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51. 发明申请

US20070263754A1 Hardware allocation in a multi-channel communication environment 有权
标题翻译：多通道通信环境中的硬件分配
公开(公告)号：US20070263754A1
公开(公告)日：2007-11-15
申请号：US11798439
申请日：2007-05-14
申请人： Bruce J. Currivan , Thomas J. Kolze , Loke K. Tan , Hanli Zou , Johnathan S. Min
发明人： Bruce J. Currivan , Thomas J. Kolze , Loke K. Tan , Hanli Zou , Johnathan S. Min
IPC分类号： H04B1/10
CPC分类号： H04B1/406 , H04B1/0003 , H04B1/001
摘要： Hardware allocation techniques are described for use in a multi-channel communication environment. The techniques may be used to reduce the number of gates needed for processing and/or to improve the efficiency and/or speed of a communication system. For example, resources that are under-utilized may be removed or allocated to another operation or user. In an exemplary implementation, a receiver includes a plurality of signal processing modules corresponding to respective channels and a hardware allocation module. The hardware allocation module allocates resources in the signal processing modules based on utilization of at least one of the resources.
摘要翻译：硬件分配技术被描述用于在多信道通信环境中使用。这些技术可以用于减少处理所需的门的数量和/或提高通信系统的效率和/或速度。例如，未充分利用的资源可能被删除或分配给另一个操作或用户。在示例性实现中，接收机包括对应于各个信道的多个信号处理模块和硬件分配模块。硬件分配模块基于至少一个资源的利用来分配信号处理模块中的资源。

52. 发明授权

US07142618B2 Receiver having decisional feedback equalizer with remodulation and related methods 失效
公开(公告)号：US07142618B2
公开(公告)日：2006-11-28
申请号：US10724036
申请日：2003-12-01
申请人： Thomas D Kwon , Jonathan S Min , Fang Lu , Thomas J Kolze
发明人： Thomas D Kwon , Jonathan S Min , Fang Lu , Thomas J Kolze
IPC分类号： H04L1/00
CPC分类号： H04L25/03273 , H04L25/03057 , H04L27/3827 , H04L2025/0349 , H04L2027/003 , H04L2027/004 , H04L2027/0055 , H04L2027/0061
摘要： A receiver includes a filter for filtering a received signal to produce a filtered signal. A converter converts the filtered signal to a baseband signal that is substantially free of an initial frequency offset and inter-symbol interference (ISI), responsive to a frequency-offset estimate and a restorative signal that compensates for the ISI. A detector detects symbols in the baseband signal to produce a decision signal. A restorative signal generator generates, from the decision signal, the restorative signal responsive to the frequency-offset estimate, such that the restorative signal compensates for the ISI.

53. 发明授权

US07050516B2 System and method for periodic noise avoidance in data transmission systems 有权
标题翻译：数据传输系统中周期性噪声回避的系统和方法
公开(公告)号：US07050516B2
公开(公告)日：2006-05-23
申请号：US10391555
申请日：2003-03-20
申请人： Bruce J. Currivan , Thomas J. Kolze , Daniel H. Howard , Nabil Yousef , William Ngai
发明人： Bruce J. Currivan , Thomas J. Kolze , Daniel H. Howard , Nabil Yousef , William Ngai
IPC分类号： H03D1/04 , H03D1/06 , H03K5/01 , H03K6/04
CPC分类号： H04L1/20 , H04L1/0003
摘要： A system for periodic noise avoidance including a timing discriminator receiving an input signal from a communications channel. The input signal includes data packets and empty slots with periodic noise. The timing discriminator outputs a first error measurement of periodic noise width and a second error measurement of periodic noise position. A first loop filter inputs the first error measurement and outputs a width of the empty slots. A second loop filter inputs the second error measurement and outputs a frequency of the periodic noise. An oscillator inputs the width of the empty slots and the frequency, and outputs an empty slot waveform to the timing discriminator.
摘要翻译：一种用于周期性噪声回避的系统，包括接收来自通信信道的输入信号的定时鉴别器。输入信号包括具有周期性噪声的数据包和空槽。定时鉴别器输出周期性噪声宽度的第一误差测量值和周期噪声位置的第二误差测量值。第一个环路滤波器输入第一个误差测量值，并输出空时隙的宽度。第二个环路滤波器输入第二个误差测量并输出周期性噪声的频率。振荡器输入空插槽的宽度和频率，并将空槽波形输出到定时鉴频器。

