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1. 发明授权

US07636400B2 Decoding system and method for digital communications 有权
公开(公告)号：US07636400B2
公开(公告)日：2009-12-22
申请号：US11621940
申请日：2007-01-10
申请人： John S. Thomson , Paul J. Husted , Ardavan Maleki Tehrani , Jeffrey M. Gilbert , William J. McFarland , Lars E. Thon , Yi-Hsiu Wang
发明人： John S. Thomson , Paul J. Husted , Ardavan Maleki Tehrani , Jeffrey M. Gilbert , William J. McFarland , Lars E. Thon , Yi-Hsiu Wang
IPC分类号： H04K1/10 , H04L27/28
CPC分类号： H04L25/067 , H03M13/25 , H03M13/3961 , H03M13/41 , H03M13/6325 , H03M13/6362 , H04K3/228 , H04L1/005 , H04L1/0054 , H04L27/38
摘要： A Viterbi decoding system interprets bits in received QAM constellations as many-valued parameters rather than binary valued parameters. It performs the Viterbi algorithm using these many-valued parameters to provide results superior to hard decision decoding. Rather than applying a hard 0-1 function to the QAM data, the system uses a non-stepped linear or curved transfer function to assign values to the bits. In another aspect, a system differentiates between data bits based on their estimated reliability, giving more emphasis to decoding reliable bits than unreliable bits using any of a variety of techniques. By differentiating between god and bad bits and de-emphasizing or ignoring unreliable bits, the system can provide a significant reduction in uncorrectable errors and packet loss.

2. 发明授权

US07924932B2 Decoding system and method for digital communications 有权
标题翻译：数字通信解码系统和方法
公开(公告)号：US07924932B2
公开(公告)日：2011-04-12
申请号：US12615024
申请日：2009-11-09
申请人： John S. Thomson , Paul J. Husted , Ardavan Maleki Tehrani , Jeffrey M. Gilbert , William J. McFarland , Lars E. Thon , Yi-Hsiu Wang
发明人： John S. Thomson , Paul J. Husted , Ardavan Maleki Tehrani , Jeffrey M. Gilbert , William J. McFarland , Lars E. Thon , Yi-Hsiu Wang
IPC分类号： H04K1/10 , H04L27/28
CPC分类号： H04L25/067 , H03M13/25 , H03M13/3961 , H03M13/41 , H03M13/6325 , H03M13/6362 , H04K3/228 , H04L1/005 , H04L1/0054 , H04L27/38
摘要： A Viterbi decoding system interprets bits in received QAM constellations as many-valued parameters rather than binary valued parameters. It performs the Viterbi algorithm using these many-valued parameters to provide results superior to hard decision decoding. Rather than applying a hard 0-1 function to the QAM data, the system uses a non-stepped linear or curved transfer function to assign values to the bits. In another aspect, a system differentiates between data bits based on their estimated reliability, giving more emphasis to decoding reliable bits than unreliable bits using any of a variety of techniques. By differentiating between good and bad bits and de-emphasizing or ignoring unreliable bits, the system can provide a significant reduction in uncorrectable errors and packet loss.
摘要翻译：维特比解码系统将接收的QAM星座中的比特解释为多值参数，而不是二进制值参数。它使用这些多值参数来执行维特比算法，以提供优于硬判决解码的结果。系统使用非阶梯线性或弯曲传递函数来向位指定值，而不是将硬0-1函数应用于QAM数据。在另一方面，一种系统基于其估计的可靠性来区分数据比特，更多地强调使用各种技术中的任何一种来解码可靠比特比不可靠比特。通过区分好坏位和去强调或忽略不可靠位，系统可以显着减少不可纠正的错误和数据包丢失。

