Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Huawei Technologies Co., Limited

Xi'an Zte New Software Company Limited

Zte (usa) Inc.

Shanghai Zhongxing Software Company Limited

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Senbao Guo

Yunfeng Sun

Junfeng Zhang

Yu Ngok Li

Bo Dai

Yijian Chen

Zhaohua Lu

Jun Xu

Guanghui Yu

Chenchen Zhang

Feng Bi

Wenhao Liu

Wenfeng Zhang

Zhisong Zuo

Min Wei

Aihua Peng

Dongli Chen

Feng Li

YuNgok Li

Min Ren

Yuhong Gong

Nan Zhao

Ning Yang

Shuqiang Xia

Wei Gou

Bo Wang

Yan Xue

Changqing Zhu

Chunhui Le

Liyuan Zhong

Guibao Li

Kaibo Tian

Quanzhong Gao

Hong Tang

Weihua Wang

Zhijun Chao

Heng Xu

Ye Yang

Huaming Wu

Ruyue Li

Guochen Liu

Zhiying Wang

Jianbiao Xu

Xin Meng

Liwei Ge

Kexue Lu

Xinye Huang

Fengchen Ouyang

Xinghun Liang

Heng Qin

Embodiments of this application disclose a communication method and apparatus. Therefore, a beam gain of downlink channel transmission is improved, and a phase mismatch performance loss is small. The method in embodiments of this application includes: A network device may determine a first downlink statistical autocorrelation matrix of a downlink channel based on a first uplink statistical autocorrelation matrix of an uplink channel, indicate, based on a first weight indicated by a terminal, the terminal to receive a second weight of data, then determine a third weight different from the second weight based on the first downlink statistical autocorrelation matrix and the second weight, and send the data to the terminal based on the third weight.

Communication method and apparatus

Embodiments of this application disclose a user pairing method and a related device. The method includes: determining a first generation parameter of a first base sequence of a first user and a second generation parameter of a second base sequence of a second user, and the second base sequence is used to generate a second uplink reference signal of the second user; determining multiplexing evaluation information based on the first generation parameter and the second generation parameter, where the multiplexing evaluation information may include correlation strength between sequences and interference leakage width; determining, based on the multiplexing evaluation information, whether the first user and the second user are successfully paired; and determining, that the first user and the second user multiplex a same communication resource for communication based on being successfully paired.

User pairing method and related device

The present disclosure discloses example method, apparatus, and storage medium for improving multi-user multiplexing performance. One example method includes configuring base sequence identifiers by a network device for a plurality of terminals by using radio resource control (RRC) signaling, where there is no orthogonality between base sequences indicated by the base sequence identifiers of the plurality of terminals. Sounding reference signal (SRS) detection is performed on the plurality of terminals based on a quasi-orthogonal sequence, to obtain channel information for sending an SRS by each terminal. Channel prediction is performed based on the channel information of each terminal, to obtain a channel prediction result of each terminal.

Method and apparatus for improving multi-user multiplexing performance, device, and storage medium

This application provides a precoding method and an apparatus for improving a power utilization of antennas. The method includes: determining a generalized inverse matrix Hof a channel value matrix Hof K users in an miteration in J iteration operations, where m=1, 2, . . . , and J, 1≤J≤M−K+1, and M is a quantity of antennas; selecting, from a set S1based on H, an antenna index nand an update coefficient αcorresponding to n, where S1is a set of n unselected in antenna indexes n of the M antennas until an (m−1)iteration ends; determining a weight matrix Wbased on Hand α; and assigning a row in Wand corresponding to nto a row in a final weight matrix Wand corresponding to n, where Wis to adjust transmit powers of at least J of the M antennas to a preset maximum transmit power P after the J iteration operations end.

Precoding method and apparatus

Embodiments of this application disclose a multi-user pairing method and apparatus, and a base station. The method includes: obtaining an actual downlink channel parameter of user equipment UE at a moment t; calculating a correlation coefficient between the actual downlink channel parameter at the moment tand an actual downlink channel parameter of the UE at a moment t&#x2212;&#x394;t; determining a predicted downlink channel parameter of the UE at a moment tif the correlation coefficient is less than a preset threshold; and performing a multi-user pairing operation based on the predicted downlink channel parameter at the moment t

Multi-user pairing method and apparatus, and base station

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

A method for instructing CSI feedback signaling configuration and base station are provided, the method comprising: a base station side notifies a terminal side, via the first higher layer signaling of a UE-Specific, a CSI-RS resource for measuring CSI, the CSI-RS resource comprising at least one of: the time frequency position of the CSI-RS resource in a subframe, the antenna port number configuration of the CSI-RS resource, a period and a subframe offset of the CSI-RS resource, the sequence identifier of the CSI-RS resource, and the power control information of the CSI-RS resource; the base station side instructs the terminal side to feed back the CSI corresponding to the CSI-RS resource. In the present invention, the base station side flexibly configures the terminal side to feed back various kinds of CSI information, thus enabling the base station side to flexibly and dynamically acquire the CSI, and in turn realizing precise link self-adaption and data transmission, and reducing the uplink feedback overhead and measurement complexity of the terminal side.

