公开(公告)号：WO2018157852A1

公开(公告)日：2018-09-07

申请号：PCT/CN2018/077851

申请日：2018-03-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： MOLEV SHTEIMAN, Arkady ,  QI, Xiao-Feng

IPC: H04B17/12 ,  H04B7/0413 ,  H04B17/10

Abstract: A method, system, and computer-readable medium are provided for calibrating elements of a MIMO array. The method includes the steps of receiving samples of a signal from a plurality of antenna units included in the MIMO array, generating an antenna domain channel estimate based on the samples of the signal received from each antenna unit, estimating a set of spatial parameters based on the antenna domain channel estimate, generating a reconstructed channel based on the estimated set of spatial parameters, comparing the antenna domain channel estimate and the reconstructed channel to determine errors associated with a set of mismatch parameters for each antenna unit, and adjusting the set of mismatch parameters based on the errors. Each antenna unit in the plurality of antenna units is configured to sample the signal based on a clock corresponding with the antenna unit.

公开(公告)号：WO2017084583A1

公开(公告)日：2017-05-26

申请号：PCT/CN2016/106125

申请日：2016-11-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： MOLEV SHTEIMAN, Arkady ,  QI, Xiao-Feng

IPC: H04W24/00

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/005 ,  H04W16/28

Abstract: A method for channel estimation includes determining position information of a main transmission point with a primary transmission path to the communications device and of at least one mirror transmission point associated with the main transmission point by at least one secondary transmission path between the main transmission point and the communications device, estimating a primary channel between the main transmission point and the communications device and at least one secondary channel between the at least one mirror transmission point and the communications device in accordance with the position information of the main transmission point and of the at least one mirror transmission point and position information of antennas in an antenna array of the communications device, and instructing use of the estimated primary channel and the at least one estimated secondary channel.

Abstract translation: 用于信道估计的方法包括：确定具有到通信设备的主传输路径的主传输点以及与主传输点相关联的至少一个镜像传输点的位置信息，所述至少一个镜像传输点由至少一个次级 所述主传输点与所述通信设备之间的传输路径，根据所述位置信息估计所述主传输点与所述通信设备之间的主信道以及所述至少一个镜像传输点与所述通信设备之间的至少一个辅信道 主传输点以及通信设备的天线阵列中的至少一个镜像传输点和天线的位置信息，并且指示使用估计的主信道和至少一个估计的辅助信道。

公开(公告)号：WO2017076311A1

公开(公告)日：2017-05-11

申请号：PCT/CN2016/104487

申请日：2016-11-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： MOLEV SHTEIMAN, Arkady ,  QI, Xiaofeng

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0617 ,  H04B7/0413 ,  H04B17/20

Abstract: A method for operating a large scale multiple input multiple output (MIMO) communications device adapted to perform large scale MIMO communications includes determining beamforming coefficients for antennas of an antenna array in accordance with position information of antennas of the antenna array and directional information of a communications device with which the large scale MIMO communications device is communicating, applying the beamforming coefficients to the antennas of the antenna array, and communicating with the communications device using the antenna array.

Abstract translation: 一种用于操作适用于执行大规模MIMO通信的大规模多输入多输出（MIMO）通信设备的方法，包括：根据天线的位置信息确定天线阵列的天线的波束形成系数 与大规模MIMO通信设备通信的通信设备的天线阵列和方向信息，将波束成形系数应用于天线阵列的天线，以及使用天线阵列与通信设备通信。

公开(公告)号：WO2018010572A1

公开(公告)日：2018-01-18

申请号：PCT/CN2017/091658

申请日：2017-07-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： MOLEV SHTEIMAN, Arkady ,  QI, Xiao-Feng

IPC: H03M3/00

CPC classification number: H04B7/0421 ,  H03M1/0641 ,  H03M1/0854 ,  H03M1/66 ,  H04B1/0483 ,  H04B7/0617 ,  H04B7/0842

Abstract: An apparatus, system, and method are provided for affording digital to analog converter (DAC) quantization noise that is independent of an input signal. In operation, an input signal for a DAC is received. Further, a particular signal is added to the input signal for the DAC, such that an output signal of the DAC includes quantization noise that is independent of the input signal (e.g. includes white noise, etc. ), as a result of the particular signal being added to the input signal for the DAC.

