公开(公告)号：US08155169B2

公开(公告)日：2012-04-10

申请号：US13102946

申请日：2011-05-06

申请人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

发明人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

IPC分类号： H04L27/30

CPC分类号： H04L25/03343 ,  H04B7/0639 ,  H04B7/0663 ,  H04L1/06 ,  H04L25/0204 ,  H04L25/0248 ,  H04L2025/03426 ,  H04L2025/03687 ,  H04L2025/037 ,  H04L2025/03808

摘要： A delta quantizer for MIMO pre-coders with finite rate channel state information feedback may comprise partly quantizing a change in channel state information in a MIMO pre-coding system onto at least a first and a second codebook, each of which comprises one or more unitary matrices, using a cost function; and generating the at least first and second codebook based on at least the channel state information. The channel state information may be a matrix V and the cost function may be defined by the following relationship: f ⁡ ( A ) = ( 1 N ⁢ ∑ j = 1 N ⁢  a jj  2 ) where A is a matrix of size N by N and aij is element (i,j) of matrix A. One or more unitary matrices may be generated for the at least first codebook from at least a first set of matrices and a second set of matrices.

摘要翻译： 用于具有有限速率信道状态信息反馈的MIMO预编码器的增量量化器可以包括将MIMO预编码系统中的信道状态信息的改变部分地量化到至少第一和第二码本上，每个码本包括一个或多个单位 矩阵，使用成本函数; 以及至少基于所述信道状态信息生成所述至少第一和第二码本。 信道状态信息可以是矩阵V，并且成本函数可以由以下关系定义：f⁡（A）=（1NΣj = 1 Na jj her 2）其中A是大小的矩阵 N是N，aij是矩阵A的元素（i，j）。可以从至少第一组矩阵和第二组矩阵为至少第一码本生成一个或多个酉矩阵。

公开(公告)号：US08098683B2

公开(公告)日：2012-01-17

申请号：US11173304

申请日：2005-06-30

申请人： Mark Kent ,  Vinko Erceg ,  Uri M. Landau ,  Pieter Van Rooyen

发明人： Mark Kent ,  Vinko Erceg ,  Uri M. Landau ,  Pieter Van Rooyen

IPC分类号： H04W4/00 ,  H04J3/00 ,  H04B1/10 ,  H04B7/10 ,  H04B1/02 ,  H04B7/02 ,  H04B7/08 ,  H04B17/02 ,  H04L1/02

CPC分类号： H04W52/42 ,  H04B7/0848 ,  H04L25/03019

摘要： In a RF communications system, aspects for implementing a single weight single channel MIMO system with no insertion loss may comprise generating at least one control signal that is utilized to control at least one of a plurality of received signals in a WCDMA and/or HSDPA system. A phase of a first of the plurality of received signals may be adjusted outside of a first processing path used to process that signal so that it is equivalent to a phase of at least a second of the plurality of received signals. A gain in the first processing path may be equivalent to a gain in a second processing path that is utilized to process the second of the plurality of received signals. The control signal may be utilized to adjust a phase and/or an amplitude of at least one of a plurality of received signals.

摘要翻译： 在RF通信系统中，用于实现没有插入损耗的单重权重单信道MIMO系统的方面可以包括生成用于控制WCDMA和/或HSDPA系统中的多个接收信号中的至少一个的至少一个控制信号 。 可以在用于处理该信号的第一处理路径之外调整多个接收信号中的第一个的相位，使得其相当于多个接收信号中的至少第二个的相位。 第一处理路径中的增益可以等效于用于处理多个接收信号中的第二处理路径的第二处理路径中的增益。 控制信号可以用于调整多个接收信号中的至少一个的相位和/或幅度。

公开(公告)号：US07991361B2

公开(公告)日：2011-08-02

申请号：US11173129

申请日：2005-06-30

申请人： Mark Kent ,  Vinko Erceg ,  Uri Landau ,  Pieter van Rooyen

发明人： Mark Kent ,  Vinko Erceg ,  Uri Landau ,  Pieter van Rooyen

IPC分类号： H04B1/10

CPC分类号： H04B7/0615

摘要： Methods and systems for processing signals in a receiver are disclosed herein and may comprise receiving WCDMA signals via M receive antennas, tracking a plurality of received clusters within the received WCDMA signals, and estimating a complex phase and amplitude of a portion of each of the received clusters. A single cluster may comprise an aggregate of received WCDMA signal paths and (M-1) phase shifters may be utilized for the estimating of the complex phase. Complex waveforms, comprising in-phase (I) and quadrature (Q) components for the received clusters within the received WCDMA signals, may be processed. The processed complex waveforms comprising the in-phase and quadrature components may be filtered to a WCDMA baseband bandwidth. A phase and/or amplitude for at least one of the received WCDMA signals may be adjusted utilizing the estimated complex phase and amplitude. The phase and/or amplitude may be adjusted continuously and/or at discrete intervals.