54. 发明授权

US06690753B2 Receiver having decisional feedback equalizer with remodulation and related methods 失效
公开(公告)号：US06690753B2
公开(公告)日：2004-02-10
申请号：US10163871
申请日：2002-06-07
申请人： Thomas D. Kwon , Jonathan S. Min , Fang Lu , Thomas J. Kolze
发明人： Thomas D. Kwon , Jonathan S. Min , Fang Lu , Thomas J. Kolze
IPC分类号： H04L100
CPC分类号： H04L25/03273 , H04L25/03057 , H04L27/3827 , H04L2025/0349 , H04L2027/003 , H04L2027/004 , H04L2027/0055 , H04L2027/0061
摘要： A receiver includes a filter for filtering a received signal to produce a filtered signal. A converter converts the filtered signal to a baseband signal that is substantially free of an initial frequency offset and inter-symbol interference (ISI), responsive to a frequency-offset estimate and a restorative signal that compensates for the ISI. A detector detects symbols in the baseband signal to produce a decision signal. A restorative signal generator generates, from the decision signal, the restorative signal responsive to the frequency-offset estimate, such that the restorative signal compensates for the ISI.

55. 发明授权

US06396866B1 Symmetric chirp communications acquisition method and apparatus 失效
标题翻译：对称啁啾通信采集方法及装置
公开(公告)号：US06396866B1
公开(公告)日：2002-05-28
申请号：US09071574
申请日：1998-05-01
申请人： Eric L. Upton , Kenneth L. Brown , Martin P. Smith , Thomas J. Kolze
发明人： Eric L. Upton , Kenneth L. Brown , Martin P. Smith , Thomas J. Kolze
IPC分类号： H04L2730
CPC分类号： H04L27/2278 , H04L2027/0095
摘要： A method of acquiring a communications signal is provided. The method includes the steps of storing a forward chirp sync segment (106) of an auto-correlating forward chirp sync (102) and storing a reverse chirp sync segment (108) of a symmetric auto-correlating reverse chirp sync (104). A header comprising of either a forward chirp sync FCS (102) or a reverse chirp sync RCS (104), a predetermined number of data blocks comprising a data frame (308), and the symmetric auto-correlating trailer is received. The header, the data blocks, and the symmetric trailer are susceptible to frequency error. The method correlates the FCS segment (106) with the auto-correlating FCS (102) to provide a FCS correlation signal (312) and correlates the RCS segment (104) with the auto-correlating RCS (108) to provide a RCS correlation signal (314). The method determines the frequency error, symbol timing, and frame timing based upon the FCS correlation signal (312) and the RCS correlation signal (314).
摘要翻译：提供一种采集通信信号的方法。该方法包括存储自相关前向线性调频脉冲同步（102）的前向啁啾同步段（106）并存储对称自相关反向啁啾同步（104）的反向啁啾同步段（108）的步骤。包括前向啁啾同步FCS（102）或反向啁啾同步RCS（104）的标题，接收包括数据帧（308）的预定数量的数据块和对称的自动相关预告。报头，数据块和对称报尾易受频率误差的影响。该方法将FCS段（106）与自相关FCS（102）相关联以提供FCS相关信号（312），并将RCS段（104）与自相关RCS（108）相关联以提供RCS相关信号（314）。该方法基于FCS相关信号（312）和RCS相关信号（314）确定频率误差，符号定时和帧定时。

