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公开(公告)号：US07483505B2
公开(公告)日：2009-01-27
申请号：US10691032
申请日：2003-10-22
IPC分类号： H04B1/10
CPC分类号： H04B7/18515
摘要： A method and apparatus for equalizing digital data signals is disclosed. The method comprises the steps of demodulating and decoding an input signal having input data to produce a data output, remodulating the data output to produce a pseudo-training sequence including an idealized input signal, and generating equalizer parameters from the pseudo-training sequence. The apparatus comprises a demodulator for demodulating an input signal to produce a data output, a modulator, communicatively coupled to the demodulator, for remodulating the data output to produce a pseudo-training sequence including an idealized input signal, and a parameter generation module, communicatively coupled to the modulator for generating equalizer parameters from the pseudo-training sequence.
摘要翻译： 公开了一种用于均衡数字数据信号的方法和装置。 该方法包括以下步骤：解调和解码具有输入数据的输入信号以产生数据输出，重新调制数据输出以产生包括理想化输入信号的伪训练序列，以及从伪训练序列生成均衡器参数。 该装置包括用于解调输入信号以产生数据输出的解调器，通信地耦合到解调器的调制器，用于重新调制数据输出以产生包括理想化输入信号的伪训练序列和参数生成模块，通信地 耦合到用于从伪训练序列产生均衡器参数的调制器。
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公开(公告)号：US20090097589A1
公开(公告)日：2009-04-16
申请号：US12329456
申请日：2008-12-05
IPC分类号： H04L27/00
CPC分类号： H04L27/3488 , H04B7/18515 , H04B17/318 , H04L1/20 , H04L27/183 , H04L27/227 , H04L27/366 , H04L2027/0061
摘要： A method and apparatus for transmitting and receiving a coded signal having an upper layer signal and a lower layer signal is disclosed. The method comprises the steps of combining the upper layer signal and the lower layer signal, encoding the combined upper layer signal and lower layer signal, delaying the upper layer signal, modulating the delayed upper layer signal, modulating the lower layer signal, transmitting the delayed upper layer signal and transmitting the lower layer signal. The apparatus comprises an encoder, for encoding a combined upper layer signal and lower layer signal, a delay, communicatively coupled to the encoder, for delaying the upper layer signal, a first modulator, for modulating the delayed upper layer signal, a second modulator, for modulating the lower layer signal, a transmitter, communicatively coupled to the first modulator, for transmitting the delayed upper layer signal, and a second transmitter, communicatively coupled to the second modulator.
摘要翻译： 公开了一种用于发送和接收具有上层信号和下层信号的编码信号的方法和装置。 该方法包括以下步骤：组合上层信号和下层信号，编码组合上层信号和下层信号，延迟上层信号，调制延迟的上层信号，调制下层信号，发送延迟的 上层信号并传输下层信号。 该装置包括用于编码组合的上层信号和下层信号的编码器，通信地耦合到编码器的用于延迟上层信号的延迟，用于调制延迟的上层信号的第一调制器，第二调制器， 用于调制下层信号的发射机，通信地耦合到第一调制器，用于发送延迟的上层信号;以及第二发射机，通信地耦合到第二调制器。
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公开(公告)号：US07706466B2
公开(公告)日：2010-04-27
申请号：US12329456
申请日：2008-12-05
IPC分类号： H04L27/00
CPC分类号： H04L27/3488 , H04B7/18515 , H04B17/318 , H04L1/20 , H04L27/183 , H04L27/227 , H04L27/366 , H04L2027/0061
摘要： A method and apparatus for transmitting and receiving a coded signal having an upper layer signal and a lower layer signal is disclosed. The method comprises the steps of combining the upper layer signal and the lower layer signal, encoding the combined upper layer signal and lower layer signal, delaying the upper layer signal, modulating the delayed upper layer signal, modulating the lower layer signal, transmitting the delayed upper layer signal and transmitting the lower layer signal. The apparatus comprises an encoder, for encoding a combined upper layer signal and lower layer signal, a delay, communicatively coupled to the encoder, for delaying the upper layer signal, a first modulator, for modulating the delayed upper layer signal, a second modulator, for modulating the lower layer signal, a transmitter, communicatively coupled to the first modulator, for transmitting the delayed upper layer signal, and a second transmitter, communicatively coupled to the second modulator.