摘要翻译： 在本文中公开了用于处理接收机中的信号的方法和系统，并且可以包括经由M个接收天线接收WCDMA信号，跟踪所接收的WCDMA信号内的多个接收到的簇，以及估计接收到的每个的一部分的复相位和振幅 集群。 单个群集可以包括接收到的WCDMA信号路径的聚合，并且可以使用（M-1）移相器来估计复数相位。 可以处理包括接收到的WCDMA信号内接收到的簇的同相（I）和正交（Q）分量的复杂波形。 包括同相和正交分量的经处理的复合波形可以被滤波到WCDMA基带带宽。 可以使用估计的复相位和幅度来调整所接收的WCDMA信号中的至少一个的相位和/或幅度。 可以连续地和/或以离散的间隔调整相位和/或振幅。

公开(公告)号：US20110103456A1

公开(公告)日：2011-05-05

申请号：US12940150

申请日：2010-11-05

申请人： Mark Kent ,  Uri Landau ,  Severine Catreux-Erceg ,  Vinko Erceg ,  Ning Kong ,  Pieter Roux

发明人： Mark Kent ,  Uri Landau ,  Severine Catreux-Erceg ,  Vinko Erceg ,  Ning Kong ,  Pieter Roux

IPC分类号： H03H7/40 ,  H04L7/00

CPC分类号： H04B7/0413 ,  H04L25/03038 ,  H04L2025/03426 ,  H04L2025/03471 ,  H04L2025/03617 ,  H04L2025/03662 ,  H04L2025/037

摘要： A method for processing signals includes, in a wireless system comprising one or more processors and/or circuits integrated within a single chip, initializing values related to at least one channel response vector and at least one correlation vector using a conjugate gradient-based (CG) algorithm. A plurality of filter taps may be updated utilizing at least one channel response vector and at least one correlation vector, for a plurality of received clusters, based on the initialized values and at least one signal-to-noise ratio (SNR) for the received signal clusters. At least a portion of the received signal clusters may be filtered utilizing at least a portion of the updated plurality of filter taps. The updating may be repeated whenever a specified signal-to-noise ratio (SNR) for the received clusters is reached. The initialized values may be updated during a plurality of iterations.

摘要翻译： 一种用于处理信号的方法包括在包括集成在单个芯片内的一个或多个处理器和/或电路的无线系统中，使用基于共轭梯度（CG）的至少一个信道响应向量和至少一个相关向量初始化值 ）算法。 可以基于所接收的初始化值和至少一个信噪比（SNR），利用至少一个信道响应向量和多个接收到的群集的至少一个相关向量来更新多个滤波器抽头 信号簇。 可以利用更新的多个滤波器抽头的至少一部分来对接收信号簇的至少一部分进行滤波。 只要达到接收到的簇的指定信噪比（SNR），就可以重新进行更新。 可以在多次迭代期间更新初始化值。

公开(公告)号：US20110098082A1

公开(公告)日：2011-04-28

申请号：US12984089

申请日：2011-01-04

申请人： Mark Kent ,  Vinko Erceg ,  Uri M. Landau ,  Pieter Van Rooyen

发明人： Mark Kent ,  Vinko Erceg ,  Uri M. Landau ,  Pieter Van Rooyen

IPC分类号： H04W88/06

CPC分类号： H04B7/084

摘要： In a RF communications system, aspects for single weight antenna system for HSDPA may comprise receiving HSDPA signals via a plurality of receive antennas and individually adjusting a phase of a portion of the received HSDPA signals via a single weight. The phase adjusted portion of the received HSDPA signals may be combined with at least one of the received HSDPA signals to generate combined HSDPA signals. At least one control signal may control the adjusting of the phase of the received HSDPA signals. Discrete phases may be communicated to adjust the phase of the portion of the received HSDPA signals, where the plurality of the discrete phases may range from zero radians to substantially 2π radians. Phase shift channel estimates may be generated during the identified time to determine the discrete phase. A desired phase may be generated from the phase shift channel estimates, and the single weight may be generated from the desired phase.

