Huawei Technologies Co., Limited

Liwen Zhang

Hao Tang

Wei Chen

Wei Zhu Chen

Kai Xu

Zhou Xu

Lin Zhou

Yong Qing Wang

Zhiqiang Ju

Quan Ge

Zhe Liu

Liang Jie Xu

Jing Zhang

David Jean-Marie Mazzarese

Yong Wang

Jing Jing Zhang

Junchao Li

Bo Cheng

Guohua Zhou

Xiaoyan Shi

Jian Wang

Quanzhong Gao

Zhihua Liu

Xia Li

Ning He

Xiaojun Zheng

Bin Xiong

Shuai Chen

Liping Yang

Heng Xu

Dongyu Chu

Fang Zhang

Han Qi Zhang

Guochen Liu

Liangliang Li

Liang Xu

Xu Wang

Shuqin Xiao

Ning Hu

Xiaofeng Ren

Yuhong Dai

Chaobin Yang

Xiaoyi Cui

Kaifeng Yang

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

The present disclosure relates to communication methods and apparatus. In one example method, a terminal sends, to a network device, a quantity of radio frequency channels supported on each of a plurality of carriers when the terminal performs uplink transmission on the plurality of carriers in time division multiplexing (TDM) mode. The terminal reports, to the network device, a quantity of radio frequency channels used on each carrier when the terminal performs uplink transmission in TDM mode, so that the network device can configure, for the terminal based on an actual capability of the terminal, the quantity of radio frequency channels used on each carrier in TDM mode.

Communication method and apparatus for uplink multi-carrier MIMO transmissions

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

A radio frequency capability configuration method and an apparatus, the method including sending, by a network device, to a terminal, configuration information configuring M sets of radio frequency capabilities, where each set of radio frequency capabilities includes one or more radio frequency capabilities on one or more carriers, where a radio frequency capability on each carrier of the one or more carriers comprises a quantity of multiple-input multiple-output (MIMO) layers, and where M is an integer greater than 1, and sending, by the network device, to the terminal, first indication information to the terminal, where the first indication information indicates a set of radio frequency capabilities in the M sets of radio frequency capabilities.

Radio frequency capability configuration 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

In an embodiment a method includes, after establishing a radio resource control (RRC) connection to an access network device on a first supplementary uplink SUL, receiving configuration information of a second (SUL) from the access network device and initiating random access on the second SUL, wherein a frequency of the second SUL is different from a frequency of the first SUL.

SUL configuration method and communication apparatus

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

A communication method, a terminal, and a network device are provided. The method includes: receiving, by a terminal, a downlink reference signal sent by a network device in a first cell, and determining a downlink path loss estimate between the terminal and the first cell based on the downlink reference signal; and sending, by the terminal, an uplink signal in a second cell, where uplink transmit power used by the terminal to send the uplink signal is determined based on the downlink path loss estimate.

Communication method, terminal, and network device

An uplink control method, includes: determining a downlink path loss based on a first reference signal receive power that is of a serving cell in which the terminal device is located and that is obtained through measurement; receiving a first transmit power and a second transmit power that are sent by the base station; and if the first reference signal receive power is greater than or equal to a preset threshold, obtaining, by the terminal, an uplink transmit power of the terminal in a first network; or if the first reference signal receive power is less than a preset threshold, obtaining, by the terminal, an uplink transmit power of the terminal in the first network.

Uplink control method, apparatus, and system

A synchronization method including: receiving, by a terminal, a system message on a first downlink carrier, where the system message includes first indication information and second indication information, the first indication information indicates a frequency domain range of a first uplink carrier, the second indication information indicates a frequency domain range of a second downlink carrier, and a frequency of the first uplink carrier is presynchronized with a frequency of the second downlink carrier; and receiving, by the terminal, a synchronization signal on the second downlink carrier, to implement frequency synchronization with the first uplink carrier. According to the synchronization method in NR-LTE co-existence, a terminal can implement frequency synchronization with an LTE uplink carrier, so that the terminal can perform uplink transmission by using a frequency domain resource in the LTE uplink carrier.

Synchronization method and apparatus

Embodiments of the present invention provide a user equipment scheduling method and device, where the method includes: predicting, according to radio resource information stored in an information sub-grid of an information grid, channel status information of first user equipment when the first user equipment is located in a geographical area in which any geographical sub-grid of a geographical grid is located, where there is a correspondence between an information sub-grid of the information grid and a geographical sub-grid of the geographical grid, and the information sub-grid is used to store radio resource information of a geographical area in which the corresponding geographical sub-grid is located; and scheduling the first user equipment according to the channel status information of the first user equipment.

Method and device for user equipment scheduling

A method includes: acquiring a first report message of an operation event in a source system; acquiring a second report message of the operation event in a target system; and correlating the first report message with the second report message according to the first user equipment identifier and the second user equipment identifier, and performing event statistics collection according to the correlated first report message and second report message.

Method and device for message processing between communications systems

Embodiments disclose a radio network information management method and a network device. A radio network information management method is disclosed, where the method includes determining that a user equipment UE exists in a first mobility management unit, and determining radio network information of the first mobility management unit according to measurement statistic information of the UE in the first mobility management unit. It is therefore implemented that a granularity of acquiring and managing radio network information in a cell is per mobility management unit, and for a complex cell coverage environment, difference a neighboring cells between different areas of the cell and difference about interference between different areas of the cell are specified. The embodiments further disclose a network device.

Radio network information management method and network device

Growing community of inventors

Shanghai, China

Liwen Zhang