Huawei Technologies Co., Limited

Shengyue Dou

Yuanjie Li

Ting Wang

Yi Qin

Haibao Ren

Jinyao Liang

Zhongfeng Li

Guohua Zhou

Jianqin Liu

Yu Sun

Yi Huang

Yuejun Wei

Min Zhang

Yan Cheng

Xiang Gao

Leiming Zhang

Jinlin Peng

Yi Ren

Weimin Xiao

Yi Bin Wang

Xiaoyan Bi

Hao Tang

Xi Zhang

Huangping Jin

Jing Liu

Ruiqi Zhang

Wei Han

Hua Li

Peng Guan

Shibin Ge

Xueru Li

Zijie Xu

Pengpeng Dong

Shuri Liao

Huiying Zhu

Liuliu Ji

Yu Gao

Erkai Chen

Jingwang Ma

Yongzhao Cao

Xiang Ren

Xianda Liu

Youlong Cao

Rui Xu

Yubo Yang

Mengying Ding

Zhenfei Tang

Feng Qian

Yuanzhou Hu

Ning He

Na Deng

Rongkuan Liu

Nijun Li

Kedi Wu

Weiqiang Yang

A data transmission method and a communication apparatus are provided. The method includes: A network device sends first information to a terminal. The terminal receives the first information, and determines an evaluation mode of user experience based on the first information. The terminal sends second information to the network device. The network device receives the second information, and communicates with the terminal based on the second information. The first information is used to configure the evaluation mode of user experience, the evaluation mode of user experience is one of a plurality of evaluation modes of user experience, the evaluation mode of user experience is used to evaluate impact of network transmission on user experience, and the second information includes information about the impact of the network transmission on user experience.

Data transmission method and communication apparatus

Embodiments of this application disclose example data transmission method; and example communication apparatuses. One example method includes receiving, by a first core network function entity, multi-stream transmission information of a service, where the multi-stream transmission information indicates that the service is transmitted via first split data and second split data. The first core network function entity can then receive, based on the multi-stream transmission information, first quality of service QoS configuration information and second QoS configuration information, where the first QoS configuration information corresponds to the first split data, and the second QoS configuration information corresponds to the second split data. The first core network function entity can then output the first QoS configuration information and the second QoS configuration information.

This disclosure provides a scheduling transmission method and an apparatus. According to the method, a scheduling priority of a terminal is determined based on an instantaneous rate of the terminal and a service type of a first service of the terminal, and the first service is transmitted with the terminal based on the scheduling priority of the terminal. The instantaneous rate of the terminal is positively correlated with the scheduling priority of the terminal, and a target video frame correct ratio of the first service is greater than a first threshold. The solutions of this application can be widely used in the fields of communication technologies, artificial intelligence, Internet of vehicles, Internet of smart home, and the like.

Scheduling transmission method and apparatus

This application provides an extended reality data transmission method and an apparatus. The method includes: determining that a data type is extended reality data; determining, based on the data type, to obtain, based on delay information and transmission error information, extended reality quality indicator XQI information corresponding to a target rate, where the XQI information indicates transmission quality of the extended reality data; and performing communication based on the XQI information.

Extended reality data transmission method and apparatus

A communication method and apparatus improve accuracy of correcting a frequency offset. Configuration information received from a network device provides for configuring one or more uplink reference signal resources each including a first time unit and a second time unit. The first time unit includes a first antenna port. The second time unit includes a second antenna port. An uplink reference signal is sent to the network device based on the configuration information.

Communication method and apparatus

A coding method and an apparatus are provided. XR data of different dimensions or different QoS requirements are distinguished during coding.

Coding method and apparatus

This application provides a wireless communication method and a communication apparatus. The method includes a terminal device receives a data frame from a second device by using a first device, and notifies the first device when the terminal device determines that a communication data block from the first device is not successfully received. After determining a protocol data packet corresponding to the communication data block, the first device notifies the second device that the first protocol data packet is not successfully transmitted. After determining a data unit that is in the data frame and that corresponds to the communication data block, the terminal device notifies the second device through second-step feedback.