摘要翻译： 在RF通信系统中，用于HSDPA的单重天线系统的方面可以包括经由多个接收天线接收HSDPA信号，并通过单个权重单独地调整所接收的HSDPA信号的一部分的相位。 所接收的HSDPA信号的相位调整部分可以与所接收的HSDPA信号中的至少一个组合以产生组合的HSDPA信号。 至少一个控制信号可以控制所接收的HSDPA信号的相位的调整。 可以传送离散相位以调整所接收的HSDPA信号的部分的相位，其中多个离散相位的范围可以从零弧度到基本上为2π; 弧度。 可以在识别的时间期间产生相移信道估计以确定离散相位。 可以从相移信道估计产生期望的相位，并且可以从期望的相位产生单个权重。

公开(公告)号：US20110051828A1

公开(公告)日：2011-03-03

申请号：US12910485

申请日：2010-10-22

申请人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

发明人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

IPC分类号： H04L27/28

CPC分类号： H04L5/143 ,  H04B7/0417 ,  H04B7/0639 ,  H04L25/0204 ,  H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03808

摘要： A method and system for processing communication signals is provided and may comprise, quantizing a channel estimate at a MIMO receiver onto a codebook based on a cost function, wherein the codebook comprises a plurality of unitary matrices. A codebook index may be fed back from the MIMO receiver to a MIMO transmitter, wherein the codebook index is associated with one of the plurality of unitary matrices that minimizes the cost function. The cost function may be minimized by choosing a smallest scalar cost from a plurality of scalar costs, wherein each one of the scalar costs is generated from one or more sums and one or more products of elements of a product matrix, and wherein the product matrix is generated from one of the plurality of unitary matrices, a matrix comprising the channel estimate, and their respective Hermitian Transposes.

摘要翻译： 提供了一种用于处理通信信号的方法和系统，并且可以包括：基于成本函数将MIMO接收机处的信道估计量化到码本上，其中码本包括多个酉矩阵。 码本索引可以从MIMO接收机反馈到MIMO发射机，其中，码本索引与使成本函数最小化的多个酉矩阵中的一个相关联。 可以通过从多个标量成本中选择最小标量成本来最小化成本函数，其中每个标量成本是从产品矩阵的一个或多个和的乘积和一个或多个乘积的乘积产生的，并且其中产品矩阵 从多个酉矩阵中的一个生成矩阵，包括信道估计的矩阵以及它们各自的厄米转移。

公开(公告)号：US07885288B2

公开(公告)日：2011-02-08

申请号：US12343955

申请日：2008-12-24

申请人： Mark Kent ,  Vinko Erceg ,  Uri M Landau ,  Pieter G.W. van Rooyen ,  Pieter Roux

发明人： Mark Kent ,  Vinko Erceg ,  Uri M Landau ,  Pieter G.W. van Rooyen ,  Pieter Roux

IPC分类号： H04J15/00

CPC分类号： H04B7/0848 ,  H04B7/0634 ,  H04L1/0003 ,  H04L1/1845 ,  H04L25/0204 ,  H04L25/0212

摘要： In a wireless system, a method and system for channel estimation in a single channel MIMO system comprising two-transmit and multiple-receive antennas for WCDMA/HSDPA are provided. A first receive antenna and at least one additional receive antenna may receive a plurality of SC communication signals transmitted from a first and an additional transmit antennas. Estimates of the propagation channels between transmit and receive antennas may be performed concurrently and may be determined from a baseband combined channel estimate. The integration time may be based on channel estimation accuracy and wireless modem performance. The signals received in the additional receive antennas may be multiplied by a rotation waveform to achieve channel orthogonality. The rotation waveform's amplitude and phase components may be modified based on the channel estimates. Rotation of the received signals in the additional receive antennas may be continuous or periodic.

摘要翻译： 在无线系统中，提供了一种包括用于WCDMA / HSDPA的双发和多接收天线的单信道MIMO系统中信道估计的方法和系统。 第一接收天线和至少一个另外的接收天线可以接收从第一和另外的发射天线发射的多个SC通信信号。 可以同时执行发射天线和接收天线之间的传播信道的估计，并且可以从基带组合信道估计来确定。 积分时间可以基于信道估计精度和无线调制解调器性能。 在附加接收天线中接收的信号可以乘以旋转波形以实现信道正交性。 可以基于信道估计来修改旋转波形的幅度和相位分量。 接收信号在附加接收天线中的旋转可以是连续的或周期性的。

公开(公告)号：US07865162B2

公开(公告)日：2011-01-04

申请号：US12553585

申请日：2009-09-03

申请人： Mark Kent ,  Vinko Erceg ,  Uri M. Landau ,  Pieter van Rooyen

发明人： Mark Kent ,  Vinko Erceg ,  Uri M. Landau ,  Pieter van Rooyen

IPC分类号： H04B1/06

CPC分类号： H04B7/084

摘要： In a RF communications system, aspects for single weight antenna system for HSDPA may comprise receiving HSDPA signals via a plurality of receive antennas and individually adjusting a phase of a portion of the received HSDPA signals via a single weight. The phase adjusted portion of the received HSDPA signals may be combined with at least one of the received HSDPA signals to generate combined HSDPA signals. At least one control signal may control the adjusting of the phase of the received HSDPA signals. Discrete phases may be communicated to adjust the phase of the portion of the received HSDPA signals, where the plurality of the discrete phases may range from zero radians to substantially 2π radians. Phase shift channel estimates may be generated during the identified time to determine the discrete phase. A desired phase may be generated from the phase shift channel estimates, and the single weight may be generated from the desired phase.

