公开(公告)号：WO2007081592A2

公开(公告)日：2007-07-19

申请号：PCT/US2006049654

申请日：2006-12-29

Applicant: MOTOROLA INC ,  VOOK FREDERICK W ,  THOMAS TIMOTHY A ,  ZHUANG XIANGYANG

Inventor： VOOK FREDERICK W ,  THOMAS TIMOTHY A ,  ZHUANG XIANGYANG

IPC: H04B1/38

CPC classification number: H04B7/0671

Abstract: Cyclic-shift diversity transmission and optional per-subcarrier transmit beamforming within a same time interval (e.g., OFDM symbol interval) takes place. The CSD transmission technique circularly shifts the IFFT output prior to any cyclic prefix insertion and has the effect of putting a subcarrier and antenna dependent phase shift in the effective channel response from each transmit antenna. To properly perform transmit adaptive array (TXAA) transmission within an OFDM symbol interval that is being circularly shifted by the CSD transmission technique, the TXAA weights will account for the frequency domain phase shift created by the CSD circular shift operation.

Abstract translation: 发生在相同时间间隔（例如，OFDM符号间隔）内的循环移位分集传输和可选的每副载波发射波束形成。 CSD传输技术在任何循环前缀插入之前循环移位IFFT输出，并且具有将每个发射天线的有效信道响应中的副载波和天线相关相移放在有效信道响应中的作用。 为了在通过CSD传输技术循环移位的OFDM符号间隔内适当地执行发射自适应阵列（TXAA）传输，TXAA权重将考虑由CSD循环移位操作产生的频域相移。

公开(公告)号：WO2005029754B1

公开(公告)日：2005-06-23

申请号：PCT/US2004030717

申请日：2004-09-17

Applicant: MOTOROLA INC ,  THOMAS TIMOTHY A ,  VOOK FREDERICK W

Inventor： THOMAS TIMOTHY A ,  VOOK FREDERICK W

IPC: H04B1/10 ,  H03D1/04 ,  H03D1/06 ,  H03K5/01 ,  H03K6/04 ,  H04L1/00 ,  H04L25/08

CPC classification number: H04B1/126 ,  H04B1/10

Abstract: A method for reducing interference within a communication system is provided herein. A receiver (100), and method for operating a receiver are provided. The receiver operates by utilizing a filter bank (103-104) to partition a wide-band signal into smaller sub-bands. Interference suppression takes place individually on the sub-bands (frequency bands) instead of on the wideband signal as a whole. By using interference suppression on smaller sub-bands, interference suppression techniques can be utilized with less computational complexity than when performing interference suppression on the broadband signal as a whole.

Abstract translation: 本文提供了一种用于减少通信系统内的干扰的方法。 提供接收机（100）和操作接收机的方法。 接收机通过利用滤波器​​组（103-104）来操作，以将宽带信号划分成更小的子带。 干扰抑制单独在子带（频带）上进行，而不是作为整体在宽带信号上进行。 通过对较小的子带使用干扰抑制，可以比在宽带信号整体上进行干扰抑制时更少的计算复杂度来利用干扰抑制技术。

公开(公告)号：WO2005029754A2

公开(公告)日：2005-03-31

申请号：PCT/US2004030717

申请日：2004-09-17

Applicant: MOTOROLA INC ,  THOMAS TIMOTHY A ,  VOOK FREDERICK W

Inventor： THOMAS TIMOTHY A ,  VOOK FREDERICK W

IPC: H04B1/10 ,  H04L

CPC classification number: H04B1/126 ,  H04B1/10

Abstract: A method for reducing interference within a communication system is provided herein. A receiver (100), and method for operating a receiver are provided. The receiver operates by utilizing a filter bank (103-104) to partition a wide-band signal into smaller sub-bands. Interference suppression takes place individually on the sub-bands (frequency bands) instead of on the wideband signal as a whole. By using interference suppression on smaller sub-bands, interference suppression techniques can be utilized with less computational complexity than when performing interference suppression on the broadband signal as a whole.

Abstract translation: 这里提供了一种用于减少通信系统内的干扰的方法。 提供了一种接收器（100）和用于操作接收器的方法。 接收机通过利用滤波器​​组（103-104）将宽带信号分割成更小的子带来操作。 干扰抑制分别在子频带（频带）上发生，而不是在整个宽带信号上发生。 通过在较小的子带上使用干扰抑制，与对宽带信号整体执行干扰抑制时相比，可以利用干扰抑制技术，计算复杂度更低。

公开(公告)号：WO03052991A2

公开(公告)日：2003-06-26

申请号：PCT/US0237342

申请日：2002-11-21

Applicant: MOTOROLA INC

Inventor： ZHUANG XIANGYANG ,  ROUQUETTE-LEVEIL STEPHANIE ,  VOOK FREDERICK W ,  GOSSE KARINE

IPC: H04L1/06 ,  H04L27/26 ,  H04L

CPC classification number: H04L1/06 ,  H04L27/2601

Abstract: The invention provides a method of operating a coded OFDM communication system by interleaving a plurality of encoder output bits; mapping the interleaved bits to a plurality of modulated symbols; and forming a set of OFDM symbols for a plurality of transmit antennas based on the modulated symbols.

