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1. 发明申请

US20100002759A1 LOW BIAS ESTIMATION OF SMALL SIGNAL-TO-NOISE RATIO 有权
标题翻译：小信号噪声比的低偏估计
公开(公告)号：US20100002759A1
公开(公告)日：2010-01-07
申请号：US12560116
申请日：2009-09-15
申请人： Bin Li , Robert DiFazio , Ariela Zeira
发明人： Bin Li , Robert DiFazio , Ariela Zeira
IPC分类号： H04B17/00
CPC分类号： H04L1/20 , H04B17/336
摘要： A method implemented by a user equipment includes selecting a first estimate of a signal-to-noise (SNR) ratio, calculating a first amplitude and first noise variance, calculating a second amplitude and a second noise variance, calculating a second SNR, calculating a resolution value, adjusting the first SNR, and performing estimation iterations until the resolution value is equal to a predetermined value.
摘要翻译：由用户设备实现的方法包括：选择信噪比（SNR）比率的第一估计，计算第一幅度和第一噪声方差，计算第二幅度和第二噪声方差，计算第二SNR，计算第分辨率值，调整第一SNR，并执行估计迭代，直到分辨率值等于预定值。

2. 发明授权

US07764730B2 Low bias estimation of small signal-to-noise ratio 有权
标题翻译：小信噪比的低偏估计
公开(公告)号：US07764730B2
公开(公告)日：2010-07-27
申请号：US12560116
申请日：2009-09-15
申请人： Bin Li , Robert DiFazio , Ariela Zeira
发明人： Bin Li , Robert DiFazio , Ariela Zeira
IPC分类号： H04B3/46 , H04B17/00 , H04Q1/20
CPC分类号： H04L1/20 , H04B17/336
摘要： A method implemented by a user equipment includes selecting a first estimate of a signal-to-noise (SNR) ratio, calculating a first amplitude and first noise variance, calculating a second amplitude and a second noise variance, calculating a second SNR, calculating a resolution value, adjusting the first SNR, and performing estimation iterations until the resolution value is equal to a predetermined value.
摘要翻译：由用户设备实现的方法包括：选择信噪比（SNR）比率的第一估计，计算第一幅度和第一噪声方差，计算第二幅度和第二噪声方差，计算第二SNR，计算第分辨率值，调整第一SNR，并执行估计迭代，直到分辨率值等于预定值。

3. 发明申请

US20060039330A1 High speed downlink packet access co-processor for upgrading the capabilities of an existing modem host 审中-公开
标题翻译：用于升级现有调制解调器主机的能力的高速下行链路分组接入协处理器
公开(公告)号：US20060039330A1
公开(公告)日：2006-02-23
申请号：US11184331
申请日：2005-07-19
申请人： William Hackett , Robert DiFazio , Edward Hepler , Alexander Reznik , Douglas Castor , Ariela Zeira , Robert Gazda , John Kaewell
发明人： William Hackett , Robert DiFazio , Edward Hepler , Alexander Reznik , Douglas Castor , Ariela Zeira , Robert Gazda , John Kaewell
IPC分类号： H04B7/216
CPC分类号： H04B1/707 , H04B1/406 , H04B2201/70707 , H04B2201/709727 , H04L2025/03509 , H04W88/02
摘要： A wireless transmit/receive unit (WTRU) for processing code division multiple access (CDMA) signals. The WTRU includes a modem host and a high speed downlink packet access (HSDPA) co-processor, which communicate over a plurality of customizable interfaces. The modem host operates in accordance with third generation partnership project (3GPP) Release 4 (R4) standards, and the HSDPA co-processor enhances the wireless communication capabilities of the WTRU as a whole such that the WTRU operates in accordance with 3GPP Release 5 (R5) standards.
摘要翻译：一种用于处理码分多址（CDMA）信号的无线发射/接收单元（WTRU）。 WTRU包括调制解调器主机和通过多个可定制接口进行通信的高速下行链路分组接入（HSDPA）协处理器。调制解调器主机根据第三代合作伙伴计划（3GPP）版本4（R4）标准进行操作，并且HSDPA协处理器整体上增强了WTRU的无线通信能力，使得WTRU根据3GPP版本5（ R5）标准。