摘要翻译： 公开了一种用于发送和接收具有上层信号和下层信号的编码信号的方法和装置。 该方法包括以下步骤：组合上层信号和下层信号，编码组合上层信号和下层信号，延迟上层信号，调制延迟的上层信号，调制下层信号，发送延迟的 上层信号并传输下层信号。 该装置包括用于编码组合的上层信号和下层信号的编码器，通信地耦合到编码器的用于延迟上层信号的延迟，用于调制延迟的上层信号的第一调制器，第二调制器， 用于调制下层信号的发射机，通信地耦合到第一调制器，用于发送延迟的上层信号;以及第二发射机，通信地耦合到第二调制器。
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公开(公告)号：US07512189B2
公开(公告)日：2009-03-31
申请号：US10532632
申请日：2003-10-10
IPC分类号： H04L27/00
CPC分类号： H04L27/3488 , H04B7/18515 , H04B17/318 , H04L1/20 , H04L27/183 , H04L27/227 , H04L27/366 , H04L2027/0061
摘要： A method and apparatus for transmitting and receiving a coded signal having an upper layer signal and a lower layer signal is disclosed. The method comprises the steps of combining the upper layer signal and the lower layer signal, encoding the combined upper layer signal and lower layer signal, delaying the upper layer signal, modulating the delayed upper layer signal, modulating the lower layer signal, transmitting the delayed upper layer signal and transmitting the lower layer signal. The apparatus comprises an encoder, for encoding a combined upper layer signal and lower layer signal, a delay, communicatively coupled to the encoder, for delaying the upper layer signal, a first modulator, for modulating the delayed upper layer signal, a second modulator, for modulating the lower layer signal, a transmitter, communicatively coupled to the first modulator, for transmitting the delayed upper layer signal, and a second transmitter, communicatively coupled to the second modulator.
摘要翻译： 公开了一种用于发送和接收具有上层信号和下层信号的编码信号的方法和装置。 该方法包括以下步骤：组合上层信号和下层信号，编码组合上层信号和下层信号，延迟上层信号，调制延迟的上层信号，调制下层信号，发送延迟的 上层信号并传输下层信号。 该装置包括用于编码组合的上层信号和下层信号的编码器，通信地耦合到编码器的用于延迟上层信号的延迟，用于调制延迟的上层信号的第一调制器，第二调制器， 用于调制下层信号的发射机，通信地耦合到第一调制器，用于发送延迟的上层信号;以及第二发射机，通信地耦合到第二调制器。
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公开(公告)号：US07403574B2
公开(公告)日：2008-07-22
申请号：US10568384
申请日：2004-08-27
申请人： Ernest C. Chen , Dennis Lai , Tung-Sheng Lin , William C. Lindsey , Shamik Maitra , Joseph Santoru , Guangcai Zhou
发明人： Ernest C. Chen , Dennis Lai , Tung-Sheng Lin , William C. Lindsey , Shamik Maitra , Joseph Santoru , Guangcai Zhou
IPC分类号： H03C3/00
CPC分类号： H04L25/03866 , H04B7/18523 , H04L27/36 , H04N21/23895 , H04N21/4382 , H04N21/43853 , H04N21/6143 , H04N21/6193
摘要： A simplified scrambling scheme that unifies all signals of a satellite broadcasting system, including frame header (404), frame body (402) and pilot symbols (408) with a common reference phase. This results in the simplification and increased flexibility of the receiver front-end design without affecting the overall system performance. In many current communications systems with frame headers and pilot symbols, the phases of frame headers and pilot syrnbols are not designed to be aligned with any constellation points of the modulated data from the frame body. This scrambling scheme takes into account possible impact due to irregular phase changes between frame headers/pilot symbols and modulated data.