56. 发明授权

US08948316B2 Upstream frequency response measurement and characterization 有权
标题翻译：上行频率响应测量和表征
公开(公告)号：US08948316B2
公开(公告)日：2015-02-03
申请号：US13428309
申请日：2012-03-23
申请人： Bruce J. Currivan , Thomas J. Kolze , Jonathan S. Min , Victor T. Hou
发明人： Bruce J. Currivan , Thomas J. Kolze , Jonathan S. Min , Victor T. Hou
IPC分类号： H04L27/06 , H04J11/00 , H04L25/02 , H04L25/03
CPC分类号： H04L25/022 , H04L25/03 , H04L25/03006
摘要： Upstream frequency response measurement and characterization. Signaling is provided between respective communication devices within a communication system. Based upon at least one of these signals, one of the communication devices captures a number of sample sets corresponding thereto at different respective frequencies (e.g., a different respective center frequencies, frequency bands, etc.). Then, spectral analysis is performed with respect to each of the sample sets to generate a respective and corresponding channel response estimate there from. After this number of channel response estimates is determined, they are combined or splice together to generate a full channel response estimate. In implementations including an equalizer, different respective sample sets may correspond to those that have undergone equalization processing and those that have not.
摘要翻译：上行频率响应测量和表征。在通信系统内的各个通信设备之间提供信令。基于这些信号中的至少一个，通信设备之一以不同的相应频率（例如，不同的相应中心频率，频带等）捕获与其对应的多个采样集。然后，相对于每个样本集执行频谱分析，以从其中产生相应和相应的信道响应估计。在确定了这个数量的信道响应估计之后，将它们组合或拼接在一起以产生全信道响应估计。在包括均衡器的实现中，不同的相应样本集可以对应于已经经历均衡处理的那些样本集合，以及未经均衡处理的那些。

57. 发明授权

US08774332B2 Characterizing channel response based on composite gain determination 失效
标题翻译：基于复合增益确定来表征信道响应
公开(公告)号：US08774332B2
公开(公告)日：2014-07-08
申请号：US12340603
申请日：2008-12-19
申请人： Thomas J. Kolze , Bruce J. Currivan
发明人： Thomas J. Kolze , Bruce J. Currivan
IPC分类号： H04L1/00
CPC分类号： H04L25/061 , H04L25/022 , H04L25/0228 , H04L25/0236 , H04L25/03292 , H04L27/2647
摘要： Based on tracked amplitude modulation (e.g., which may be hum modulation), compensation for amplitude modulation is applied across all orthogonal signal components of a non-time based orthogonal coded signal. Some examples of such non-time based orthogonal coded signals include an orthogonal frequency division multiplexing (OFDM) signal, a synchronous code division multiple access (S-CDMA) signal, or a code division multiple access (CDMA) signal, etc. The compensation may be applied to the signal across multiple frames, on a frame by frame basis, or intra-frame (i.e., changing and compensating differently within a frame). This compensation for amplitude modulation may be applied in conjunction with adaptive equalization in which different filter taps are applied to each respective orthogonal signal component of the signal. Also, automatic gain control (AGC) may be performed (e.g., before digital sampling) of a received signal in conjunction with the amplitude modulation compensation.
摘要翻译：基于跟踪的幅度调制（例如，其可以是哼声调制），对于基于非时间的正交编码信号的所有正交信号分量施加幅度调制的补偿。这种非时间正交编码信号的一些示例包括正交频分复用（OFDM）信号，同步码分多址（S-CDMA）信号或码分多址（CDMA）信号等）。可以跨越多个帧，逐帧地应用于信号，或者帧内（即在一帧内不同地改变和补偿）。对幅度调制的这种补偿可以结合自适应均衡来应用，其中不同的滤波器抽头被应用于信号的每个相应的正交信号分量。此外，结合幅度调制补偿，可以对接收信号进行自动增益控制（AGC）（例如，在数字采样之前）。

58. 发明授权

US08724689B2 Narrowband ingress estimation and characterization using equalizer taps 有权
标题翻译：使用均衡器抽头的窄带入口估计和表征
公开(公告)号：US08724689B2
公开(公告)日：2014-05-13
申请号：US13406877
申请日：2012-02-28
申请人： Bruce J. Currivan , Thomas J. Kolze , Roger Fish , Victor T. Hou
发明人： Bruce J. Currivan , Thomas J. Kolze , Roger Fish , Victor T. Hou
IPC分类号： H04L27/01
CPC分类号： H04L25/03057 , H04L25/022
摘要： Narrowband ingress estimation and characterization using equalizer taps. A equalizer including a feed forward equalizer (FFE) and a decision feedback equalizer (DFE) is implemented to process an input signal thereby generating an output signal. Analysis of the frequency response of the equalizer including the FFE and the DFE of the equalizer allows for the determination of whether or not narrowband ingress exists within the signal received by the equalizer. For example, analysis of the signal output from the equalizer provides for determination of the overall frequency response of the equalizer. In addition, analysis of the respective equalizer coefficients within one or both of the FFE and the DFE of the equalizer may be used to determine the overall frequency response of the equalizer. Narrowband ingress may be identified when the combination of the FFE (having a notch therein) and the DFE provides for an overall flat frequency response.
摘要翻译：使用均衡器抽头的窄带入口估计和表征。实现包括前馈均衡器（FFE）和判决反馈均衡器（DFE）的均衡器来处理输入信号从而产生输出信号。对包括均衡器的FFE和DFE的均衡器的频率响应的分析允许确定在均衡器接收到的信号内是否存在窄带入口。例如，从均衡器输出的信号的分析提供了均衡器的总频率响应的确定。此外，可以使用均衡器的FFE和DFE中的一个或两个内的相应均衡器系数的分析来确定均衡器的总体频率响应。当FFE（其中有凹口）和DFE的组合提供整体平坦的频率响应时，可以识别窄带入口。

