which a requirement on a synchronization error of a time sensitive network TSN in an uplink time synchronization scenario cannot be met due to an excessively large air interface synchronization error, so that synchronization between TSN devices is improved, and TSN performance is improved.

Abstract: A fly ash recycling gasification furnace includes a fly ash burner, an ash remover, a fly ash storage tank, a variable pressure lock hopper, a fly ash blending system, an exhaust filter, and a backflushing nitrogen buffer tank. The fly ash burner is located on an inner wall of a hearth of the gasification furnace. The ash remover has an inlet connected to an outlet of a waste boiler of the gasification furnace. The fly ash storage tank is connected to a pressurized nitrogen inlet pipe, and a bottom outlet of the ash remover. The variable pressure lock hopper is connected to the fly ash storage tank. The fly ash blending system is connected to the variable pressure lock hopper and the fly ash burner. The exhaust filter is connected to the storage tank, the lock hopper and the blending system. The buffer tank is connected to the exhaust filter.