公开(公告)号：WO2021083476A1

公开(公告)日：2021-05-06

申请号：PCT/EP2019/079359

申请日：2019-10-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSODIK, Genadiy

Inventor： SHILO, Shimon ,  EZRI, Doron ,  REDLICH, Oded ,  YU, Jian ,  GAN, Ming

IPC: H04B7/06 ,  H04B7/0452

Abstract: The present disclosure relates to techniques for managing beamformed uplink transmissions of beamformer devices such as WiFi client stations which are particularly initiated by a beamformee device such as a WiFi access point (AP). In particular, the disclosure relates to a method (1500) for managing beamformed uplink transmissions of one or more beamformer devices (210), e.g. WiFi client stations (101, 102, 103), wherein the method (1500) is initialized by a beamformee device (220), e.g. a WiFi access point (110), the method comprising: transmitting (1501), by a beamformee device (220), e.g. a WiFi access point (110), to one or more beamformer devices (210), e.g. WiFi client stations (101, 102, 103), an indication of a precoder for Uplink transmission per Uplink transmission (104, 105, 106).

公开(公告)号：WO2020011335A1

公开(公告)日：2020-01-16

申请号：PCT/EP2018/068556

申请日：2018-07-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSODIK, Genadiy

Inventor： TSODIK, Genadiy ,  SHILO, Shimon ,  EZRI, Doron ,  WEITZMAN, Avi ,  HENCINSKI, Oren ,  EPSTEIN, Leonid ,  REDLICH, Oded

IPC: H04W74/08 ,  H04W84/12

Abstract: The present invention relates to the technical field of FD capable wireless communication devices. The invention is about resolving a collision between a transmission of one device and a simultaneous transmission of another device. The device is configured to interrupt its transmission, determine a negotiation signal, and determine at least one available resource to occupy with the negotiation signal during a negotiation period. Further, the device is configured to transmit the negotiation signal on the at least one available resource and simultaneously receive a negotiation signal on another resource from at least one other device during the negotiation period. Then, the device is configured to decide, based on all negotiation signals, whether to retransmit the interrupted transmission after the negotiation period.

公开(公告)号：WO2017076443A1

公开(公告)日：2017-05-11

申请号：PCT/EP2015/075714

申请日：2015-11-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  REDLICH, Oded ,  SHILO, Shimi ,  TSODIK, Genadiy ,  EZRI, Doron

Inventor： REDLICH, Oded ,  SHILO, Shimi ,  TSODIK, Genadiy ,  EZRI, Doron

IPC: H04L5/00 ,  H04L25/02 ,  H04L27/26

CPC classification number: H04L5/005 ,  H04L5/006 ,  H04L25/0226 ,  H04L27/262

Abstract: The invention relates to a communication transmitter (100) for providing a periodic signal for channel measurements (101), in particular for channel gain measurements, the communication transmitter (100) comprising a processor (107) being configured to determine the periodic signal (101) upon the basis of at least one of the following seed sequences: a first seed sequence M1=[1, -1, 1, 1, 1,-1,-1,-1,-1, 1,-1, 1, 1] for transmitting the periodic signal (101 ) within a first bandwidth; a second seed sequence M2=[1, 1,-1,-1,-1, 1,-1, 1,-1, -1,-1,-1, 1,-1,-1,-1, 1,-1, 1, 1, 1, 1,-1,-1, 1, -1, -1, -1, -1,1 ] for transmitting the periodic signal (101) within a second bandwidth, the second bandwidth comprising the first bandwidth; a third seed sequence M3_1 =[-1, -1, 1, 1, 1,-1, 1, 1, 1,-1, 1,-1,-1,-1,-1, 1,-1,- 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, 1,1] for transmitting the periodic signal (101) within the third bandwidth, the third bandwidth comprising the second bandwidth; or a fourth seed sequence M3_2=[-1,-1, 1,-1, 1, 1,-1,-1, 1, 1, 1, -1, 1, 1, 1, -1, -1, -1, 1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1] for transmitting the periodic signal (101) within the third bandwidth, the third bandwidth comprising the second bandwidth.