摘要翻译： 一种简化的加扰方案，其将具有公共参考相位的卫星广播系统的所有信号（包括帧头部（404）），帧体（402）和导频符号（408）统一起来。 这导致了接收机前端设计的简化和增加的灵活性，而不会影响整个系统的性能。 在具有帧头和导频符号的许多当前通信系统中，帧头和导频符号的相位不被设计为与来自帧体的调制数据的任何星座点对准。 该加扰方案考虑到由帧头/导频符号和调制数据之间的不规则相位变化引起的可能的影响。
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公开(公告)号：US07184473B2
公开(公告)日：2007-02-27
申请号：US10691133
申请日：2003-10-22
IPC分类号： H03H7/30
CPC分类号： H04L25/0305 , H04B7/18515 , H04L2025/03477
摘要： A method and apparatus for equalizing digital data signals is disclosed. The method comprises the steps of demodulating and decoding an input signal having input data to produce a data output, remodulating the data output to produce a training sequence including an idealized input signal, wherein the training sequence is comprised of adjacent symbols in the input data, and generating equalizer parameters from the training sequence. The apparatus comprises a demodulator (for demodulating an input signal to produce a data output), a modulator communicatively coupled to the demodulator (for remodulating the data output to produce a training sequence including an idealized input signal wherein the training sequence is comprised of adjacent symbols in the input data), and a parameter generation module communicatively coupled to the modulator (for generating equalizer parameters from the training sequence).
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公开(公告)号：US07583728B2
公开(公告)日：2009-09-01
申请号：US11656662
申请日：2007-01-22
IPC分类号： H03H7/30
CPC分类号： H04L27/3488 , H04L25/03019 , H04L2025/03401 , H04L2025/0342 , H04L2025/0349
摘要： A method and apparatus for equalizing digital data signals is disclosed. The method comprises the steps of demodulating and decoding an input signal having input data to produce a data output, remodulating the data output to produce a training sequence including an idealized input signal, wherein the training sequence is comprised of adjacent symbols in the input data, and generating equalizer parameters from the training sequence. The apparatus comprises a demodulator (for demodulating an input signal to produce a data output), a modulator communicatively coupled to the demodulator (for remodulating the data output to produce a training sequence including an idealized input signal wherein the training sequence is comprised of adjacent symbols in the input data), and a parameter generation module communicatively coupled to the modulator (for generating equalizer parameters from the training sequence).
摘要翻译： 公开了一种均衡数字数据信号的方法和装置。 该方法包括以下步骤：解调和解码具有输入数据的输入信号以产生数据输出，重新调制数据输出以产生包括理想化输入信号的训练序列，其中训练序列由输入数据中的相邻符号组成， 并从训练序列生成均衡器参数。 该装置包括解调器（用于解调输入信号以产生数据输出），通信地耦合到解调器的调制器（用于重新调制数据输出以产生包括理想化输入信号的训练序列，其中训练序列由相邻符号组成 在输入数据中）以及通信地耦合到调制器的参数生成模块（用于从训练序列生成均衡器参数）。
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公开(公告)号：US08208526B2
公开(公告)日：2012-06-26
申请号：US12404253
申请日：2009-03-13
IPC分类号： H03H7/30
CPC分类号： H04L27/3488 , H04L25/03019 , H04L2025/03401 , H04L2025/0342 , H04L2025/0349
摘要： A method and apparatus for equalizing digital data signals is disclosed. The method comprises the steps of demodulating and decoding an input signal having input data to produce a data output, remodulating the data output to produce a training sequence including an idealized input signal, wherein the training sequence is comprised of adjacent symbols in the input data, and generating equalizer parameters from the training sequence. The apparatus comprises a demodulator (for demodulating an input signal to produce a data output), a modulator communicatively coupled to the demodulator (for remodulating the data output to produce a training sequence including an idealized input signal wherein the training sequence is comprised of adjacent symbols in the input data), and a parameter generation module communicatively coupled to the modulator (for generating equalizer parameters from the training sequence).