Abstract translation: 本发明提供一种通过交织多个编码器输出位来操作编码的OFDM通信系统的方法; 将交织的比特映射到多个调制符号; 以及基于所述调制符号，为多个发射天线形成一组OFDM符号。

公开(公告)号：EP1609211A4

公开(公告)日：2010-06-09

申请号：EP04719800

申请日：2004-03-11

Applicant: MOTOROLA INC

Inventor： VOOK FREDERICK W ,  THOMAS TIMOTHY A ,  ZHUANG XIANGYANG

IPC: H04B7/06 ,  H04J99/00 ,  G01S3/16 ,  G01S3/28 ,  H01Q3/00 ,  H04B20060101 ,  H04B7/02 ,  H04L27/26

CPC classification number: H04L25/03343 ,  H04B7/0417 ,  H04B7/0617 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/066 ,  H04L25/0204 ,  H04L25/0248 ,  H04L27/2608 ,  H04L27/2626 ,  H04L27/2647 ,  H04L2025/03802

公开(公告)号：WO2010053684A3

公开(公告)日：2010-07-29

申请号：PCT/US2009061230

申请日：2009-10-20

Applicant: MOTOROLA INC ,  VOOK FREDERICK W ,  BURIS NICHOLAS E ,  MUELLER BRUCE D

Inventor： VOOK FREDERICK W ,  BURIS NICHOLAS E ,  MUELLER BRUCE D

IPC: H04B17/00 ,  H04B7/04

CPC classification number: H04B17/21

Abstract: A method and a system for calibrating at least one antenna (1,1-1,3. 1,j). At least a first antenna (1,4) within a first antenna array (102) can be selected as a primary reference antenna. At least one antenna (4,3) that is not within the first antenna array can be selected as a secondary reference antenna. At least a first signal propagation characteristic (122) can be measured based on at least one signal wirelessly communicated between the primary reference antenna and the secondary reference antenna. At least a second signal propagation characteristic (118) can be measured based on at least one signal wirelessly communicated between the secondary reference antenna and at least a second antenna (1,2) within the first antenna array. At least a first calibration coefficient can be determined for the second antenna.

Abstract translation: 一种用于校准至少一个天线（1,1-1,3.1，j）的方法和系统。 可以选择第一天线阵列（102）内的至少第一天线（1,4）作为主参考天线。 可以选择不在第一天线阵列内的至少一个天线（4,3）作为辅助参考天线。 至少第一信号传播特性（122）可以基于在主参考天线和次参考天线之间无线传送的至少一个信号来测量。 至少第二信号传播特性（118）可以基于在第二天线阵列内的辅助参考天线与至少第二天线（1,2）之间无线传送的至少一个信号来测量。 可以为第二天线确定至少第一校准系数。

公开(公告)号：WO2007082142A3

公开(公告)日：2007-12-13

申请号：PCT/US2007060127

申请日：2007-01-05

Applicant: MOTOROLA INC ,  CLASSON BRIAN K ,  KOTZIN MICHAEL D ,  VOOK FREDERICK W

Inventor： CLASSON BRIAN K ,  KOTZIN MICHAEL D ,  VOOK FREDERICK W

IPC: H01Q3/26 ,  H01Q1/24 ,  H04B7/04 ,  H04B7/06 ,  H04B7/08 ,  H04W16/28 ,  H04W92/12

CPC classification number: H04W92/12 ,  H04W4/18 ,  H04W16/28

Abstract: A system [100] includes a base station [105] to communicate wireless data with at least one user terminal [125, 130] within a cell serviced by the base station [105]. A central backhaul access point [135] communicates wireless backhaul data with the base station [105]. At least a first portion of the wireless data and a second portion of the wireless backhaul data is communicated via Spatial Division Multiple Access ("SDMA"), and the first portion of the wireless data utilizes at least some same time-frequency resources as the second portion of the wireless backhaul data.