公开(公告)号：WO2016146181A1

公开(公告)日：2016-09-22

申请号：PCT/EP2015/055638

申请日：2015-03-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSODIK, Genadiy ,  SHILO, Shimi ,  EZRI, Doron ,  REDLICH, Oded

Inventor： TSODIK, Genadiy ,  SHILO, Shimi ,  EZRI, Doron ,  REDLICH, Oded

IPC: H04L5/00

CPC classification number: H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0064 ,  H04L5/0082 ,  H04L5/0087 ,  H04L5/0089 ,  H04L27/2602 ,  H04W28/06 ,  H04W28/18 ,  H04W72/042 ,  H04W72/0453

Abstract: A data transmission apparatus (100) for sending a communication signal to at least one receiving device (200A, 200B), a communication device (200A, 200B) for receiving a first communication signal from a data transmission apparatus (100) and for sending a second communication signal to the data transmission apparatus (100), an apparatus (400) for analyzing a communication signal and a frame structure (300) for data transmission between a data transmission apparatus (100) and at least one communication device (200A, 200B) are provided. The data transmission apparatus (100) is configured for sending a communication signal to at least one receiving device. The communication signal corresponds to an orthogonal frequency division multiple access, OFDMA, signal being communicated through at least one OFDMA frame (300) comprising a frame header (301), a first zone (320) having assigned a first set of transmission parameters and a second zone (330) having assigned a second set of transmission parameters. The first zone (320) comprises a first zone header (321) indicating the first set of transmission parameters and the second zone (330) comprises a second zone header (331) indicating the second set of transmission parameters. The data transmission apparatus is configured to assign a data transmission bandwidth to the at least one receiving device in at least one of the first zone and the second zone and to transmit an assignment signal to the at least one receiving device by means of which the data transmission bandwidth is assigned to the receiving device. The data transmission apparatus is configured to use the assigned first zone (320) or second zone (330) for both receiving and sending data to the at least one receiving device. Thus, the data transmission and signalling overhead in an OFDMA frame is reduced.

Abstract translation: 一种用于向至少一个接收设备（200A，200B）发送通信信号的数据传输设备（100），用于从数据传输设备（100）接收第一通信信号并用于发送通信信号的通信设备（200A，200B） 第二通信信号发送到数据传输装置（100），用于分析通信信号的装置（400）和用于数据传输装置（100）和至少一个通信装置（200A，200B）之间的数据传输的帧结构（300） ）。 数据发送装置（100）被配置为向至少一个接收装置发送通信信号。 所述通信信号对应于正交频分多址，OFDMA，信号通过至少一个OFDMA帧（300）传送，所述OFDMA帧（300）包括帧头（301），已经分配了第一组传输参数的第一区（320） 第二区域（330）已经分配了第二组传输参数。 第一区域（320）包括指示第一组传输参数的第一区域报头（321），并且第二区域（330）包括指示第二组传输参数的第二区域报头（331）。 数据传输装置被配置为在第一区域和第二区域中的至少一个区域中向至少一个接收设备分配数据传输带宽，并且向至少一个接收设备发送分配信号，通过该接收设备将数据 传输带宽被分配给接收设备。 数据传输装置被配置为使用分配的第一区域（320）或第二区域（330）来接收和发送数据给至少一个接收设备。 因此，减少OFDMA帧中的数据传输和信令开销。

公开(公告)号：WO2018082772A1

公开(公告)日：2018-05-11

申请号：PCT/EP2016/076505

申请日：2016-11-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSODIK, Genadiy

Inventor： TSODIK, Genadiy ,  SHILO, Shimon ,  EZRI, Doron ,  BEN-ARIE, Yaron ,  REDLICH, Oded