Abstract translation: 提供了一种装置，系统和方法，用于提供独立于输入信号的数模转换器（DAC）量化噪声。 在操作中，接收DAC的输入信号。 此外，特定信号被添加到DAC的输入信号，使得DAC的输出信号包括与输入信号无关的量化噪声（例如，包括白噪声等），作为特定信号的结果 被添加到DAC的输入信号中。

公开(公告)号：WO2017084588A1

公开(公告)日：2017-05-26

申请号：PCT/CN2016/106139

申请日：2016-11-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： MOLEV SHTEIMAN, Arkady ,  QI, Xiao-Feng

IPC: H04B7/04

CPC classification number: H04W72/0453 ,  H04B7/04 ,  H04B7/0413 ,  H04B7/0617 ,  H04L5/00 ,  H04W4/023

Abstract: A method includes determining position information of a main transmission sink having a primary transmission path to a communications device and of at least one mirror transmission sink associated with the main transmission sink by at least one secondary transmission path between the main transmission sink and the communications device, estimating primary channels between the communications device and antennas of an antenna array of the main transmission sink and secondary channels between the communications device and antennas of an antenna array of the at least one mirror transmission sink, the estimating is at least partially based on the position information of the main transmission sink and the at least one mirror transmission sink and position information of the antennas in the antenna arrays, and instructing use of the estimated primary channels and the estimated secondary channels.

Abstract translation: 一种方法包括：确定具有到通信设备的主传输路径的主传输宿的位置信息以及与主传输宿相关联的至少一个镜像传输宿的位置信息，所述至少一个次传输路径位于 所述主传输信宿和所述通信设备估计所述通信设备与所述主传输信宿的天线阵列的天线之间的主要信道以及所述通信设备与所述至少一个镜像传输接收器的天线阵列的天线之间的辅助信道， 估计至少部分地基于主传输宿和至少一个镜像传输宿的位置信息以及天线阵列中的天线的位置信息，并且指示使用估计的主要信道和估计的次要信道。 p>

公开(公告)号：WO2017084581A1

公开(公告)日：2017-05-26

申请号：PCT/CN2016/106123

申请日：2016-11-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： MOLEV SHTEIMAN, Arkady ,  QI, Xiao-Feng

IPC: H04W24/00

CPC classification number: H04L25/0202 ,  H04B7/0413 ,  H04L25/0204 ,  H04L25/0224

Abstract: A method for associating signal sources and paths includes determining secondary paths of a signal received at a reception point, wherein the signal reflects off one or more reflective surfaces before being received at the reception point, determining mirror sources of the secondary paths in accordance with locations of the one or more reflective surfaces and a main source of the signal, determining associations between the secondary paths and the mirror sources based on cross points at which the signal reflected off the one or more reflective surfaces, thereby obtaining path-source associations, and instructing use of the path-source associations in multi-source channel estimation.

Abstract translation: 用于使信号源与路径相关联的方法包括确定在接收点处接收到的信号的次要路径，其中所述信号在被接收点接收之前反射离开一个或多个反射表面，确定镜源 根据所述一个或多个反射表面的位置和所述信号的主要源，确定所述次级路径与所述镜源之间的关联，其中所述次级路径和所述镜源之间的关联基于所述信号从所述一个或多个反射表面反射的交叉点， 从而获得路径 - 源关联，并指示在多源信道估计中使用路径 - 源关联。

公开(公告)号：WO2017054713A1

公开(公告)日：2017-04-06

申请号：PCT/CN2016/100418

申请日：2016-09-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： MOLEV SHTEIMAN, Arkady ,  QI, Xiao Feng

IPC: H04B7/02

CPC classification number: H04B7/0413 ,  H04B7/0857

Abstract: A large scale multiple input multiple output (MIMO) communications device includes a first plurality of antenna units (AUs) arranged in an array, and a central processing unit operatively coupled to a first end AU in the first plurality of AUs. Each AU in the first plurality of AUs is operatively coupled to at least two neighboring AUs, and wherein each AU receives wireless signals, receives neighbor information from at least a first neighboring AU, generates local information associated with the AU in accordance with the received wireless signals and the neighbor information, and sends the local information associated with the AU to a second neighboring AU. The central processing unit receives local information associated with the first end AU, and generates estimates of the received transmissions in accordance with the local information associated with the first end AU.

Abstract translation: 大规模多输入多输出（MIMO）通信设备包括以阵列布置的第一多个天线单元（AU）和可操作地耦合到第一多个AU中的第一端AU的中央处理单元。 第一多个AU中的每个AU可操作地耦合到至少两个相邻的AU，并且其中每个AU接收无线信号，从至少第一相邻AU接收邻居信息，根据接收到的无线电产生与AU相关联的本地信息 信号和邻居信息，并且将与AU相关联的本地信息发送到第二相邻AU。 中央处理单元接收与第一端AU相关联的本地信息，并且根据与第一端AU相关联的本地信息生成接收到的传输的估计。