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    • 92. 发明授权
    • Method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback
    • 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
    • US08411728B2
    • 2013-04-02
    • US13031768
    • 2011-02-22
    • Mark KentVinko ErcegJun Zheng
    • Mark KentVinko ErcegJun Zheng
    • H04B1/00
    • H04B7/0417H04B7/0626H04B7/0639H04B7/0641
    • A MIMO pre-coding system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback may include quantizing a change in channel state information in a MIMO pre-coding system onto a codebook, which comprises one or more unitary matrices, using a cost function. The codebook may be generated based on at least the channel state information. The channel state information may comprise a matrix V and the cost function f(A) 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 from at least a first set of matrices and a second set of matrices, where the first set of matrices may comprise one or more Givens matrices. A dynamic range and a resolution of the codebook may be modified.
    • 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MIMO预编码系统可以包括将MIMO预编码系统中的信道状态信息的改变量化到包括一个或多个酉矩阵的码本上, 使用成本函数。 码本可以至少基于信道状态信息生成。 信道状态信息可以包括矩阵V,并且成本函数f(A)可以由以下关系定义:f⁡(A)=(1NΣj = 1 Na jj钟2)其中A是 尺寸N乘N的矩阵和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生成一个或多个酉矩阵,其中第一组矩阵可以 包括一个或多个Givens矩阵。 可以修改码本的动态范围和分辨率。
    • 95. 发明授权
    • Method and system for single antenna receiver system for W-CDMA
    • W-CDMA单天线接收机系统方法与系统
    • US08254432B2
    • 2012-08-28
    • US13237717
    • 2011-09-20
    • Mark KentVinko ErcegUri M. LandauPieter Van Rooyen
    • Mark KentVinko ErcegUri M. LandauPieter Van Rooyen
    • H04B1/00
    • H04L25/0212H04B1/7115H04B1/7117H04L25/0204
    • A receiver receives chip-level data items via a plurality of individual distinct path signals in a signal cluster that is wirelessly received. Channel estimates and timing reference signals, and lock indications of valid components values in the channel estimates are generated utilizing the received chip-level data items. Rake receiver fingers are assigned to the received individual distinct path signals based on the generated channel estimates and timing reference signals, and/or the lock indications. Each of the received chip-level data items corresponds to one of the assigned rake receiver fingers. At least a portion of the received chip-level data items may be combined utilizing the assigned rake receiver fingers. The generated one or more combined chip-level data items may be despreaded to generate corresponding symbol-level data.
    • 接收机通过无线接收的信号簇中的多个单独不同路径信号接收码片级数据项。 利用接收到的芯片级数据项产生信道估计和定时参考信号,以及信道估计中有效分量值的锁定指示。 基于所生成的信道估计和定时参考信号和/或锁定指示,将接收到的各个不同路径信号的耙式接收器指针分配给接收器。 所接收的芯片级数据项中的每一个对应于所分配的瑞克接收机手指中的一个。 接收的芯片级数据项的至少一部分可以利用分配的分离的接收机接收机手指组合。 所生成的一个或多个组合芯片级数据项可以被解扩展以产生相应的符号级数据。
    • 96. 发明授权
    • Method and system for dynamic adjustment of power and frequencies in a femtocell network
    • 毫微微小区网络中功率和频率动态调整的方法和系统
    • US08213937B2
    • 2012-07-03
    • US12415826
    • 2009-03-31
    • Vinko ErcegCharles AbrahamXuemin ChenWael William DiabVictor T HouJeyhan KaraoguzMark Kent
    • Vinko ErcegCharles AbrahamXuemin ChenWael William DiabVictor T HouJeyhan KaraoguzMark Kent
    • H04W4/00
    • H04W16/28H04W24/02H04W52/244H04W84/045
    • Aspects of a method and system for dynamic adjustment of power, antenna direction and frequencies in a femtocell network are provided. In this regard, a communication system may comprise a plurality of femtocells, one or more base stations, and a femtocell management entity that coordinates operation of the plurality of femtocells. One or more parameters may be communicated from one of the plurality of femtocells and/or one or more base stations to the femtocell management entity. The femtocell management entity may be enabled to utilize the one or more parameters to determine configuration information for one of the plurality of femtocells and/or for one or more remaining ones of the plurality of femtocells. One of the plurality of femtocells may be enabled to receive the determined configuration information from the femtocell management entity. One of the plurality of femtocells may be configured utilizing the received determined configuration information.