IPC: H04B7/0413 ,  H04B7/06 ,  H04L25/00

CPC classification number: H04B7/0617 ,  H04B7/0413 ,  H04L25/00

Abstract: The disclosure relates to a wireless communication device (300), comprising: a processor (301), configured: to precode beamforming data for transmission over a multiple input multiple output (MIMO) channel, the precoding based on an estimated channel matrix (C), and to adjust the precoding based on decomposition, in particular singular value decomposition of the channel matrix (C), comprising: transforming the channel matrix (C) to a bi-diagonal matrix (R); and zeroing off-diagonal elements of the bi-diagonal matrix (R), wherein the zeroing comprises deriving a transform matrix (T) from the bi-diagonal matrix (R) and approximating eigenvalues of the transform matrix (T) by elements on the main diagonal of the transform matrix (T).

Abstract translation: 本公开涉及一种无线通信设备（300），包括：处理器（301），其被配置为：对用于在多输入多输出（MIMO）信道上传输的波束形成数据进行预编码，基于预编码 （C），并且基于分解，尤其是信道矩阵（C）的奇异值分解来调整预编码，包括：将信道矩阵（C）变换为双对角矩阵（R）; 以及归零所述双对角线矩阵（R）的非对角线元素，其中所述归零包括从所述双对角线矩阵（R）导出变换矩阵（T）并且通过所述变换矩阵（T）上的元素近似所述变换矩阵（T）的本征值 变换矩阵（T）的主对角线。

公开(公告)号：WO2018082770A1

公开(公告)日：2018-05-11

申请号：PCT/EP2016/076502

申请日：2016-11-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSODIK, Genadiy

Inventor： TSODIK, Genadiy ,  SHILO, Shimon ,  EZRI, Doron ,  WEITZMAN, Avi ,  REDLICH, Oded

IPC: H04W74/08

Abstract: The disclosure relates to an access point device (AP) (600) for communicating with a client device (STA), the AP (600) comprising: a transceiver (601) configured to: transmit (602) a first data packet (311) indicating a set of groups (200), wherein each group (201, 202, 203) is associated with a specific set of transmission parameters, transmit (602) a second data packet (312) indicating an allocation for at least part of the groups (201, 202, 203); and receive (602) a response frame (321, 421) using at least part of random access (RA) resources selected by the STA for the at least part of the groups (201, 202, 203).

Abstract translation: （600），所述AP（600）包括：收发器（601），其被配置为：发送（602）所述接入点设备 ）指示一组组（200）的第一数据分组（311），其中每个组（201,202,203）与特定的一组传输参数相关联，传输（602）第二数据分组（312） 分配给至少一部分组（201,202,203）; 并且使用由所述STA为所述组（201,202,203）的所述至少一部分选择的至少部分随机接入（RA）资源来接收（602）响应帧（321,421）。

公开(公告)号：WO2017041814A1

公开(公告)日：2017-03-16

申请号：PCT/EP2015/070339

申请日：2015-09-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  REGEV, Dror ,  SHILO, Shimi ,  EZRI, Doron ,  TSODIK, Genadiy ,  ZHANG, Junping ,  HU, Gengen ,  LIANG, Dong ,  MIAO, Yannan

Inventor： REGEV, Dror ,  SHILO, Shimi ,  EZRI, Doron ,  TSODIK, Genadiy ,  ZHANG, Junping ,  HU, Gengen ,  LIANG, Dong ,  MIAO, Yannan

IPC: H04B1/00

CPC classification number: H04B1/005

Abstract: A receiver system for generating filtered signals includes a frequency converter and a filter unit. The frequency converter includes a local oscillator. The frequency converter receives radio frequency signals within a first frequency bandwidth and shifts the radio frequency signals to a second frequency bandwidth. The filter unit filters the shifted signals by applying a derived band-pass filter (BPF). The derived BPF is generated by superpositioning at least one BPF and at least one band-stop BSF.