4. 发明申请

US20050105652A1 Algorithm for multiple-symbol differential detection 失效
标题翻译：多符号差分检测算法
公开(公告)号：US20050105652A1
公开(公告)日：2005-05-19
申请号：US11015220
申请日：2004-12-17
申请人： Bin Lin , Robert DiFazio , Donald Grieco , Ariela Zeira
发明人： Bin Lin , Robert DiFazio , Donald Grieco , Ariela Zeira
IPC分类号： H04L25/03 , H03D3/22
CPC分类号： H04L27/2331 , H04L25/03197 , H04L27/2332
摘要： A method for differential phase evaluation of M-ary communication data is employed in which the data consists of N sequential symbols r1 . . . rN, each having one of M transmitted phases. Selected sequences of N−1 elements that represent possible sequences of phase differentials are evaluated using multiple-symbol differential detection. Using r1 as the reference for each phase differential estimate, sN−1 phase differential sequences are selected in the form (P2i, P3i, . . . , PNi) for i=1 to s for evaluating said symbol set, where s is predetermined and 1
摘要翻译：采用用于微分通信数据的差分相位评估的方法，其中数据由N个连续符号r 1> 1组成。。。每个具有M个透射相中的一个。使用多符号差分检测来评估代表可能的相位差序列的N-1个元素的选定序列。以每个相位微分估计的参考值为单位，以下列形式选择相位差分序列（P 2i，P 对于i = 1至s来评估所述符号集合，其中s是预定的并且1

5. 发明申请

US20050025267A1 Reduced complexity sliding window based equalizer 失效
标题翻译：降低复杂性滑动窗口均衡器
公开(公告)号：US20050025267A1
公开(公告)日：2005-02-03
申请号：US10875900
申请日：2004-06-24
申请人： Alexander Reznik , Rui Yang , Bin Li , Ariela Zeira
发明人： Alexander Reznik , Rui Yang , Bin Li , Ariela Zeira
IPC分类号： H04L25/08
CPC分类号： H04L25/0242 , H04B1/71052 , H04L25/0212 , H04L25/03057 , H04L25/03292 , H04L2025/03426 , H04L2025/03509 , H04L2025/03605
摘要： The present invention has many aspects. One aspect of the invention is to perform equalization using a sliding window approach. A second aspect reuses information derived for each window for use by a subsequent window. A third aspect utilizes a discrete Fourier transform based approach for the equalization. A fourth aspect relates to handling oversampling of the received signals and channel responses. A fifth aspect relates to handling multiple reception antennas. A sixth embodiment relates to handling both oversampling and multiple reception antennas.
摘要翻译：本发明具有许多方面。本发明的一个方面是使用滑动窗口方法进行均衡。第二个方面重用为每个窗口导出的信息，供后续窗口使用。第三方面利用基于离散傅立叶变换的均衡方法。第四方面涉及处理接收信号和信道响应的过采样。第五方面涉及处理多个接收天线。第六实施例涉及处理过采样和多个接收天线。

