Huawei Technologies Co., Limited

Telefonaktiebolaget Lm Ericsson (publ)

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Huazhong University of Science and Technology

Zhiheng Guo

Daniel Chen Larsson

Xinghua Song

Shaohua Li

Wei Sun

Jinhua Liu

Rui Fan

Xingqing Cheng

Hai Feng Wang

Lei Wan

Erik A Eriksson

Yongxia Lyu

Qiang Wu

Ruiqi Zhang

Zukang Shen

Jianfeng Wang

Jian Yu

Qingyu Miao

Huaisong Zhu

Leiming Zhang

Zhan Zhang

Qianxi Lu

Jianghua Liu

David Astely

Jianqin Liu

Li Chai

Yang Hu

Lei Guan

Henrik Sahlin

Yu Yang

Sha Ma

Xinqian Xie

Yongqiang Fei

Wenping Bi

Yi Long

Yue Zhao

Qian Wu

Hai Shan Wu

Yang Zhao

David Jean-Marie Mazzarese

Yawei Yu

Jiansong Gan

Chaojun Li

Bin Xu

Fredrik Berggren

Imadur Rahman

Xiang Gao

Meng Hua

Mikael Coldrey

Qi S Wang

Youping Su

Feng Yuan

Liyan Su

Muhammad Imadur Rahman

Zhao Zhao

Daniel Larsson

Long Qin

Defa Wu

Yinshui Liu

Zhuo Jiang

Xiaofeng He

Bihai Zhu

Xuyao Mao

Jingyue Chen

Shaozhong Lu

Hai Wang

Shaohua Ll

An uplink transmission method includes receiving a first message that is used to configure a first uplink resource. The method also includes performing uplink transmission on the first uplink resource. The first uplink resource includes at least a first part and a second part in a first time period, a phase deviation of uplink transmission between the first part and the second part falls within a first threshold range, or a power deviation of uplink transmission between the first part and the second part falls within a second threshold range. The first time period is a duration between a start time and an end time of the first uplink resource in a first time length, or a duration between a start time and an end time of the first uplink resource in a first transmit opportunity.

Uplink transmission method and apparatus

This application relates to the field of communications technologies, and discloses a communication method and a communications apparatus. A terminal device receives first indication information from a network device, where the first indication information indicates an available frequency domain resource, in a bandwidth, which can be used by the terminal device to communicate with the network device. The bandwidth is one carrier bandwidth or one carrier bandwidth part. The available frequency domain resource includes a plurality of non-contiguous frequency domain resource groups, and each frequency domain resource group includes one or more contiguous frequency domain resource blocks. The terminal device determines the available frequency domain resource in the bandwidth based on the first indication information.

Communication method and communications apparatus using frequency domain resource groups

An information receiving method and apparatus, and an information sending method and apparatus are disclosed. The information receiving method includes: A terminal device receives first configuration information from a network device, where the first configuration information carries precoding indication information of each resource unit of N resource units allocated to the terminal device; and the terminal device performs precoding processing on uplink data carried on each resource unit by a precoding matrix corresponding to the precoding indication information of each resource unit, based on the first configuration information. In this method, the terminal device determines, based on the precoding indication information, a quantity N and sizes of the resource units obtained through division.

Information sending method and apparatus, and information receiving method and apparatus

A method for wireless communication and an apparatus are provided, comprising: determining location information, wherein the location information indicating a quantity of M subcarrier spacings between a second location of a physical resource block (PRB) in a system common PRB grid and a first location in a synchronization signal block, the system common PRB grid having a first subcarrier spacing, the first location being a beginning subcarrier of the synchronization signal block and the first location overlapping with the PRB; sending the location information via a broadcast message.

Physical resource block PRB grid indication method and device

A terminal receives configuration information of a first reference signal from a network device; and sends, based on the configuration information, uplink signals to the network device in at least two time units, wherein the uplink signals each comprise uplink data and the first reference signal, the at least two time units comprise a first time unit and a second time unit, the first time unit is adjacent to and located before the second time unit, the first reference signal is carried on the first N symbols in symbols that are in the second time unit and on which the uplink signal is located, the first reference signal is carried on the last M symbols in symbols that are in the first time unit and on which the uplink signal is located, and N and M are integers greater than or equal to 1.

Reference signal sending method, reference signal receiving method, apparatus, and system

A method includes: receiving first signaling, wherein the first signaling comprises demodulation reference signal (DMRS) patterns configured for N time units, each DMRS pattern is used to indicate a quantity of DMRSs in each time unit, the quantity of DMRSs in each time unit is a total quantity of time domain symbols occupied by all DMRSs in the time unit, DMRSs configured for at least two of the N time units occupy different total quantities of time domain symbols, and N is a positive integer greater than 1; and receiving or sending data in the N time units based on the total quantity of time domain symbols occupied by all the DMRSs in each time unit.