Abstract translation: 用于产生滤波信号的接收机系统包括变频器和滤波器单元。 变频器包括本地振荡器。 频率转换器接收第一频带内的射频信号，并将射频信号转换到第二频带。 滤波器单元通过应用衍生的带通滤波器（BPF）对移位的信号进行滤波。 通过重叠至少一个BPF和至少一个带阻BSF来产生导出的BPF。

公开(公告)号：WO2023078569A1

公开(公告)日：2023-05-11

申请号：PCT/EP2021/080915

申请日：2021-11-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSODIK, Genadiy

Inventor： SHILO, Shimon ,  REDLICH, Oded ,  KLEIN, Arik ,  EZRI, Doron

IPC: H04B7/024 ,  H04B7/0452 ,  H04B7/06

Abstract: A sharing AP (110) is configured to share a transmission opportunity, TXOP, with a shared AP (120, 130) within a Multi-AP set for participating in a coordinated transmission, wherein the sharing AP (110) is configured to communicate with one or more stations (115a-c) associated with the sharing AP via one or more spatial streams and the shared AP is configured to communicate with one or more stations (125a, b) associated with the shared AP via one or more further spatial streams. The sharing AP comprises a communication interface (113) configured to transmit a frame to the shared AP, wherein the frame comprises a common block, comprising one or more parameters for the shared AP, one or more station information blocks, wherein each station information block includes one or more parameters of the respective station associated with the sharing AP, and a shared AP information block for the shared AP comprising information about a number of the one or more further spatial streams.

公开(公告)号：WO2020147954A1

公开(公告)日：2020-07-23

申请号：PCT/EP2019/051161

申请日：2019-01-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSODIK, Genadiy

Inventor： TSODIK, Genadiy ,  SHILO, Shimon ,  EZRI, Doron ,  EPSTEIN, Leonid ,  HENCINSKI, Oren ,  BEN-ARIE, Yaron

IPC: H04B7/06

Abstract: The present invention relates to a channel sounding procedure, particularly a reduced feedback channel sounding procedure for next generation WiFi. To this end, the invention proposes a transmitting device and a receiving device, both configured to support reduced feedback in a channel sounding procedure. The transmitting device is configured to: select at least one of a plurality of feedback types; determine, and send to a receiving device, a feedback indication format, wherein the feedback indication format comprises the selected at least one feedback type and a feedback dependent field based on the selected feedback type; and obtain feedback data from the receiving device, wherein the feedback data bases on the determined feedback indication format sent to the receiving device.

公开(公告)号：WO2017041847A1

公开(公告)日：2017-03-16

申请号：PCT/EP2015/070756

申请日：2015-09-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  TSODIK, Genadiy ,  SHILO, Shimi ,  EZRI, Doron ,  REDLICH, Oded ,  HAN, Xiao

Inventor： TSODIK, Genadiy ,  SHILO, Shimi ,  EZRI, Doron ,  REDLICH, Oded ,  HAN, Xiao

IPC: H04W74/08

CPC classification number: H04W74/0858 ,  H04B7/2612 ,  H04W8/26 ,  H04W74/0816 ,  H04W88/08

Abstract: A client type communication device (10) for communicating with an access point type communication device (20) is provided. The client type communication device (10) comprises a communication unit (11) adapted to use at least one of first communication resources for performing a random access communication, if the client type communication device (10) is in an associated mode regarding the access point type communication device (20) and to use at least one of second communication resources different from the first communication resources for performing a random access communication to the access point type communication device (20), if the client type communication device (10) is in a non-associated mode regarding the access point type communication device (20).

Abstract translation: 提供一种用于与接入点型通信设备（20）通信的客户端型通信设备（10）。 客户端通信设备（10）包括适于使用用于执行随机接入通信的第一通信资源中的至少一个的通信单元（11），如果客户端类型通信设备（10）处于关于接入点的关联模式 并且如果所述客户端型通信设备（20）处于所述客户端类型通信设备（20），则使用与所述第一通信资源不同的第二通信资源中的至少一个来进行所述接入点型通信设备（20）的随机接入通信 关于接入点类型通信设备（20）的非关联模式。