Maximum ratio combining architectures for optimal complementary code keying receiver design
    2.
    发明授权
    Maximum ratio combining architectures for optimal complementary code keying receiver design 有权
    最大比例组合结构,用于最佳互补码键控接收机设计

    公开(公告)号:US08126095B1

    公开(公告)日:2012-02-28

    申请号:US11584025

    申请日:2006-10-20

    Abstract: A multi input multi output (MIMO) receiver for receiving signals having a plurality of equalizers being responsive to aligned signals for processing the same to generate a plurality of equalized outputs using filter coefficients, in accordance with an embodiment of the present invention. The MIMO receiver for training said plurality of equalizers to adapt said filter coefficients for generating said plurality of equalized outputs, said MIMO receiver for combining said plurality of equalized outputs in time domain to generate a weighted output, said MIMO receiver for improving the quality of said weighted output by performing equalization prior to combining said plurality of equalized outputs.

    Abstract translation: 根据本发明的实施例,一种用于接收具有多个均衡器的信号的多输入多输出(MIMO)接收机,响应于对准信号进行处理,以产生使用滤波器系数的多个均衡输出。 所述MIMO接收机用于训练所述多个均衡器以适应所述滤波器系数以产生所述多个均衡输出,所述MIMO接收机用于在时域中组合所述多个均衡输出以产生加权输出,所述MIMO接收机用于提高所述多个均衡输出的质量 在组合所述多个均衡输出之前执行均衡的加权输出。

    Method and apparatus for beamforming of multi-input-multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) transceivers
    3.
    发明授权
    Method and apparatus for beamforming of multi-input-multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) transceivers 有权
    用于多输入多输出(MIMO)正交频分复用(OFDM)收发器的波束成形的方法和装置

    公开(公告)号:US08559571B2

    公开(公告)日:2013-10-15

    申请号:US11840891

    申请日:2007-08-17

    CPC classification number: H04B17/0085 H04B7/0413 H04B7/0617 H04B17/21

    Abstract: An embodiment of the present invention includes a calibration system employed in a multi-input-multi-output (MIMO) system for beamforming and receiving a plurality of streams. The system includes a first calibration circuit responsive to inphase (I) and quadrature (Q) pairs of stream and operative to calibrate each I and Q pair and a second calibration circuit responsive to the calibrated I and Q pairs for all streams, wherein the first and second calibration circuits perform calibration in the time domain.

    Abstract translation: 本发明的实施例包括用于波束成形和接收多个流的多输入多输出(MIMO)系统中的校准系统。 该系统包括响应于同相(I)和正交(Q)对流并且可操作地校准每个I和Q对的第一校准电路,以及响应于所有流的经校准的I和Q对的第二校准电路,其中第一 并且第二校准电路在时域中执行校准。

    Method and system to detect packets of different formats in a receiver
    4.
    发明授权
    Method and system to detect packets of different formats in a receiver 有权
    在接收机中检测不同格式的数据包的方法和系统

    公开(公告)号:US08228806B2

    公开(公告)日:2012-07-24

    申请号:US12563979

    申请日:2009-09-21

    CPC classification number: H04L27/0012 H04L1/0091 H04L27/2613

    Abstract: A method and system of communicating packets and detecting packets are disclosed. In a first aspect, the method and system comprise enabling the detection of a very high throughput (VHT) signal field. The VHT signal field is distinguishable from other signal fields, wherein the VHT signal field allows for a backward compatibility with other devices. In a second aspect, the method and system comprise initializing the device to be in receive mode and receiving at least one signal field symbol and detecting the presence of additional signal field symbols. The method and system further include distinguishing a very high throughput (VHT) signal field from other signal field symbols and decoding the VHT signal field parameters uniquely describing the VHT packet format.

    Abstract translation: 公开了传送数据包和检测数据包的方法和系统。 在第一方面,该方法和系统包括能够检测非常高吞吐量(VHT)信号场。 VHT信号域与其他信号场区分开,其中VHT信号域允许与其它设备的向后兼容性。 在第二方面,所述方法和系统包括将设备初始化为处于接收模式并且接收至少一个信号字段符号并检测附加信号字段符号的存在。 该方法和系统还包括将非常高的吞吐量(VHT)信号字段与其他信号字段符号区分开来,并解码唯一描述VHT分组格式的VHT信号字段参数。

    Method and apparatus for adaptive reduced overhead transmit beamforming for wireless communication systems
    5.
    发明授权
    Method and apparatus for adaptive reduced overhead transmit beamforming for wireless communication systems 有权
    用于无线通信系统的自适应减少开销发射波束成形的方法和装置