6. 发明授权

US07706482B2 Algorithm for multiple-symbol differential detection 失效
标题翻译：多符号差分检测算法
公开(公告)号：US07706482B2
公开(公告)日：2010-04-27
申请号：US12288630
申请日：2008-10-21
申请人： Bin Li , Robert A. DiFazio , Donald M. Grieco , Ariela Zeira
发明人： Bin Li , Robert A. DiFazio , Donald M. Grieco , Ariela Zeira
IPC分类号： H04L27/06
CPC分类号： H04L27/2331 , H04L25/03197 , H04L27/2332
摘要： A method for differential phase evaluation of M-ary communication data is employed in which the data consists of N sequential symbols r1 . . . rN, each having one of M transmitted phases. Selected sequences of N−1 elements that represent possible sequences of phase differentials are evaluated using multiple-symbol differential detection. Using r1 as the reference for each phase differential estimate, sN−1 phase differential sequences are selected in the form (P2i, P3i, . . . , PNi) for i=1 to s for evaluating said symbol set, where s is predetermined and 1
摘要翻译：采用一种用于微分通信数据的差分相位估计的方法，其中数据由N个连续符号r1组成。。。 rN，每个都具有M个传输相中的一个。使用多符号差分检测来评估代表可能的相位差序列的N-1个元素的选定序列。使用r1作为每个相位差分估计的参考，以i = 1至s的形式（P2i，P3i，...，PNi）选择sN-1相位差分序列，用于评估所述符号集，其中s是预定的， 1

7. 发明授权

US06842496B2 Algorithm for multiple-symbol differential detection 失效
标题翻译：多符号差分检测算法
公开(公告)号：US06842496B2
公开(公告)日：2005-01-11
申请号：US10279238
申请日：2002-10-24
申请人： Bin Li , Robert A. DiFazio , Donald M. Grieco , Ariela Zeira
发明人： Bin Li , Robert A. DiFazio , Donald M. Grieco , Ariela Zeira
IPC分类号： H04L25/03 , H04L27/22 , H04B1/707 , H04L23/02
CPC分类号： H04L27/2331 , H04L25/03197 , H04L27/2332
摘要： A method for differential phase evaluation of M-ary communication data is employed in which the data consists of N sequential symbols r1 . . . rN, each having one of M transmitted phases. Selected sequences of N−1 elements that represent possible sequences of phase differentials are evaluated using multiple-symbol differential detection. Using r1 as the reference for each phase differential estimate, sN−1 phase differential sequences are selected in the form (P2i, P3i, . . . , PNi) for i=1 to s for evaluating said symbol set, where s is predetermined and 1
摘要翻译：采用一种用于微分通信数据的差分相位估计的方法，其中数据由N个连续符号r1组成。。。 rN，每个都具有M个传输相中的一个。使用多符号差分检测来评估代表可能的相位差序列的N-1个元素的选定序列。使用r1作为每个相位差分估计的参考，以i = 1至s的形式（P2i，P3i，...，PNi）选择s 相位差分序列，用于评估所述符号集，其中s 是预定的，1

8. 发明授权

US07609794B2 Reduced complexity sliding window based equalizer 失效
标题翻译：降低复杂性滑动窗口均衡器
公开(公告)号：US07609794B2
公开(公告)日：2009-10-27
申请号：US12191702
申请日：2008-08-14
申请人： Alexander Reznik , Rui Yang , Bin Li , Ariela Zeira
发明人： Alexander Reznik , Rui Yang , Bin Li , Ariela Zeira
IPC分类号： H04B7/10
CPC分类号： H04L25/0242 , H04B1/71052 , H04L25/0212 , H04L25/03057 , H04L25/03292 , H04L2025/03426 , H04L2025/03509 , H04L2025/03605
摘要： Data estimation is performed in a wireless communication system using both oversampling and multiple reception antennas. A receive vector is produced for each antenna at a sampling interval which is a multiple of the chip rate of the received signal. A channel response matrix is produced for each antenna at a preferred multiple of the sampling rate. Each receive vector is processed using a sliding window based approach, where a plurality of successive windows are processed. For each window, a combined circulant channel response matrix is produced using the channel response matrices. Using the combined circulant channel response matrix and a combined received vector comprising each received vector in a discrete Fourier transform based approach to estimate a data vector corresponding to that window; and combining the data vector estimated in each window to form a combined data vector.
摘要翻译：在使用过采样和多个接收天线的无线通信系统中执行数据估计。以每个天线的采样间隔产生接收矢量，该采样间隔是接收信号的码片速率的倍数。以采样率的优选倍数为每个天线产生信道响应矩阵。使用基于滑动窗口的方法处理每个接收向量，其中处理多个连续的窗口。对于每个窗口，使用信道响应矩阵来产生组合循环信道响应矩阵。使用组合循环信道响应矩阵和包括基于离散傅立叶变换的方法中的每个接收向量的组合接收向量来估计对应于该窗口的数据矢量; 并组合在每个窗口中估计的数据矢量以形成组合的数据向量。

