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1. 发明授权

US07961880B2 Methods and apparatuses for determining scrambling codes for signal transmission 有权
标题翻译：用于确定信号传输的扰码的方法和装置
公开(公告)号：US07961880B2
公开(公告)日：2011-06-14
申请号：US11510244
申请日：2006-08-25
申请人： Judith Wang , Guangcai Zhou , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Tung-Sheng Lin
发明人： Judith Wang , Guangcai Zhou , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Tung-Sheng Lin
IPC分类号： H04N7/167 , H04B1/00 , H03D1/04
CPC分类号： H04K1/00 , H04B2201/709709 , H04J13/0029 , H04J13/10 , H04L1/0057 , H04L1/0072 , H04L25/03866 , H04N7/1675 , H04N21/6112 , H04N21/6143
摘要： Methods and apparatuses for determining scrambling codes for minimizing co-channel interference in a communication system. A method in accordance with the present invention comprises defining at least one initial default sequence, generating a scrambling code, scrambling a signal using the generated scrambling code, comparing the scrambled signal with all other scrambled signals meeting a specified criterion, and saving the scrambling code word if the comparison determines that the signal scrambled with the scrambling code also meets the specified criterion. The scrambling codes can be compared with each other for cross-correlation purposes to determine whether they meet the specified criterion based on laboratory testing.
摘要翻译：用于确定用于使通信系统中的同信道干扰最小化的扰码的方法和装置。根据本发明的方法包括定义至少一个初始默认序列，产生扰码，使用所生成的扰码对信号进行加扰，将加扰信号与满足指定标准的所有其他加扰信号进行比较，并且保存扰码如果比较确定用扰码加扰的信号也满足指定的标准。可以将扰码相互比较以进行互相关，以确定它们是否符合基于实验室测试的指定标准。

2. 发明申请

US20090224824A1 OPTIMIZED UPLINK EFFICIENCIES FOR TRANSMISSION OF SATELLITE DATA 有权
标题翻译：优化传输卫星数据的上网效率
公开(公告)号：US20090224824A1
公开(公告)日：2009-09-10
申请号：US12421485
申请日：2009-04-09
申请人： Guangcai Zhou , Tung-Sheng Lin , Dennis Lai , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Cecilia Comeaux
发明人： Guangcai Zhou , Tung-Sheng Lin , Dennis Lai , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Cecilia Comeaux
IPC分类号： G01R19/00
CPC分类号： H04B17/0085 , H03F1/32 , H04B17/15
摘要： Systems and methods for characterizing amplifiers. A system for characterizing an amplifier in accordance with the present invention comprises a Gaussian signal source for generating a signal in the frequency domain, a notch filter, coupled to the Gaussian Noise source, wherein the notch filter has a notch at a specified frequency and a frequency bandwidth, the frequency bandwidth encompassing the specified frequency, an Inverse Fast Fourier Transform device, coupled to an output of the notch filter, a normalization device, coupled to the Inverse Fast Fourier Transform device, an amplifier under test, coupled to the normalization device, for amplifying the signal generated by the Gaussian signal source, and a measurement device, coupled to an output of the amplifier, for measuring a power output of the amplifier in the frequency bandwidth and a noise output at the specified notch frequency, and for calculating the ratio between the power output and the noise output.
摘要翻译：表征放大器的系统和方法。用于表征根据本发明的放大器的系统包括用于产生频域中的信号的高斯信号源，耦合到高斯噪声源的陷波滤波器，其中陷波滤波器具有指定频率的陷波和频率带宽，包含指定频率的频率带宽，耦合到陷波滤波器的输出的反相快速傅立叶变换装置，耦合到快速傅立叶逆变换装置的归一化装置，被测放大器，耦合到归一化装置，用于放大由高斯信号源产生的信号，以及耦合到放大器的输出的测量装置，用于测量放大器在频率带宽中的功率输出和在指定陷波频率下的噪声输出，并用于计算功率输出与噪声输出之间的比例。

3. 发明申请

US20080129374A1 OPTIMIZED UPLINK EFFICIENCIES FOR TRANSMISSION OF SATELLITE DATA 有权
标题翻译：优化传输卫星数据的上网效率
公开(公告)号：US20080129374A1
公开(公告)日：2008-06-05
申请号：US11870955
申请日：2007-10-11
申请人： Guangcai Zhou , Tung-Sheng Lin , Dennis Lai , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Cecilia Comeaux
发明人： Guangcai Zhou , Tung-Sheng Lin , Dennis Lai , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Cecilia Comeaux
IPC分类号： G01R19/00
CPC分类号： H04B17/0085 , H03F1/32 , H04B17/15
摘要： Systems and methods for characterizing amplifiers. A system for characterizing an amplifier in accordance with the present invention comprises a Gaussian signal source for generating a signal in the frequency domain, a notch filter, coupled to the Gaussian Noise source, wherein the notch filter has a notch at a specified frequency and a frequency bandwidth, the frequency bandwidth encompassing the specified frequency, an Inverse Fast Fourier Transform device, coupled to an output of the notch filter, a normalization device, coupled to the Inverse Fast Fourier Transform device, an amplifier under test, coupled to the normalization device, for amplifying the signal generated by the Gaussian signal source, and a measurement device, coupled to an output of the amplifier, for measuring a power output of the amplifier in the frequency bandwidth and a noise output at the specified notch frequency, and for calculating the ratio between the power output and the noise output.
摘要翻译：表征放大器的系统和方法。用于表征根据本发明的放大器的系统包括用于产生频域中的信号的高斯信号源，耦合到高斯噪声源的陷波滤波器，其中陷波滤波器具有指定频率的陷波和频率带宽，包含指定频率的频率带宽，耦合到陷波滤波器的输出的反相快速傅立叶变换装置，耦合到快速傅立叶逆变换装置的归一化装置，被测放大器，耦合到归一化装置，用于放大由高斯信号源产生的信号，以及耦合到放大器的输出的测量装置，用于测量放大器在频率带宽中的功率输出和在指定陷波频率下的噪声输出，并用于计算功率输出与噪声输出之间的比例。