摘要翻译： 在RF通信系统中，用于HSDPA的单重天线系统的方面可以包括经由多个接收天线接收HSDPA信号，并通过单个权重单独地调整所接收的HSDPA信号的一部分的相位。 所接收的HSDPA信号的相位调整部分可以与所接收的HSDPA信号中的至少一个组合以产生组合的HSDPA信号。 至少一个控制信号可以控制所接收的HSDPA信号的相位的调整。 可以传送离散相位以调整所接收的HSDPA信号的部分的相位，其中多个离散相位的范围可以从零弧度到基本上为2π; 弧度。 可以在识别的时间期间产生相移信道估计以确定离散相位。 可以从相移信道估计产生期望的相位，并且可以从期望的相位产生单个权重。

公开(公告)号：US07860199B2

公开(公告)日：2010-12-28

申请号：US12404564

申请日：2009-03-16

申请人： Mark Kent ,  Vinko Erceg ,  Uri M. Landau ,  Pieter van Rooyen

发明人： Mark Kent ,  Vinko Erceg ,  Uri M. Landau ,  Pieter van Rooyen

IPC分类号： H04B7/10 ,  H04L1/02

CPC分类号： H04B1/7103 ,  H04B1/707

摘要： Aspects of a method and system for a single antenna receiver system for HSDPA are provided. Aspects of a method for processing RF signals, the method may comprise computing channel estimates based on a plurality of received individual distinct path signals, generating timing reference signals indicating a location of at least one of the plurality of received individual distinct path signals, combining at least a portion of the plurality of received individual distinct path signals as a signal cluster based on at least one of the computed channel estimates and said generated timing reference signals, and selecting at least one of combining and equalization processing based on at least one of the computed channel estimates and the generated timing reference signals. Aspects of a system for processing RF signals may comprise circuitry that selects at least one of combining and equalization processing based the computed channel estimates and/or generated timing reference signals.

摘要翻译： 提供了用于HSDPA的单个天线接收机系统的方法和系统的方面。 用于处理RF信号的方法的方面，所述方法可以包括基于多个接收到的各个不同路径信号来计算信道估计，产生指示多个接收到的各个不同路径信号中的至少一个的位置的定时参考信号， 基于所计算的信道估计和所生成的定时参考信号中的至少一个，所述多个接收到的各个独立路径信号中的至少一部分作为信号簇，并且基于以下各项中的至少一个来选择组合和均衡处理中的至少一个： 计算的信道估计和所产生的定时参考信号。 用于处理RF信号的系统的方面可以包括基于所计算的信道估计和/或生成的定时参考信号来选择组合和均衡处理中的至少一个的电路。

公开(公告)号：US20080165869A1

公开(公告)日：2008-07-10

申请号：US11767108

申请日：2007-06-22

申请人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

发明人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

IPC分类号： H04L27/28

CPC分类号： H04L25/03343 ,  H04B7/0639 ,  H04B7/0663 ,  H04L1/06 ,  H04L25/0204 ,  H04L25/0248 ,  H04L2025/03426 ,  H04L2025/03687 ,  H04L2025/037 ,  H04L2025/03808

摘要： Aspects of a method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback may comprise quantizing a change in channel state information in a MIMO pre-coding system onto at least a first and a second codebook, each of which comprises one or more unitary matrices, using a cost function; and generating the at least first and second codebook based on at least the channel state information. The channel state information may be a matrix V and the cost function may be defined by the following relationship: f  ( A ) = ( 1 N  ∑ j = 1 N   a jj  2 ) where A is a matrix of size N by N and aij is element (i,j) of matrix A. One or more unitary matrices may be generated for the at least first codebook from at least a first set of matrices and a second set of matrices.

摘要翻译： 用于具有有限速率信道状态信息反馈的MIMO预编码器的Δ量化器的方法和系统的方面可以包括将MIMO预编码系统中的信道状态信息的改变量化到至少第一和第二码本上， 其包括使用成本函数的一个或多个酉矩阵; 以及至少基于所述信道状态信息生成所述至少第一和第二码本。 信道状态信息可以是矩阵V，并且成本函数可以由以下关系定义：