    公开(公告)号:US08040970B2

    公开(公告)日:2011-10-18

    申请号:US11949706

    申请日:2007-12-03

    CPC classification number: H04B7/0413

    Abstract: A multi input multi output (MIMO) transceiver having a channel estimation module being responsive to received samples including channel state information (CSI) and operative to generate time domain beamforming parameters, in accordance with an embodiment of the present invention. The multi input multi output (MIMO) transceiver further includes an adaptive beamforming parameters module coupled to receive said time domain beamforming parameters and operative to generate time domain adaptive beamforming parameters, said adaptive beamforming parameters module operative to process said time domain beamforming parameters to generate frequency domain adaptive beamforming parameters, a decoding module coupled to receive said frequency domain adaptive beamforming parameters and operative to generate data bits, a channel parameters module coupled to receive said data bits and operative to extract said time domain adaptive beamforming parameters, an encoding module coupled to receive said time domain adaptive beamforming parameters and operative to generate a data packet, said encoding module operative to encode said data packet to generate a modulated data stream, and a beamform matrices module coupled to receive said modulated data stream and operative to generate a beamformed data stream based on said frequency domain adaptive beamforming parameters, said MIMO transceiver operative to process said beamformed data stream to generate output signals and to transmit said output signals by forming beam patterns.

    Abstract translation: 一种多输入多输出(MIMO)收发器,具有信道估计模块,响应于包括信道状态信息(CSI)的接收样本,并且可操作以产生时域波束成形参数,根据本发明的实施例。 所述多输入多输出(MIMO)收发器还包括自适应波束成形参数模块,其耦合以接收所述时域波束成形参数并且可操作以产生时域自适应波束成形参数,所述自适应波束成形参数模块可操作以处理所述时域波束成形参数以产生频率 域自适应波束成形参数,解码模块,被耦合以接收所述频域自适应波束形成参数并且可操作以产生数据比特,信道参数模块,被耦合以接收所述数据比特并且可操作以提取所述时域自适应波束成形参数,编码模块耦合到 接收所述时域自适应波束成形参数并且可操作以产生数据分组,所述编码模块可操作地编码所述数据分组以生成调制数据流,以及波束形矩阵模块,耦合以接收所述调制数据流并且可操作以产生bea 基于所述频域自适应波束形成参数的成形数据流,所述MIMO收发器可操作以处理所述波束形成的数据流以产生输出信号并通过形成波束图案来发送所述输出信号。

    Efficient subcarrier weighting to enhance receiver performance
    7.
    发明授权
    Efficient subcarrier weighting to enhance receiver performance 有权
    高效的副载波加权,增强接收机的性能

    公开(公告)号:US07324608B1

    公开(公告)日:2008-01-29

    申请号:US10782276

    申请日:2004-02-18

    CPC classification number: H04L25/03159 H04L2025/03414 H04L2025/03522

    Abstract: A modem system for receiving and transmitting signals having a frequency domain equalizer (FEQ) block being responsive to a frequency channel response for processing the same to generate one or more equalizer coefficients, the modem system is responsive to an input signal for processing the same to generate frequency channel response, the input signal being generated from transmission of a transmitted signal, FEQ block for using equalizer coefficients to generate an equalized channel response, modem system for using equalized channel response to generate one or more metric weights, in accordance with an embodiment of the present invention.

    Abstract translation: 一种用于接收和发送具有频域均衡器(FEQ)块的信号的调制解调器系统,其响应于频道响应来处理该信号响应以产生一个或多个均衡器系数,所述调制解调器系统响应于输入信号进行处理, 产生频道响应,所述输入信号是从发射信号的传输产生的FEQ块,用于使用均衡器系数来产生均衡信道响应,调制解调器系统,用于使用均衡信道响应来生成一个或多个度量权重,根据实施例 的本发明。

    Method and apparatus for calibration for beamforming of multi-input-multi-output (MIMO) orthogonol frequency division multiplexing (OFDM) transceivers
    10.
    发明授权
    Method and apparatus for calibration for beamforming of multi-input-multi-output (MIMO) orthogonol frequency division multiplexing (OFDM) transceivers 有权
    用于多输入多输出(MIMO)正交频分复用(OFDM)收发器的波束成形的校准方法和装置

    公开(公告)号:US07986755B2

    公开(公告)日:2011-07-26

    申请号:US11840897

    申请日:2007-08-17

    Abstract: An embodiment of the present invention includes a calibration system employed in a multi-input-multi-output (MIMO) system for beamforming and receiving a plurality of streams. The system includes a first calibration circuit responsive to inphase (I) and quadrature (Q) pairs of stream and operative to calibrate each I and Q pair and a second calibration circuit responsive to the calibrated I and Q pairs for all streams, wherein the first and second calibration circuits perform calibration in the time domain.

    Abstract translation: 本发明的实施例包括用于波束成形和接收多个流的多输入多输出(MIMO)系统中的校准系统。 该系统包括响应于同相(I)和正交(Q)对流并且可操作地校准每个I和Q对的第一校准电路,以及响应于所有流的经校准的I和Q对的第二校准电路,其中第一 并且第二校准电路在时域中执行校准。

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