3. 发明申请

US20100098183A1 Decoding System And Method For Digital Communications 有权
标题翻译：数字通信解码系统和方法
公开(公告)号：US20100098183A1
公开(公告)日：2010-04-22
申请号：US12615024
申请日：2009-11-09
申请人： John S. Thomson , Paul J. Husted , Ardavan M. Tehrani , Jeffrey M. Gilbert , William J. McFarland , Lars E. Thon , Yi-Hsiu Wang
发明人： John S. Thomson , Paul J. Husted , Ardavan M. Tehrani , Jeffrey M. Gilbert , William J. McFarland , Lars E. Thon , Yi-Hsiu Wang
IPC分类号： H04L5/12
CPC分类号： H04L25/067 , H03M13/25 , H03M13/3961 , H03M13/41 , H03M13/6325 , H03M13/6362 , H04K3/228 , H04L1/005 , H04L1/0054 , H04L27/38
摘要： A Viterbi decoding system interprets bits in received QAM constellations as many-valued parameters rather than binary valued parameters. It performs the Viterbi algorithm using these many-valued parameters to provide results superior to hard decision decoding. Rather than applying a hard 0-1 function to the QAM data, the system uses a non-stepped linear or curved transfer function to assign values to the bits. In another aspect, a system differentiates between data bits based on their estimated reliability, giving more emphasis to decoding reliable bits than unreliable bits using any of a variety of techniques. By differentiating between god and bad bits and de-emphasizing or ignoring unreliable bits, the system can provide a significant reduction in uncorrectable errors and packet loss.
摘要翻译：维特比解码系统将接收的QAM星座中的比特解释为多值参数，而不是二进制值参数。它使用这些多值参数来执行维特比算法，以提供优于硬判决解码的结果。系统使用非阶梯线性或弯曲传递函数来向位指定值，而不是将硬0-1函数应用于QAM数据。在另一方面，一种系统基于其估计的可靠性来区分数据比特，更多地强调使用各种技术中的任何一种来解码可靠比特比不可靠比特。通过区分神和坏位，并且不强调或忽略不可靠比特，系统可以显着减少不可校正的错误和分组丢失。

4. 发明授权

US07173972B2 Decoding system and method for digital communications 有权
标题翻译：数字通信解码系统和方法
公开(公告)号：US07173972B2
公开(公告)日：2007-02-06
申请号：US09816810
申请日：2001-03-23
申请人： John S. Thomson , Paul J. Hustad , Ardavan M. Tehrani , Jeffrey M. Gilbert , William J. McFarland , Lars E. Thon , Yi-Hsiu Wang
发明人： John S. Thomson , Paul J. Hustad , Ardavan M. Tehrani , Jeffrey M. Gilbert , William J. McFarland , Lars E. Thon , Yi-Hsiu Wang
IPC分类号： H04K1/10 , H04L27/28
CPC分类号： H04L25/067 , H03M13/25 , H03M13/3961 , H03M13/41 , H03M13/6325 , H03M13/6362 , H04K3/228 , H04L1/005 , H04L1/0054 , H04L27/38
摘要： A Viterbi decoding system interprets bits in received QAM constellations as many-valued parameters rather than binary valued parameters. It performs the Viterbi algorithm using these many-valued parameters to provide results superior to hard decision decoding. Rather than applying a hard 0-1 function to the QAM data, the system uses a non-stepped linear or curved transfer function to assign values to the bits. In another aspect, a system differentiates between data bits based on their estimated reliability, giving more emphasis to decoding reliable bits than unreliable bits using any of a variety of techniques. By differentiating between god and bad bits and de-emphasizing or ignoring unreliable bits, the system can provide a significant reduction in uncorrectable errors and packet loss.
摘要翻译：维特比解码系统将接收的QAM星座中的比特解释为多值参数，而不是二进制值参数。它使用这些多值参数来执行维特比算法，以提供优于硬判决解码的结果。系统使用非阶梯线性或弯曲传递函数来向位指定值，而不是将硬0-1函数应用于QAM数据。在另一方面，一种系统基于其估计的可靠性来区分数据比特，更多地强调使用各种技术中的任何一种来解码可靠比特比不可靠比特。通过区分神和坏位，并且不强调或忽略不可靠比特，系统可以显着减少不可校正的错误和分组丢失。

