Huawei Technologies Co., Limited

Future Wei Technologies, Inc.

Xianda Liu

Kunpeng Liu

Young Hoon Kwon

Bingyu Qu

Bin Liu

Di Zhang

Xiang Gao

Leiming Zhang

Xueru Li

Mingxin Gong

Yongxing Zhou

Yan Cheng

Zukang Shen

Ruiqi Zhang

Liuliu Ji

Lei Guan

Xu Zhang

Jianqin Liu

Shengyue Dou

Ruixiang Ma

Jinlin Peng

Guohua Zhou

Younghoon Kwon

Dan Hu

Yongxia Lyu

Zijie Xu

Yu Gao

An information transmission method, an apparatus, and a device are disclosed. The method includes: A terminal receives first signaling, where the first signaling includes a first field, a state value of the first field is used to indicate a first spatial relation parameter for receiving a first channel, the state value of the first field is one of a plurality of candidate state values corresponding to the first field, and at least one of the plurality of candidate state values corresponds to two or more spatial relation parameters. The terminal obtains one or more target spatial relation parameters in the first spatial relation parameter, and receives the first channel based on the one or more target spatial relation parameters.

Spatial relation parameter selection method, apparatus, and device

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

This application discloses methods and apparatuses for sending a physical uplink shared channel (PUSCH) and relates to the communication field. A network device sends indication information to a terminal device, where the indication information is used to indicate first information and second information. The first information is used to indicate first precoding information corresponding to a first nominal PUSCH repetition. The second information is used to indicate second precoding information corresponding to a second nominal PUSCH repetition. The terminal device sends N PUSCHs based on precoding information indicated by the indication information. The precoding information corresponding to the N PUSCHs includes at least one of the first precoding information and the second precoding information.

Method for sending physical uplink shared channel and apparatus

This disclosure provides power indication methods and apparatuses for wireless communications. In an implementation, a method includes: receiving antenna transmit capability information from a terminal device, wherein the antenna transmit capability information indicates whether a maximum transmit power value of a physical uplink shared channel (PUSCH) corresponding to each sounding reference signal (SRS) port in a SRS resource reaches a preset power value, and determining based on the antenna transmit capability information, whether the maximum transmit power value of the PUSCH corresponding to each SRS port in the SRS resource reaches the preset power value.

Power indication method and apparatus

The present disclosure relates to communication methods and apparatus. In one example method, a terminal device receives first indication information, where the first indication information is used to indicate grouping information of N control resource sets in M control resource sets, N is less than M, and N and M are positive integers greater than or equal to 1. The terminal device determines grouping information of K control resource sets other than the N control resource sets in the M control resource sets based on the first indication information.

The present disclosure relates to resource determining methods and apparatus. One example method includes receiving, by a terminal, N pieces of channel measurement reference signal configuration information, where each of the N pieces of channel measurement reference signal configuration information is used to indicate a time domain resource occupied by a channel measurement reference signal on one carrier, serving cell, or bandwidth part, and N is a positive integer, and determining, by the terminal based on the N pieces of channel measurement reference signal configuration information, an orthogonal frequency division multiplexing (OFDM) symbol occupied by a demodulation reference signal (DMRS) in a first time unit.

Resource determining method and apparatus

Example data transmission methods and apparatus are described. One example method includes determining an actual transmit power for first uplink data by a terminal device based on a determined channel transmit power and a transmission parameter. The actual transmit power is less than or equal to the channel transmit power, and the transmission parameter includes one or more of parameters that can be used to indicate a location of the terminal device. The terminal device sends the first uplink data at the actual transmit power. Therefore, the terminal device may determine the actual transmit power for the uplink data based on the channel transmit power and various transmission parameters that can indicate whether the terminal device is located at a cell edge, so that the actual transmit power for the uplink data can be flexibly adjusted.

Data transmission method and apparatus

This application provides a reference signal transmission method and an apparatus, used in a multipoint coordination transmission scenario. In one example method, a frequency domain resource that carries a target reference signal in a frequency domain resource or a time domain resource that is associated with each QCL assumption may be separately determined, and then the target reference signal carried on the frequency domain resource that is associated with the QCL assumption is separately received by using the corresponding QCL assumption.

Reference signal transmission method and apparatus

This application relates to a communications method and apparatus, and a device. The communications method includes: A terminal device determines a first codeword set, where the first codeword set includes a first codeword, the first codeword is a 4×1 matrix, and each element in the matrix is a non-zero element.

Communications method and apparatus, and device

Example demodulation reference signal (DMRS) A DMRS port indication methods and apparatus are provided, to meet NC JT transmission. In one example method, a network device determines DMRS port indication information and quasi-co-location (QCL) indication information, and sends the DMRS port indication information and the QCL indication information. The DMRS port indication information is used to indicate a DMRS port set, the DMRS port set is one of a plurality of DMRS port sets.

DMRS port indication method and apparatus

This disclosure provides example wireless communication methods and communication apparatuses. One example method includes that a network device sends indication information of m first symbol groups used for repeated transmission of a first transport block (TB) to a terminal. The terminal and the network device determine, according to a same rule, a quasi co-location (QCL) assumption corresponding to each of second symbol groups actually used when the first TB is sent or received.

Wireless communication method and apparatus and communication device

This application provides a sequence-based signal processing method and apparatus. An example signal processing method includes: determining a sequence {x} including N elements, where N is equal to 18 and the sequence {x} satisfies a preset condition; generating a first signal based on the sequence {x}; and sending the first signal.

Sequence-based signal processing method and apparatus

The present disclosure relates to power indication methods and apparatus. In one example method, a terminal generates antenna transmit capability information, where the antenna transmit capability information is used to indicate whether a maximum transmit power value of each transmit antenna port of the terminal reaches a preset power value, or the antenna transmit capability information is used to indicate a maximum transmit power value of each transmit antenna port of the terminal. Then, the terminal sends the antenna transmit capability information to a network device.

This application provides a communications method and apparatus, to improve uplink transmission performance. The method includes determining, by a terminal device, capability indication information and sending the capability indication information to a network device. The capability indication information is used to determine a power scaling factor, the power scaling factor is a ratio of a sum of actual transmit power of n non-zero antenna ports to channel transmit power, and a maximum value of the channel transmit power is a rated maximum transmit power of a system.

Communications method and apparatus

A method for operating an access node includes sending a configuration of one or more first channel state information reference signal (CSI-RS) resources and a configuration of one or more sounding reference signal (SRS) resources, generating first control information including an identifier of a SRS resource set that includes the one or more SRS resources precoded by one or more precoders, generating second control information including an identifier of the one or more first CSI-RS resources, wherein the one or more first CSI-RS resources are associated with the identified SRS resource set, wherein the one or more first CSI-RS resources convey a downlink reference signal (RS) used for making measurements, and wherein the one or more precoders are determined in accordance with measurements of the downlink RS, sending the first control information and the second control information, and sending the downlink RS.

Growing community of inventors

Beijing, China

Xianda Liu