    • 提供了一种用于在毫微微小区网络中动态调整功率,天线方向和频率的方法和系统的方面。 在这方面,通信系统可以包括多个毫微微小区,一个或多个基站和协调多个毫微微小区的操作的毫微微小区管理实体。 一个或多个参数可以从多个毫微微小区和/或一个或多个基站之一传送到毫微微小区管理实体。 毫微微小区管理实体可以被使能以利用一个或多个参数来确定多个毫微微小区之一和/或多个毫微微小区中的一个或多个剩余的毫微微小区中的一个的配置信息。 可以使多个毫微微小区中的一个能够从毫微微小区管理实体接收确定的配置信息。 可以使用所接收的确定的配置信息来配置多个毫微微小区中的一个。
    • 97. 发明授权
    • Method and system for preserving content timing across femtocell interfaces via timestamp insertion
    • 用于通过时间戳插入来保持毫微微小区接口的内容定时的方法和系统
    • US08169999B2
    • 2012-05-01
    • US12355321
    • 2009-01-16
    • Charles AbrahamXuemin Sherman ChenWael William DiabVinko ErcegVictor T. HouJeyhan KaraoguzMark Kent
    • Charles AbrahamXuemin Sherman ChenWael William DiabVinko ErcegVictor T. HouJeyhan KaraoguzMark Kent
    • H04J3/06
    • H04J3/0673H04J3/0664
    • Aspects of a method and system for preserving content timing across femtocell interfaces via timestamp insertion are provided. In this regard, a femtocell may receive a first time-stamped packet via a first interface and transcode the time-stamped packet. The femtocell may buffer the transcoded packet based on a time-stamp recovered from the packet and may transmit the buffered transcoded packet via a second interface. One of the first interface and the second interface may utilize the Internet Protocol. One of the first interface and the second interface may be a non-cellular interface and the other interface may be a cellular interface. The femtocell may be operable to generate a timestamp corresponding to a time instant at which a time-stamped packet arrived via the first interface or the second interface. The timestamp may be referenced to a clock within a cellular enabled communication devices communicatively coupled to the femtocell.
    • 提供了一种用于通过时间戳插入来保持穿过毫微微小区接口的内容定时的方法和系统的方面。 在这方面,毫微微小区可以经由第一接口接收第一时间戳分组,并对时间戳分组进行转码。 毫微微小区可以基于从分组恢复的时间戳缓冲经转码的分组,并且可以经由第二接口发送缓冲的经转码的分组。 第一接口和第二接口之一可以利用因特网协议。 第一接口和第二接口之一可以是非蜂窝接口,另一接口可以是蜂窝接口。 毫微微小区可以用于生成与通过第一接口或第二接口到达的时间戳分组的时刻相对应的时间戳。 时间戳可以参考通信地耦合到毫微微小区的支持蜂窝的通信设备内的时钟。
    • 100. 发明申请
    • METHOD AND SYSTEM FOR SINGLE WEIGHT ANTENNA SYSTEM FOR HSDPA
    • HSDPA单重天线系统的方法与系统
    • US20110098082A1
    • 2011-04-28
    • US12984089
    • 2011-01-04
    • Mark KentVinko ErcegUri M. LandauPieter Van Rooyen
    • Mark KentVinko ErcegUri M. LandauPieter Van Rooyen
    • H04W88/06
    • H04B7/084
    • 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.
    • 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。