59. 发明授权

US08571137B2 Distortion and aliasing reduction for digital to analog conversion 有权
公开(公告)号：US08571137B2
公开(公告)日：2013-10-29
申请号：US13223094
申请日：2011-08-31
申请人： Thomas J. Kolze , Bruce J. Currivan , Ramon A. Gomez , Kevin Lee Miller
发明人： Thomas J. Kolze , Bruce J. Currivan , Ramon A. Gomez , Kevin Lee Miller
IPC分类号： H04K1/02 , H04L25/03 , H04L25/49
CPC分类号： H04B1/10 , H03M1/0614 , H03M1/68
摘要： Distortion and aliasing reduction for digital to analog conversion. Synthesis of one or more distortion terms made based on a digital signal (e.g., one or more digital codewords) is performed in accordance with digital to analog conversion. The one or more distortion terms may correspond to aliased higher-order harmonics, distortion, nonlinearities, clipping, etc. Such distortion terms may be known a priori, such as based upon particular characteristics of a given device, operational history, etc. Alternatively, such distortion terms may be determined based upon operation of a device and/or based upon an analog signal generated from the analog to conversion process. For example, frequency selective measurements made based on an analog signal generated from the digital to analog conversion may be used for determination of and/or adaptation of the one or more distortion terms. One or more DACs may be employed within various architectures operative to perform digital to analog conversion.

60. 发明授权

US08411769B2 Cancellation of burst noise in a communication system with application to S-CDMA 有权
标题翻译：在应用于S-CDMA的通信系统中消除突发噪声
公开(公告)号：US08411769B2
公开(公告)日：2013-04-02
申请号：US12651945
申请日：2010-01-04
申请人： Bruce J. Currivan , Nabil R. Yousef , Thomas J. Kolze , Gottfried Ungerboeck
发明人： Bruce J. Currivan , Nabil R. Yousef , Thomas J. Kolze , Gottfried Ungerboeck
IPC分类号： H04L27/28 , H04B1/10
CPC分类号： H04B7/216 , H04B1/71 , H04B1/7107 , H04J13/0003 , H04J13/16 , H04L25/03038 , H04L25/03343 , H04L25/49 , H04L27/3405 , H04L2025/03375 , H04L2025/03477
摘要： A communication system performs burst noise cancellation. A transmitter produces and transmits a spread signal that comprises at least one known-value symbol spread by a plurality of non data-carrying orthogonal codes and data symbols spread by at least one data-carrying orthogonal code. The transmitter transmits the spread signal across a communication link that introduces burst noise. A burst noise detector determines burst noise affected chips of the orthogonal codes. A weight computation functional block calculates a plurality of complex-valued combining weights based upon the burst noise affected chips. A vector de-spreader and a linear combiner operate in combination to use the plurality of non data-carrying orthogonal codes, the at least one data-carrying orthogonal code, and the plurality of complex-valued combining weights to de-spread the received spread signal to produce the data symbols with the burst noise substantially removed.
摘要翻译：通信系统执行突发噪声消除。发射机产生并发射扩展信号，该扩展信号包括由多个非数据携带正交码扩展的至少一个已知值符号和由至少一个携带数据的正交码扩展的数据符号。发射机通过引入突发噪声的通信链路发送扩展信号。突发噪声检测器确定正交码的突发噪声影响码片。权重计算功能块基于突发噪声影响的码片计算多个复值组合权重。向量解扩器和线性组合器组合操作以使用多个非数据携带正交码，所述至少一个数据携带正交码和多个复值组合权重来对接收到的扩展进行解扩展信号以产生具有基本去除的突发噪声的数据符号。

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