Huawei Technologies Co., Limited

Future Wei Technologies, Inc.

Quanzhong Gao

Liwen Zhang

Chaoyi Yan

Heng Xu

Yunsong Yang

Wei Zhu Chen

Guochen Liu

Hui Huang

Yong Qing Wang

Yong Wang

Jianmin Lu

Hongjie Hu

Chaobin Yang

Fan Wang

Hao Tang

Tao Wu

Wei Chen

Lin Zhou

Xiaojun Zheng

Shuai Chen

Hui Gao

Mingxia Xu

Chengzhi Zhu

Fengyong Qian

Zhe Liu

Kai Xu

Senbao Guo

David Jean-Marie Mazzarese

Jing Liu

Guohua Zhou

Jian Wang

Shuqin Xiao

Zhihua Liu

Patrick Hosein

Zhiming Li

Chen Wang

Chao Zhang

Zhou Xu

Pramod Viswanath

Ning He

Bin Xiong

Liping Yang

Qingshun Liu

Fang Zhang

Yajun Kou

Jiyu Ye

Jianbiao Xu

Ying Tan

Shikui Guo

Liwei Ge

Yanmin Qin

Mingtao Xu

Quan Ge

Fazhong Si

Qingrong He

Kunchao Bao

In one example method, an access network device sends a plurality of pieces of time division multiplexing mode information to a terminal, where each of the plurality of pieces of time division multiplexing mode information indicates one time division multiplexing mode, and in the time division multiplexing mode, time division multiplexing is performed on a first uplink time domain resource and a second uplink time domain resource, the first uplink time domain resource is an uplink time domain resource of a first carrier, and the second uplink time domain resource is an uplink time domain resource of a second carrier. The access network device sends first information to the terminal, where the first information activates one of the plurality of time division multiplexing modes indicated by the plurality of pieces of time division multiplexing mode information.

Resource configuration method and communication apparatus

A spectrum resource determining method includes obtaining sharing information. The sharing information indicates that N first cells and one second cell share a first frequency band, a coverage area of each first cell among the N first cells overlaps a coverage area of the second cell, and N is an integer greater than 1. The method also includes determining a spectrum resource of each first cell among the N first cells in the first frequency band and a first spectrum resource of the second cell. The first spectrum resource is located in the first frequency band, and the first spectrum resource does not overlap the spectrum resource of each first cell among the N first cells in the first frequency band.

Spectrum resource determining method and apparatus

Example uplink switching methods and apparatus are described. One example method include performing switching between a supplementary uplink (SUL) and a normal (NUL), where a switching time period for the switching between the SUL and the NUL is longer than 0 microseconds. Therefore, the SUL and the NUL can share a radio frequency channel so that the shared radio frequency channel can be switched between the SUL and the NUL.

Uplink switching method, communication apparatus, and communication system

Embodiments of this application relate to the communications field, and provide a data transmission control method. The method includes: obtaining, by the first communications apparatus, radio frequency signals; processing, by the first communications apparatus, at least two parts of signals in the radio frequency signals in at least two functional split manners, to generate at least two parts of transmission signals, where each part of signals in the radio frequency signals is processed in one functional split manner, and different parts of signals in the radio frequency signals are processed in different functional split manners; and sending, by the first communications apparatus, the at least two parts of transmission signals to the second communications apparatus.

Data transmission control method, apparatus, and access network device

This application provides a method for adjusting a half-power angle of an antenna, to adjust a maximum half-power angle or a maximum beam gain of an individual transceiver channel. The method includes: first determining that M antenna elements in N antenna elements connected to a first transceiver channel of an access network device need to be turned on or off, where N>M≥1, and both N and M are integers, that is, a quantity of antenna elements driven by the first transceiver channel needs to be adjusted; and then sending first indication information to the access network device, where the first indication information is used to indicate to turn on or off the M antenna elements.

Method and apparatus for adjusting half-power angle of antenna

A method for adjusting a half-power angle of an antenna, to adjust a maximum half-power angle or a maximum beam gain of an individual transceiver channel, includes: first determining that M antenna elements in N antenna elements connected to a first transceiver channel of an access network device need to be turned on or off, where N&#x3e;M&#x2265;1, and both N and M are integers, that is, a quantity of antenna elements driven by the first transceiver channel needs to be adjusted; and then sending first indication information to the access network device, where the first indication information is used to indicate to turn on or off the M antenna elements.

An interference determining method, includes: obtaining first frequency information of a first resource; obtaining second frequency information of a second resource, where a frequency indicated by the first frequency information is lower than a frequency indicated by the second frequency information; determining, based on the first frequency information, harmonic frequency information corresponding to the first resource; and determining, based on the harmonic frequency information and the second frequency information, harmonic interference information between the first resource and the second resource.