Data frame transmission method and communication apparatus

This application provides a data sending method and a communication apparatus. The method includes: A first node determines, based on a quality of a channel between the first node and a second node, a sending time for starting to send data, where the first node is one of several candidate previous-hop nodes of the second node. The first node starts to send the data to the second node at the sending time. According to the data sending method, when a node needs to send data to a next-hop node of the node, the node may determine, based on quality of a channel between the node and the next-hop node of the node, a sending time for starting to send the data.

Data sending method and communication apparatus

A data sending method includes: performing, by a first node, rate matching to determine a first bit sequence; determining, by the first node, a first symbol sequence based on the first bit sequence, and determining some to-be-mapped symbols in the first symbol sequence; and mapping, by the first node, the symbols to a first resource, and sending the symbols.

Data sending method and apparatus

Embodiments of the present invention disclose a reference signal transmission method, including: sending, by a terminal, a first reference signal and a second reference signal; and correspondingly, receiving, by a network device, the first reference signal and the second reference signal, where the first reference signal is mapped to a plurality of symbols and is used for estimation of channel state information, the second reference signal is mapped to at least two of the plurality of symbols and is used for phase tracking, and a subcarrier to which the second reference signal is mapped on one of the at least two symbols has a same frequency-domain location as a subcarrier to which the second reference signal is mapped on the rest of the at least two symbols. With the foregoing solution, accuracy of channel state information estimation can be improved.

Reference signal transmission method, apparatus, and system

Example quasi co-location information determining methods and apparatus are described. One example method includes determining a quantity X of pieces of quasi co-location QCL information, where X is a positive integer. When it is determined that the quantity X of pieces of QCL information is two, and that DCI corresponding to a current data channel does not indicate QCL information of an antenna port of the data channel, or that an interval between the current data channel and the DCI corresponding to the data channel is less than a threshold, two pieces of default QCL information of the antenna port of the data channel are determined.

Quasi co-location information determining method, apparatus, and device

The present disclosure discloses an example communication method and apparatus. One example communication method includes receiving, by a first node, decoding information and coded data from a second node, where the coded data is obtained after data of a node group in which the first node is located is encoded, the data of the node group includes data expected to be received by at least two nodes in the node group, and the at least two nodes include the first node. Data expected to be received by the first node is obtained by the first node based on the decoding information and the coded data.

A signal demodulation method, a signal transmission method, and a related apparatus. The signal demodulation method includes: a terminal device receives a first tracking reference signal from a first transmission reception apparatus of a single frequency network cell; a second tracking reference signal occupying different time-frequency from the first tracking reference signal from a second transmission reception apparatus of the single frequency network cell; and receives indication information indicating tracking reference signals from the first transmission reception apparatus or the second transmission reception apparatus; determines, based on the one or more tracking reference signals for receiving the downlink signal, a first carrier frequency on which the downlink signal is to be received; receives the demodulation reference signal and the downlink data based on the first carrier frequency; and demodulates the downlink data based on the demodulation signal.

Signal demodulation method, signal transmission method, and related apparatus

This application provides a power control method, a terminal, and a network device. The power control method includes: receiving, by a terminal, at least one piece of downlink control information (DCI) sent by at least one network device, where the at least one piece of DCI includes at least two transmit power control commands; and determining, by the terminal, a transmit power on an uplink channel in a same carrier based on the at least two transmit power control commands. According to the power control method in the embodiments of this application, the terminal can determine the transmit power on the uplink channel based on a plurality of transmit power control commands, thereby ensuring efficient and proper power allocation and improving overall system performance.

Power control method, terminal, and network device

This application provides a method including: receiving first configuration information of an SRS resource from a network device, where the first configuration information includes a repetition factor of the SRS resource, and the repetition factor of the SRS resource is a quantity N of positions at which the SRS resource is mapped to a same subcarrier and mapped to at least one continuous symbol in one time unit, where N&#x2265;1 and is an integer; determining at least one first frequency domain resource to which the SRS resource is mapped in a first time unit.

Method and apparatus for sending sounding reference signal SRS

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Shanghai, China

Shengyue Dou