Method for obtaining configuration information of demodulation reference signal, configuration method, and apparatus

This application relates to a communication method, a communication apparatus, a terminal device, and a network device. The terminal device receives first signaling from the network device, where the first signaling indicates the terminal device to send a first uplink signal to the network device on a first uplink carrier, and the first signaling further indicates a first frequency. Further, the terminal device sets an operating frequency of the terminal device based on the first frequency after sending the first uplink signal on the first uplink carrier; or the terminal device sets an operating frequency of the terminal device based on the first frequency before an end moment of a time unit in which the first uplink signal is located.

Communication method, communication apparatus, terminal device, and network device

Embodiments of this application provide an information sending method, an information receiving method, and a related device. In the information sending method, a network device sends first signaling that carries first indication information, and the network device further sends second signaling that carries second indication information. The first indication information indicates a subset identifier corresponding to a first precoding subset in a first codebook. The first codebook includes a plurality of precoding subsets. Each precoding subset includes a plurality of precoding matrices, and different precoding subsets correspond to different subset identifiers. The second indication information indicates a matrix identifier corresponding to a first precoding matrix in the first precoding subset. Precoding matrices in the first precoding subset correspond to different matrix identifiers, and the first precoding matrix is used to precode a physical uplink shared channel (PUSCH) carried on a first subband.

Information sending method, information receiving method, and related device

This application discloses a precoding matrix determining method and an apparatus. The method includes: A terminal device receives first precoding indication information from a network device; and the terminal device determines, from a first codebook set, a first precoding matrix indicated by the first precoding indication information, where the first codebook set includes the first precoding matrix, a second precoding matrix, and a third precoding matrix, an element at a first position in the first precoding matrix is equal to a value of exponentiation with a first value as an exponent and a natural constant as a base.

Precoding matrix determining method and apparatus

A communication method includes determining, by a network device, a first signal. The first signal includes a primary synchronization signal PSS, a secondary synchronization signal SSS, and a first physical broadcast channel PBCH. A frequency domain bandwidth occupied by the PSS, the SSS, and the first PBCH is less than 240 subcarriers. The PSS, the SSS, and the first PBCH are mapped to different time-domain symbols. The method also includes sending, by the network device, the first signal.

Communication method and apparatus

A communication method and apparatus are provided. A terminal device determines a first transmission time period and a second transmission time period, where the first transmission time period includes X1 time units, the second transmission time period includes X2 time units, and the first transmission time period does not overlap the second transmission time period. The terminal device sends a first reference signal in the first transmission time period and a first uplink signal in the second transmission time period, where the first uplink signal includes at least one of a physical uplink shared channel (PUSCH), a physical uplink control channel (PUCCH), or a demodulation reference signal (DMRS). Therefore, the terminal device may additionally send the first reference signal, to improve uplink channel estimation performance of a network device. This improves coverage performance of a communication system.

Embodiments of this application disclose a communications method and apparatus. The method may include: determining, by a terminal device, a first signal to be sent on a first uplink carrier in a first time period, and determining a second signal to be sent on a second uplink carrier in a second time period, where when a first reference signal configuration manner is used for the second signal, a priority of the second signal is higher than a priority of the first signal, and the terminal device determines that a first symbol in the first signal is to be discarded; and the terminal device sends another symbol in the first signal other than the first symbol and the second signal to a network device, where the first time period and the second time period are adjacent in terms of time, and the second signal is a PUSCH.

Communications method and apparatus for ensuring correct transmission of a PUSCH

This application relates to a communication method and a communications device. The communication method includes: determining, a first signal to be sent on a first uplink carrier; determining a second signal to be sent on a second uplink carrier, where the first uplink carrier corresponds to a first radio access technology, and the second uplink carrier corresponds to a second radio access technology; and when a first transmission timing corresponding to the first signal is different from a second transmission timing corresponding to the second signal, and if the first signal and the second signal overlap in time domain, sending, a third signal, where the third signal is the second signal, or is the second signal or a part of the first signal, where the part of the first signal is carried on a symbol that does not overlap with a symbol corresponding the second signal.

Communication method and communications device

Embodiments of this application provide a data transmission method, an apparatus, and a system. The method includes: A terminal device determines first transmission time, and sends uplink data at a first power within the first transmission time. Correspondingly, a network device determines the first transmission time, and receives the uplink data within the first transmission time. Second transmission time includes the first transmission time, the first transmission time includes N1 time units, the second transmission time includes N2 time units, N1 is a positive integer, and N2 is a positive integer greater than N1.

Data transmission method, apparatus, and system

A communication method and a communications apparatus are provided, to resolve a problem of how to send and receive a remote interference management reference signal (RIM-RS) during remote interference measurement. The method includes determining a transmission resource of a reference signal based on identification information and parameter information, where the transmission resource includes one or more of a sequence, a frequency domain resource, and a time domain resource of the reference signal, the identification information is used to identify a network device, the parameter information includes sequence indication information and frequency domain indication information, the sequence indication information is used to indicate one or more candidate sequences, and the frequency domain indication information is used to indicate one or more candidate frequency domain resources. The method may further include sending the reference signal on the transmission resource.

Method and apparatus for reference signal transmission

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Beijing, China

Zhiheng Guo