Interference determining method and network device

An uplink signal transmission method includes receiving, by an active antenna unit of a base station, a first uplink signal sent by a terminal in a first band. The method also includes sending, by the base station, the first uplink signal to a first baseband processing unit of the base station corresponding to a second band for demodulation. The active antenna unit of the base station includes a first array antenna corresponding to the first band and a second array antenna corresponding to the second band. The first band is lower than the second band.

Uplink signal transmission method and system, and base station

Embodiments of this application relate to the field of wireless communications technologies, and provide an access method, a switch method, and an apparatus. The access method includes: receiving, by a terminal, a system message via a downlink carrier, where the system message includes information used to indicate a frequency channel number of a second uplink carrier; and initiating, by the terminal, random access via the second uplink carrier, where a frequency channel number of the downlink carrier belongs to a first frequency band, and a frequency channel number of the second uplink carrier belongs to a second frequency band.

Communication method and apparatus

An uplink resource grant method includes receiving, by a terminal, configuration information from a network device, where the configuration information includes information about a first uplink resource and information about a second uplink resource, and searching, by the terminal, a search space for a downlink control channel to obtain grant information. The search space includes a first control channel candidate set when the downlink control channel carries grant information of the first (or the second) uplink resource, and the search space includes a second control channel candidate set when the downlink control channel carries grant information of the second (or the first) uplink resource or grant information of a downlink resource. The first control channel candidate set is the same as the second control channel candidate set.

Uplink resource grant methods and apparatus

This application provides example data dimension reduction methods, apparatus, and systems, computer devices, and storage mediums, and relates to the communications field. One example method includes receiving an antenna domain received signal, where the antenna domain received signal includes an uplink signal that is received from UE by an array antenna corresponding to an RRS, wherein the antenna domain received signal is a time domain signal, a dimension of the antenna domain received signal is N, and Nis an integer greater than 1. A received beam weight is obtained based on channel information of the UE. Dimension reduction is performed on the antenna domain received signal by using the received beam weight to obtain a beam domain received signal, where the beam domain received signal is a frequency domain signal, a dimension of the beam domain received signal is N, and 0 &#x3c;N&#x3c;N.

Data dimension reduction method, apparatus, and system, computer device, and storage medium

Embodiments of this application disclose a cross-standard scheduling method and a base station, used for unified scheduling of UEs in different standards by using a unified scheduler, to achieve space division multiplexing of a spectrum resource, where different standards may share the spectrum resource. A unified scheduler is disposed in the base station in the embodiments of this application. The method and the base station may obtain downlink channel information of UEs operating using different standards and in overlapping coverage range. The method and the base station may determine a scheduling result using the unified scheduler based on the obtained downlink channel information of the UEs. The method and the base station may schedule the UEs based on the scheduling result.

Cross-standard scheduling method and base station

The present disclosure relates to spectrum resource allocation methods. One example method includes a base station obtains, in real time, a network access request message from a terminal, where the network access request message includes at least one of a network standard supported by the terminal, an access service of the terminal, or QoS of the access service, the base station dynamically allocates spectrum resources to different network standards based on the network access request message, and the base station sends a first network standard access indication message to the terminal, where the terminal accesses a service based on the first network standard access indication message via a corresponding network standard.

Dynamic spectrum resource allocation for full spectrum sharing

A method for calibrating a channel between radio remote unit (RRUs) includes: for each subcarrier in M subcarriers in full bandwidth, instructing, by a baseband unit (BBU), a reference RRU to transceive a calibration signal on the subcarrier by using a reference channel and a preset channel in a preset RRU, and calculating a calibration coefficient; and determining a first correspondence according to M calibration coefficients obtained by means of calculation, where the first correspondence includes a correspondence between a frequency of each subcarrier and the calibration coefficient on the subcarrier, 2&#x2264;M&#x3c;N, N is a total quantity of subcarriers in the full bandwidth, and both M and N are integers.

Method and apparatus for calibrating channel between radio remote units RRUs

A beamforming method and apparatus are disclosed, to expand coverage of a PDCCH in a particular direction, and improve demodulation performance of the PDCCH. Under this method, a cell-specific reference signal CRS wide beam can be combined by a base station with N CRS narrow beams to form N CRS composite beams. A first beam can be selected by the base station from the N CRS composite beams. Beamforming processing can be performed by the base station on a physical downlink control channel (PDCCH) based on a weight of the first beam to form a second beam. The first beam and the second beam can be sent.

Beamforming method and apparatus

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Shanghai, China

Quanzhong Gao