摘要翻译： 公开了一种用于均衡数字数据信号的方法和装置。 该方法包括以下步骤：解调和解码具有输入数据的输入信号以产生数据输出，重新调制数据输出以产生包括理想化输入信号的训练序列，其中训练序列由输入数据中的相邻符号组成， 并从训练序列生成均衡器参数。 该装置包括解调器（用于解调输入信号以产生数据输出），通信地耦合到解调器的调制器（用于重新调制数据输出以产生包括理想化输入信号的训练序列，其中训练序列由相邻符号组成 在输入数据中）以及通信地耦合到调制器的参数生成模块（用于从训练序列生成均衡器参数）。
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公开(公告)号：US07184489B2
公开(公告)日：2007-02-27
申请号：US10693140
申请日：2003-10-24
申请人： Weizheng Wang , Guangcai Zhou , Tung-Sheng Lin , Ernest C. Chen , Joseph Santoru , William C. Lindsey
发明人： Weizheng Wang , Guangcai Zhou , Tung-Sheng Lin , Ernest C. Chen , Joseph Santoru , William C. Lindsey
IPC分类号： H04L27/04
CPC分类号： H04L1/20 , H04L1/208 , H04L27/183 , H04W52/42
摘要： A method and apparatus for optimizing a system for transmitting a layered modulated signal is disclosed. The method comprises the steps of defining the system in terms of a set of system parameters, including an optimal power separation S between a power of a first modulation layer and a power of a second modulation layer and a required system carrier-to-noise ratio (CNRS), determining an optimal power separation S to minimize the error rate of a lower layer modulated signal BERL, and selecting the remaining system parameters in the set of system parameters using the determined optimal power separation S.
摘要翻译： 公开了一种用于优化用于发送分层调制信号的系统的方法和装置。 该方法包括以下步骤：根据一组系统参数定义系统，包括第一调制层的功率和第二调制层的功率之间的最佳功率分离S和所需的系统载波比 （CNR S S），确定最佳功率分离S以最小化下层调制信号BERLL的错误率，并且选择系统中的剩余系统参数 参数使用确定的最佳功率分离S.
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公开(公告)号：US07469019B2
公开(公告)日：2008-12-23
申请号：US11655001
申请日：2007-01-18
申请人： Weizheng Wang , Guangcai Zhou , Tung-Sheng Lin , Ernest C. Chen , Joseph Santoru , William C. Lindsey
发明人： Weizheng Wang , Guangcai Zhou , Tung-Sheng Lin , Ernest C. Chen , Joseph Santoru , William C. Lindsey
IPC分类号： H04L27/04
CPC分类号： H04L1/20 , H04L1/208 , H04L27/183 , H04W52/42
摘要： A method and apparatus for optimizing a system for transmitting a layered modulated signal is disclosed. The method comprises the steps of defining the system in terms of a set of system parameters, including an optimal power separation S between a power of a first modulation layer and a power of a second modulation layer and a required system carrier-to-noise ratio (CNRS), determining an optimal power separation S to minimize the error rate of a lower layer modulated signal BERL, and selecting the remaining system parameters in the set of system parameters using the determined optimal power separation S.
摘要翻译： 公开了一种用于优化用于发送分层调制信号的系统的方法和装置。 该方法包括以下步骤：根据一组系统参数定义系统，包括第一调制层的功率和第二调制层的功率之间的最佳功率分离S和所需的系统载波比 （CNRS），确定最佳功率分离S以最小化较低层调制信号BERL的误码率，以及使用确定的最佳功率分离S选择该组系统参数中的剩余系统参数。
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