Abstract translation: 系统[100]包括：基站[105]，用于将基站105与由基站服务的小区内的至少一个用户终端[125,130]通信无线数据。 中央回程接入点[135]与基站[105]通信无线回程数据。 无线数据的至少第一部分和无线回程数据的第二部分通过空分多址（“SDMA”）传送，并且无线数据的第一部分利用至少一些相同的时频资源，如 无线回程数据的第二部分。

公开(公告)号：WO2004084420A3

公开(公告)日：2005-04-14

申请号：PCT/US2004007536

申请日：2004-03-11

Applicant: MOTOROLA INC ,  VOOK FREDERICK W ,  THOMAS TIMOTHY A ,  ZHUANG XIANGYANG

Inventor： VOOK FREDERICK W ,  THOMAS TIMOTHY A ,  ZHUANG XIANGYANG

IPC: H04J99/00 ,  G01S3/16 ,  G01S3/28 ,  H01Q3/00 ,  H04B20060101 ,  H04B7/02 ,  H04B7/06 ,  H04L27/26

CPC classification number: H04L25/03343 ,  H04B7/0417 ,  H04B7/0617 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/066 ,  H04L25/0204 ,  H04L25/0248 ,  H04L27/2608 ,  H04L27/2626 ,  H04L27/2647 ,  H04L2025/03802

Abstract: In a multiple-input, multiple-output (MIMO) communication system, a method and apparatus for multi-antenna transmission. In accordance with the preferred embodiment of the present invention a reduced number of transmit weight matrices are fed back to the transmitter. Each transmit weight matrix is then applied to a plurality of subcarriers. Because each transmit weight matrix is applied to more than one subcarrier, the amount of weight matrixs being fed back to the transmitter is greatly reduced.

Abstract translation: 在多输入多输出（MIMO）通信系统中，用于多天线传输的方法和装置。 根据本发明的优选实施例，将减少数量的发射权重矩阵反馈给发射机。 然后将每个发射权重矩阵应用于多个子载波。 因为每个发射权重矩阵被应用于多于一个子载波，所以被反馈到发射机的权重矩阵的量大大减少。

公开(公告)号：EP1665517A4

公开(公告)日：2009-03-18

申请号：EP04784559

申请日：2004-09-17

Applicant: MOTOROLA INC

Inventor： THOMAS TIMOTHY A ,  VOOK FREDERICK W

IPC: H03D1/04 ,  H03D1/06 ,  H03K5/01 ,  H03K6/04 ,  H04B1/10 ,  H04B1/12 ,  H04B7/08 ,  H04L1/00 ,  H04L25/08

CPC classification number: H04B1/126 ,  H04B1/10

Abstract: A method for reducing interference within a communication system is provided herein. A receiver (100), and method for operating a receiver are provided. The receiver operates by utilizing a filter bank (103-104) to partition a wide-band signal into smaller sub-bands. Interference suppression takes place individually on the sub-bands (frequency bands) instead of on the wideband signal as a whole. By using interference suppression on smaller sub-bands, interference suppression techniques can be utilized with less computational complexity than when performing interference suppression on the broadband signal as a whole.

Abstract translation: 这里提供了一种用于减少通信系统内的干扰的方法。 提供了一种接收器（100）和用于操作接收器的方法。 接收机通过利用滤波器​​组（103-104）将宽带信号分割成更小的子带来操作。 干扰抑制分别在子频带（频带）上发生，而不是在整个宽带信号上发生。 通过在较小的子带上使用干扰抑制，与对宽带信号整体执行干扰抑制时相比，可以利用干扰抑制技术，计算复杂度更低。

公开(公告)号：WO2010075172A3

公开(公告)日：2010-08-26

申请号：PCT/US2009068503

申请日：2009-12-17

Applicant: MOTOROLA INC ,  KRAUSS THOMAS P ,  VOOK FREDERICK W ,  ZHUANG XIANGYANG

Inventor： KRAUSS THOMAS P ,  VOOK FREDERICK W ,  ZHUANG XIANGYANG

IPC: H04B7/04 ,  H04W16/28 ,  H04W84/10

CPC classification number: H04B7/0413 ,  H04B7/0617 ,  H04B7/10 ,  H04B17/21

Abstract: Specifically, a method and system are provided that performs MIMO and beamforming at a base station (102) based on an uplink channel sounding (ULCS) from only one of a mobile station's (130) antennas (132, 134) and closed-loop multiple input, multiple output (MIMO) schemes based on the singular value decomposition (SVD) of the channel matrix. The ULCS is limited to sounding and the channel uses fewer than an optimal number of transmit antennas, for example, one for WiMAX. The base station's array (118, 120, 122, 124) may be configured for a full array transmitting mode (800, 900) or a sub-array transmitting mode (1200, 1300).

Abstract translation: 具体而言，提供了一种方法和系统，其基于来自移动站（130）天线（132,134）中的仅一个的上行链路信道探测（ULCS）和闭环多路复用 输入，基于信道矩阵的奇异值分解（SVD）的多输出（MIMO）方案。 ULCS仅限于探测，并且信道使用的发射天线数量少于最佳数量，例如，用于WiMAX。 基站的阵列（118,120,122,124）可以被配置用于全阵列发射模式（800,900）或者子阵列发射模式（1200,1300）。