Huawei Technologies Co., Limited

Huawei Technologies,co., Ltd.

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Quectel Wireless Solutions Co., Ltd.

Qufang Huang

Qinghai Zeng

Xiaoying Xu

Chong Lou

Chunhua You

Mingzeng Dai

Xing Liu

Qiang Fan

Hongping Zhang

Jian Zhang

Lifeng Han

Wenji Liu

Yinghao Guo

Xiaoxiao Zheng

Wei Quan

Li Zhao

Tingting Wang

Jun Chen

Zhenzhen Cao

Haiyan Luo

Yuanjie Li

Jun Wang

Yi Guo

Junren Chang

Wenjie Peng

Jing Liu

Ping Fang

Yi Shan Jiang

Le Yan

Lingli Pang

Yuhua Chen

Jingwang Ma

Gaokun Pang

Yong Cheng

Xiaoxian Li

Hao Bi

Wen Gao

Hui Ni

Yi Bin Wang

Yu Wang

Xiaolong Guo

Bin Xu

Feng Han

Min Huang

Yuejun Wei

Xiaoli Shi

Li Hu

Xiaofeng Chen

Pingping Xing

Yan Chen

Tao Zhong

Liping Yuan

Nijun Li

Yawei Lu

Tao Cai

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.

Communication method and apparatus

This application provides a communication method and apparatus. In the method, a policy control function (PCF) receives request information from a terminal or a service server. The request information requests to establish a first quality of service (QoS) flow for the terminal, and includes first indication information indicating to perform network coding on the first QoS flow. The PCF sends network coding information to an access network device accessed by the terminal and/or the terminal based on the request information. The network coding information includes second indication information indicating a QoS flow on which network coding is to be performed.

A method for wireless communication, a terminal device, and a network device are provided. One example method includes: receiving first information, wherein the first information indicates ephemeris information of a second satellite, the ephemeris information of the second satellite comprises a first reference instant, and the first reference instant is inferred from time information of a first cell, or the first reference instant is associated with an absolute instant, wherein the first cell is a serving cell of the terminal device, the first cell is associated with a first satellite that currently serves the first cell and the second satellite that is to serve the first cell after the first satellite.

Method for wireless communication, terminal device, and network device

A network slice multicast method includes generating, by an access network device, a first message. The network slice multicast method further includes sending, by the access network device, the first message to a user equipment (UE). The first message comprises a first network slice identifier and configuration information of a multicast traffic channel, and the first network slice identifier corresponds to the multicast traffic channel.

Network slice multicast method and apparatus

A communication method and apparatus are provided. The method includes: A first terminal device determines first information, where the first information includes a result of a channel access process performed on a first resource, and the first resource is used for sidelink communication between the first terminal device and a second terminal device, or is used for communication between the first terminal device and a network device; or the first information includes a resource request message, and the resource request message is used to request a resource for retransmission on a sidelink between the first terminal device and a second terminal device; and the first terminal device sends the first information to the network device.

Communication method for allocating spectrum resource in a sidelink communication and apparatus

A context management method includes: when a distributed unit (DU) of a network side device receives a first message from a centralized unit (CU) of the network side device, the DU of the network side device may store a context of the terminal side device in an inactive state. The first message includes a second message, and the second message is used to indicate the terminal side device to enter the inactive state and release a connection to the network side device.

Context management method and apparatus

A communication method and apparatus are provided to improve an immersive experience of a user. The method includes: a terminal apparatus receives information from a network device, where the information indicates an air interface status or indicates an amount of data stored by the network device, the terminal apparatus receives data from the network device and processes the data based on the air interface status or the amount of data stored by the network device.

Embodiments of this application provide a configuration method and apparatus. When indicating, by using an RRC connection release message, a terminal to enter an inactive state from a connected state, a network device may include, in the RRC connection release message, a configuration parameter allocated to the terminal in the inactive state. That is, the terminal receives the radio resource control RRC connection release message sent by the network device, where the RRC connection release message includes first information used to indicate a target configuration parameter. In this way, the terminal may enter the inactive state based on the RRC connection release message, and determine a context parameter of the inactive state based on the first information, so that the configuration parameter is properly allocated to the terminal in the inactive state.

Configuration method and apparatus

This application provides a random access method and a communication apparatus. The method includes: receiving, by a terminal device, a response message from a network device; determining, by the terminal device, a message format of the response message, where the message format includes a first format or a second format; and parsing, by the terminal device, the response message based on the determined message format, where the response message in the first format includes a contention resolution identity and a control plane message; and the response message in the second format includes a contention resolution identity and includes no control plane message. A two-step random access method provided in this application includes two message formats of a random access response.

Random access method and communication apparatus

This application provides a communication method and apparatus, and relates to the field of communication technologies, to resolve problems of a long data transmission delay and high signaling overheads. A first access network device receives uplink user plane data from a user equipment in an inactive state, and sends an uplink control plane information element and the uplink user plane data to a second access network device through a same interface. The method is applied to a data transmission process.

Communication method and apparatus for reducing data transmission delay and reducing signaling overheads

A signal transmission method includes receiving configuration information from a network device. The configuration information is used to indicate a serving cell that is allowed or forbidden to be used by a terminal for a first service or first control information. The method also includes adjusting the serving cell that is allowed or forbidden to be used by the terminal for the first service or the first control information. The method further includes transmitting the first service or the first control information by using an adjusted serving cell.

Signal transmission method and apparatus

This application provides a method for processing timing advance (TA) of a terminal, and an apparatus. A terminal obtains a correspondence between first TA and a beam, determines, based on the correspondence, the beam corresponding to the first TA, and further determines, based on the beam corresponding to the first TA, whether the first TA is invalid. According to this application, the terminal may determine, by using a finer granularity, whether the first TA is invalid, and this helps trigger selection of more appropriate TA, thereby further reducing interference between uplink transmission.

Method for processing timing advance TA of terminal, and apparatus

A communication method, a communications apparatus, and a device are described. The communication operation carried out by a terminal includes receiving BWP indication information sent by a network device. The BWP indication information instructs the terminal to activate a BWP and/or deactivate a BWP. The communication operation further includes sending BWP feedback information to the base station. The BWP feedback information indicates that the terminal successfully received the BWP indication information. In this way, in the event of a data transmission failure because the UE cannot receive or cannot correctly parse the BWP indication information, the UE and the base station communicating by using different BWPs can be avoided, thereby improving communication quality.

Communication method, communications apparatus, and device

This application provides a data transmission method and apparatus. A terminal: receives a first uplink grant from a network device; sends first uplink data in to-be-sent data to the network device by using the first uplink grant; receives a second uplink grant from the network device; and sends second uplink data to the network device by using the second uplink grant, where the second uplink data is at least a part of uplink data in the to-be-sent data except the first uplink data, where the terminal is in a first state, and where the first state includes an idle state or an inactive state. The embodiments of this application help reduce a latency in a data transmission process.

Data transmission method and apparatus

Example message transmission methods and apparatus are provided. One example method includes obtaining a first correspondence by a core network device, where the first correspondence includes a correspondence between target device information and first time sensitive networking (TSN) domain information. The target device information is used to identify a target device, and the first TSN domain information is used to identify a TSN domain to which a first TSN device belongs. The core network device receives a multicast message from a second TSN device, where the multicast message includes second TSN domain information which is used to identify a TSN domain to which the second TSN device belongs. The core network device sends the multicast message to the target device when determining, based on the second TSN domain information and the first correspondence, that the second TSN device and the first TSN device belong to a same TSN domain.

Message transmission method and apparatus

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Shanghai, China

Qufang Huang