Method for instructing CSI feedback signaling configuration and base station

Provided are a method and device for determining indication signalling of a pilot signal for channel measurement, and method and device for feeding back CSI. The method for determining indication signalling of pilot signal for channel measurement includes: a NodeB sends DL control signalling, which includes transmission resource configuration information of a non-periodic CSI-RS, to a terminal, wherein the transmission resource configuration information of the non-periodic CSI-RS is used for determining a location of the non-periodic CSI-RS, and the non-periodic CSI-RS is used for instructing the terminal to perform channel measurement. The non-periodic CSI-RS is determined according to the transmission resource configuration information of the non-periodic CSI-RS, and channel measurement is further performed according to the non-periodic CSI-RS, so that the problems of higher overhead and resource waste caused by periodical sending of a CSI-RS in the related art may be solved, resources are saved, and sending overhead is reduced.

Method and device for determining indication signalling of pilot signal for channel measurement and method and device for feeding back CSI

The present invention embodiment discloses an ultra-large bandwidth data transmission method, device and computer storage medium, said method comprising: a data transmission device sending data in accordance with a sub-frame level approach at a specified bandwidth of a long term evolution (LTE) system; wherein, the sampling rate of the data transmission device is m/n times a sampling rate corresponding to said specified bandwidth LTE system, m and n being positive integers.

Ultra-large bandwidth data transmission method, device and computer storage medium

Provided are message transmitting or receiving methods and devices, a base station, and a terminal. Uplink access signals are divided into a first pre-determined number of uplink access signal groups. An uplink access signal, which is transmitted in an uplink access beam form based on one or more uplink access signal groups, is received from a second communication node. An uplink access signal group to which the uplink access signal pertains is determined. One or more uplink access signals contained in the uplink access signal group are transmitted under at least one of the following restriction conditions: a restricted sequence transmitting order, a restricted transmitting occasion, and a restricted transmitting frequency domain position. An uplink access response message is transmitted to the second communication node over an uplink access response resource corresponding to the determined uplink access signal group.

Message transmitting or receiving methods and devices, base station, and terminal

The present disclosure discloses a scheduling configuration method, which includes that: a centralized control unit configures coordination parameters of different nodes, and distributed scheduling units in each node schedule user resources of the local nodes. The present disclosure also discloses a scheduling configuration device, which includes: a configuration unit and scheduling units, wherein the configuration unit is arranged in a centralized control unit and configured to configure coordination parameters of different nodes; and the scheduling units are arranged in each node and configured to schedule user resources of the local nodes. By the technical solutions of the present disclosure, the problem of time delay, caused by backhaul, of a non-coordination user in a centralized scheduling manner is solved; and coordination configuration is performed on parameters which are relatively semi-static or change more slowly to eliminate influence on user scheduling flexibility under the condition of implementing system transmission.

Scheduling configuration method and device, and storage medium

Provided are a parameter transmission method and device for interference coordination and an interference coordination method and device. The parameter transmission method includes that: a first Transmission Point (TP) specifies a part of resources in all available resources of the first TP; the first TP defines a set of shared parameters on the specified part of resources, wherein the set of shared parameters are used for performing interference coordination between the first TP and at least one second TP adjacent to the first TP; and the first TP sends the set of shared parameters to the at least one second TP. According to the technical solutions, space-domain Inter-Cell Interference Coordination (ICIC) may be adopted on the basis of a conventional ICIC technology to further enhance a capability of interference coordination between TPs.

Parameter transmission method and device for interference coordination, and interference coordination method and device

A method for instructing CSI feedback signaling configuration and base station are provided, the method comprising: a base station side notifies a terminal side, via the first higher layer signaling of a UE-Specific, a CSI-RS resource for measuring CSI, the CSI-RS resource comprising at least one of: the time frequency position of the CSI-RS resource in a subframe, the antenna port number configuration of the CSI-RS resource, a period and a subframe offset of the CSI-RS resource, the sequence identifier of the CSI-RS resource, and the power control information of the CSI-RS resource; the base station side instructs the terminal side to feed back the CSI corresponding to the CSI-RS resource.

A method, device and system for uplink synchronization are provided, which relate to a LTE-Advanced system and solve the problem that a first communication node and a second communication node may not perform normal communication. The method includes: the first communication node configures resource set information corresponding to N uplink receiving beam groups, wherein N&#x3e;0 and each uplink receiving beam group includes at least one uplink receiving beam; the first communication node detects uplink access signals on resource sets corresponding to one or more receiving beams according to the resource set information; and the first communication node sends uplink access response messages in responsive to uplink access signals meeting an uplink access condition after detecting the uplink access signals.

Method, device and system for uplink synchronization

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Shenzhen, China

Senbao Guo