5. 发明授权

US06677779B1 Flexible control interface for integrated circuit 有权
标题翻译：灵活的集成电路控制接口
公开(公告)号：US06677779B1
公开(公告)日：2004-01-13
申请号：US10113806
申请日：2002-03-28
申请人： David Kuochieh Su , Masoud Zargari , Lars E. Thon , William J. McFarland
发明人： David Kuochieh Su , Masoud Zargari , Lars E. Thon , William J. McFarland
IPC分类号： H03K19177
CPC分类号： G06F1/22 , G01R31/3167
摘要： A control interface, which includes both master and slave devices, can provide buffering of input data packets, thereby allowing configurations of the integrated circuit to be modified quickly and efficiently. Additionally, the control interface can be sized and configured to receive digital signals from any number of nodes on an integrated circuit, thereby facilitating the testing, lab characterization, and debugging of those nodes. Finally, the control interface can advatageously control the monitoring of analog components on the integrated circuit, thereby significantly reducing the number of pins for such monitoring. The control interface has particular relevance to highly integrated circuits that utilize analog and/or mixed signals.
摘要翻译：包括主设备和从设备的控制接口可以提供输入数据分组的缓冲，从而允许快速且有效地修改集成电路的配置。此外，控制接口的大小和配置可以从集成电路上的任意数量的节点接收数字信号，从而便于这些节点的测试，实验室特征化和调试。最后，控制接口可以对集成电路上的模拟组件进行监控，从而显着减少用于此类监视的引脚数量。控制接口与使用模拟和/或混合信号的高度集成电路特别相关。

6. 发明授权

US06785523B2 Self-correlation detection in automatic gain calibration 有权
标题翻译：自相关检测自动增益校准
公开(公告)号：US06785523B2
公开(公告)日：2004-08-31
申请号：US09849595
申请日：2001-05-04
申请人： Paul Husted , Lars E. Thon , William McFarland , Tao Fei Samuel Ng
发明人： Paul Husted , Lars E. Thon , William McFarland , Tao Fei Samuel Ng
IPC分类号： H04B110
CPC分类号： H04B1/109 , H03G5/165 , H04B1/1036
摘要： An embodiment of the present invention provides an automatic gain control system for a wireless receiver that quickly differentiates desired in-band signals from high power out-of-band signals that overlap into the target band. The system measures power before and after passing a received signal through a pair of finite impulse response filters that largely restrict the signal's power to that which is in-band. By comparing the in-band energy of the received signal after filtering to the total signal energy prior to filtering, it is possible to determine whether a new in-band signal has arrived. The presence of this new in-band signal is then verified by a multi-threshold comparison of the normalized self-correlation to verify the presence of a new, desired in-band signal.
摘要翻译：本发明的实施例提供了一种用于无线接收机的自动增益控制系统，其快速地将期望的带内信号与重叠到目标频带中的高功率带外信号区分开来。该系统通过一对有限的脉冲响应滤波器测量接收信号之前和之后的功率，这些有限脉冲响应滤波器将信号功率大大限制在带内。通过将滤波后的接收信号的带内能量与滤波前的总信号能量进行比较，可以确定是否已经到达了新的带内信号。然后通过归一化自相关的多阈值比较来验证这个新的带内信号的存在，以验证新的期望的带内信号的存在。

7. 发明授权

US06721547B2 In-band and out-of-band signal detection for automatic gain calibration systems 有权
标题翻译：自动增益校准系统的带内和带外信号检测
公开(公告)号：US06721547B2
公开(公告)日：2004-04-13
申请号：US09849442
申请日：2001-05-04
申请人： Paul Husted , Lars E. Thon , William McFarland , Tao Fei Samuel Ng
发明人： Paul Husted , Lars E. Thon , William McFarland , Tao Fei Samuel Ng
IPC分类号： H04B1700
CPC分类号： H04B1/109 , H03G5/165 , H04B1/1036
摘要： An embodiment of the present invention provides an automatic gain control system for a wireless receiver that quickly differentiates desired in-band signals from high power out-of-band signals that overlap into the target band. The system measures power before and after passing a received signal through a pair of finite impulse response filters that largely restrict the signal's power to that which is in-band. By comparing the in-band energy of the received signal after filtering to the total signal energy prior to filtering, it is possible to determine whether a new in-band signal has arrived. The presence of this new in-band signal is then verified by a multi-threshold comparison of the normalized self-correlation to verify the presence of a new, desired in-band signal.
摘要翻译：本发明的实施例提供了一种用于无线接收机的自动增益控制系统，其快速地将期望的带内信号与重叠到目标频带中的高功率带外信号区分开来。该系统通过一对有限的脉冲响应滤波器测量接收信号之前和之后的功率，这些有限脉冲响应滤波器将信号功率大大限制在带内。通过将滤波后的接收信号的带内能量与滤波前的总信号能量进行比较，可以确定是否已经到达了新的带内信号。然后通过归一化自相关的多阈值比较来验证这个新的带内信号的存在，以验证新的期望的带内信号的存在。

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