9. 发明授权

US07428279B2 Reduced complexity sliding window based equalizer 失效
标题翻译：降低复杂性滑动窗口均衡器
公开(公告)号：US07428279B2
公开(公告)日：2008-09-23
申请号：US10791244
申请日：2004-03-02
申请人： Rui Yang , Bin Li , Alexander Reznik , Ariela Zeira
发明人： Rui Yang , Bin Li , Alexander Reznik , Ariela Zeira
IPC分类号： H03D1/04
CPC分类号： H04L25/03057 , H04L25/0212 , H04L25/0242 , H04L25/03292 , H04L2025/03605
摘要： A sliding window based data estimation is performed. An error is introduced in the data estimation due to the communication model modeling the relationship between the transmitted and received signals. To compensate for an error in the estimated data, the data that was estimated in a previous sliding window step or terms that would otherwise be truncated as noise are used. These techniques allow for the data to be truncated prior to further processing reducing the data of the window.
摘要翻译：执行基于滑动窗口的数据估计。由于通信模型对发送和接收信号之间的关系建模，在数据估计中引入了误差。为了补偿估计数据中的错误，使用在先前的滑动窗口步骤中估计的数据或否则将被截断为噪声的术语。这些技术允许在进一步处理之前对数据进行截断以减少窗口的数据。

10. 发明授权

US07127014B2 High performance wireless receiver with cluster multipath interference suppression circuit 有权
标题翻译：具有集群多径干扰抑制电路的高性能无线接收机
公开(公告)号：US07127014B2
公开(公告)日：2006-10-24
申请号：US11327738
申请日：2006-01-06
申请人： Bin Li , Rui Yang , Alexander Reznik , Ariela Zeira
发明人： Bin Li , Rui Yang , Alexander Reznik , Ariela Zeira
IPC分类号： H04B1/10 , H04B7/216
CPC分类号： H04B1/7113 , H04B1/7115 , H04L25/03038 , H04L25/03987 , H04L2025/03592
摘要： A receiver which suppresses inter-cluster multipath interference by processing an impulse channel response consisting of two multipath clusters, each cluster having groups of signals with multiple delays. In one embodiment, the receiver includes a single antenna and parallel-connected delay units used to align the groups of signals before being input into respective sliding window equalizers. The outputs of the equalizers are combined at chip level via a combiner which provides a single output. In another embodiment, a cluster multipath interference suppression (CMIS) circuit is incorporated into the receiver. The CMIS circuit includes a hard decision unit and a plurality of signal regeneration units to generate replicas of the multipath clusters. The replicas are subtracted from the respective outputs of the delay units and the results are input to the respective sliding window equalizers. In another embodiment, multiple antennas are used to receive and process the clusters.
摘要翻译：一种通过处理由两个多径簇组成的脉冲信道响应来抑制簇间多径干扰的接收机，每个簇具有多个延迟的信号组。在一个实施例中，接收机包括单个天线和并联连接的延迟单元，用于在输入到相应的滑动窗口均衡器之前将信号组对准。均衡器的输出通过提供单个输出的组合器在芯片级组合。在另一个实施例中，集群多径干扰抑制（CMIS）电路被并入到接收机中。 CMIS电路包括硬决策单元和多个信号再生单元以生成多路径簇的副本。从延迟单元的相应输出中减去副本，并将结果输入到各个滑动窗均衡器。在另一个实施例中，使用多个天线来接收和处理簇。

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