公开(公告)号：US10299111B2

公开(公告)日：2019-05-21

申请号：US15445575

申请日：2017-02-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ye Wu ,  Xiaoyan Bi ,  Deli Qiao ,  Dageng Chen ,  Rongdao Yu

IPC: H04W8/24 ,  H04W76/27 ,  H04W72/04 ,  H04W74/08 ,  H04B7/0404 ,  H04B7/06 ,  H04L5/00

Abstract: Embodiments disclose an antenna information sending method and device, and an antenna information receiving method and device. The method includes: obtaining first antenna information of a terminal device, where the first antenna information includes at least one or more of a maximum number of layers for uplink spatial multiplexing that are supported by the terminal device, an antenna number supported by the terminal device, or whether the terminal device supports smart switch on/off of UE's antenna ports. The method also includes sending the first antenna information to a base station. In this way, the terminal device can control, according to a service requirement of the terminal device, an antenna deployed on the terminal device, and report antenna information of the terminal device to the base station in a timely manner.

公开(公告)号：US10164720B2

公开(公告)日：2018-12-25

申请号：US15192596

申请日：2016-06-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lu Rong ,  Dageng Chen

IPC: H04B17/12 ,  H04B7/024 ,  H04B7/0413 ,  H04B7/0456 ,  H04B17/14 ,  H04L5/00

Abstract: Embodiments of the present invention provide a method and an apparatus for reciprocity calibration between base stations, which relate to the communications field, and can improve precision of reciprocity calibration between base stations. The method includes: obtaining, by each base station by means of calculation, a precoding vector corresponding to a selected subcarrier of the base station; sending, by all the base stations to UE by using the selected subcarriers of the base stations, downlink user-dedicated reference signals that are mutually orthogonal between cells corresponding to the base stations; obtaining, by each base station, an inter-base station calibration compensation coefficient of the selected subcarrier of the base station; and adjusting, by each base station, a self-calibration matrix of the selected subcarrier according to the inter-base station calibration compensation coefficient of the selected subcarrier of the base station.

公开(公告)号：US20170264464A1

公开(公告)日：2017-09-14

申请号：US15606396

申请日：2017-05-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haihua Shen ,  Dageng Chen

IPC: H04L25/02 ,  H04L5/00

CPC classification number: H04L25/0202 ,  H04L5/0005 ,  H04L25/00 ,  H04L2001/0096 ,  H04W72/04

Abstract: The present disclosure discloses a method for processing data, a network node, and a terminal. The method includes determining a first data block division manner according to first baseband capability information, where the first baseband capability information includes at least one piece of: capability information, space layer information, or time-frequency resource information of a baseband processing unit. The method also includes dividing a to-be-sent data block into first processing blocks according to the first data block division manner and performing first baseband processing on the first processing block based on a granularity of the first processing block.

公开(公告)号：US20170214449A1

公开(公告)日：2017-07-27

申请号：US15481845

申请日：2017-04-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoyan Bi ,  Dageng Chen

IPC: H04B7/06 ,  H04B7/0456 ,  H04L25/02 ,  H04B7/04

CPC classification number: H04B7/0639 ,  H04B7/0421 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0626 ,  H04L1/06 ,  H04L25/0248

Abstract: Embodiments of the present invention provide a precoding information obtaining apparatus. The apparatus includes: a determining module, configured to determine a transformation quantity according to a steering vector of an antenna form and a departure-angle range; a sending module, configured to send, to a terminal, information about the transformation quantity determined by the determining module, where the information about the transformation quantity is used by the terminal to determine a PMI according to the information about the transformation quantity, a codebook used for obtaining channel information, and a pilot measurement result; and a receiving module, configured to receive the PMI reported by the terminal. A network node sends a transformation quantity containing antenna information to a terminal, and the terminal feeds back a PMI according to the transformation quantity.

公开(公告)号：US09313011B2

公开(公告)日：2016-04-12

申请号：US14021380

申请日：2013-09-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bing Gong ,  Dageng Chen ,  Xueli Kong

IPC: H04J3/00 ,  H04L5/00 ,  H04W72/08 ,  H04B7/02 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04L5/006 ,  H04B7/022 ,  H04B7/0452 ,  H04B7/0632 ,  H04W72/085

Abstract: A method and an apparatus for scheduling terminals in a system with multiple antenna elements combining into a common cell are provided. The method includes: receiving channel quality information fed back by the multiple terminals in the common cell, determining, according to the channel quality information fed back by the multiple terminals, all terminals capable of being bound to each antenna element; determining a first antenna element among the antenna elements in the common cell on a first time domain resource within a scheduling granularity, determining a terminal to be served on the first time domain resource, and beginning to serve the terminal; and scheduling all terminals capable of being bound to the first antenna element on each remaining time domain resource within the scheduling granularity, determining a terminal to be served on each remaining time domain resource, and beginning to serve the terminal.

Abstract translation: 提供了一种用于在具有组合成公共小区的多个天线元件的系统中调度终端的方法和装置。 该方法包括：接收由公共小区中的多个终端反馈的信道质量信息，根据由多个终端反馈的信道质量信息确定能够绑定到每个天线元件的所有终端; 在调度粒度内确定第一时域资源上的公共小区中的天线单元中的第一天线元素，确定要在第一时域资源上服务的终端，并开始服务终端; 并且调度在调度粒度内能够绑定到每个剩余时域资源上的第一天线元素的所有终端，确定要在每个剩余时域资源上被服务的终端，并开始服务终端。

公开(公告)号：US20150124765A1

公开(公告)日：2015-05-07

申请号：US14597524

申请日：2015-01-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lu Rong ,  Dageng Chen

IPC: H04B7/04 ,  H04W72/04

CPC classification number: H04B7/0465 ,  H04W52/367 ,  H04W52/42 ,  H04W72/0473

Abstract: A method and an apparatus for adjusting transmit powers of base station antennas, and a base station are provided. The method includes receiving an input precoding matrix of a transmit power-limited antenna set, where the precoding matrix is determined according to a scheduling result of a user equipment communicating with a base station in each layer of each subband in a system; adjusting the precoding matrix according to a transmit power limit requirement of the transmit power-limited antenna set, a system capacity improvement requirement, or a coverage performance improvement requirement to obtain an adjusted precoding matrix; and adjusting a stream transmit power of the transmit power-limited antenna set by using the adjusted precoding matrix.

Abstract translation: 提供了一种用于调整基站天线的发射功率的方法和装置，以及基站。 该方法包括接收发射功率限制天线组的输入预编码矩阵，其中根据在系统中每个子带的每层中与基站通信的用户设备的调度结果来确定预编码矩阵; 根据发射功率限制天线组的发射功率限制要求，系统容量改善要求或覆盖性能改善要求来调整预编码矩阵以获得经调整的预编码矩阵; 以及通过使用经调整的预编码矩阵来调整发射功率限制天线组的流发射功率。