4. 发明授权

US07715786B2 Blind identification of advanced modulation and coding modes 有权
标题翻译：盲目识别先进的调制和编码模式
公开(公告)号：US07715786B2
公开(公告)日：2010-05-11
申请号：US11672461
申请日：2007-02-07
申请人： Joseph Santoru , Guangcai Zhou , Ernest C. Chen , Dennis Lai , Shamik Maitra
发明人： Joseph Santoru , Guangcai Zhou , Ernest C. Chen , Dennis Lai , Shamik Maitra
IPC分类号： H04Q7/32
CPC分类号： H04L25/03866 , H04L1/0046 , H04L1/0057 , H04L1/0072 , H04L7/04 , H04L27/0012 , H04N5/4401 , H04N7/20 , H04N21/2383 , H04N21/2389 , H04N21/434 , H04N21/4382 , H04N21/4385 , H04N21/6143
摘要： Methods and apparatuses for acquiring and demodulating a data stream transmitted in a communication system. A method in accordance with the present invention comprises finding a boundary of a physical layer frame (PLFrame) in the data stream, finding a first 26 bits of a Unique Word (UW) associated with the data stream, finding a scrambling code utilizing the UW, and using a decoding procedure to determine a modulation type and code rate used for desired signals within the data stream.
摘要翻译：用于获取和解调在通信系统中发送的数据流的方法和装置。根据本发明的方法包括找到数据流中的物理层帧（PLFrame）的边界，找到与数据流相关联的唯一字（UW）的前26位，利用UW 并且使用解码过程来确定用于数据流内的期望信号的调制类型和码率。

5. 发明申请

US20090068953A1 METHODS AND APPARATUSES FOR MINIMIZING CO-CHANNEL INTERFERENCE 有权
标题翻译：用于最小化共通道干扰的方法和装置
公开(公告)号：US20090068953A1
公开(公告)日：2009-03-12
申请号：US12262078
申请日：2008-10-30
申请人： Lin-Nan Lee , Feng-Wen Sun , Adam Von Ancken , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Guangcai Zhou , Tung-Sheng Lin
发明人： Lin-Nan Lee , Feng-Wen Sun , Adam Von Ancken , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Guangcai Zhou , Tung-Sheng Lin
IPC分类号： H04B15/00
CPC分类号： H04N5/211 , H04B7/18513 , H04B7/1858 , H04N7/16 , H04N7/163 , H04N7/1675 , H04N7/17318 , H04N21/2347 , H04N21/4405 , H04N21/6143
摘要： Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises scrambling a first frame using a first scrambling code, attaching a first header to the first frame to create the first signal, scrambling a second frame using a second scrambling code, attaching a second header to the second frame to create the second signal, and transmitting the first signal and the second signal over different channels of the communication system.
摘要翻译：公开了用于最小化通信系统中的同信道干扰的方法和装置。根据本发明的方法包括使用第一扰码对第一帧进行加扰，将第一报头附加到第一帧以产生第一信号，使用第二扰码对第二帧进行加扰，将第二报头附加到第二帧以产生第二信号，以及通过通信系统的不同信道发送第一信号和第二信号。

6. 发明授权

US08594575B2 Shifted channel characteristics for mitigating co-channel interference 有权
标题翻译：改变通道特性，以减轻同频干扰
公开(公告)号：US08594575B2
公开(公告)日：2013-11-26
申请号：US12102394
申请日：2008-04-14
申请人： Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Guangcai Zhou , Tung-Sheng Lin
发明人： Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Guangcai Zhou , Tung-Sheng Lin
IPC分类号： H04B15/00 , H03D1/04
CPC分类号： H04N5/211 , H04B7/18513 , H04B7/1858 , H04N7/16 , H04N7/163 , H04N7/1675 , H04N7/17318 , H04N21/2347 , H04N21/4405 , H04N21/6143
摘要： Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises shifting a characteristic of the first signal with respect to a like characteristic of the second signal to mitigate co-channel interference, and transmitting the first signal and the second signal over different channels of the communication system.
摘要翻译：公开了用于最小化通信系统中的同信道干扰的方法和装置。根据本发明的方法包括相对于第二信号的相似特性移动第一信号的特性以减轻同信道干扰，以及通过通信系统的不同信道发送第一信号和第二信号。

7. 发明授权

US08571480B2 Methods and apparatuses for minimizing co-channel interference 有权
标题翻译：用于最小化同频道干扰的方法和装置
公开(公告)号：US08571480B2
公开(公告)日：2013-10-29
申请号：US12262078
申请日：2008-10-30
申请人： Lin-Nan Lee , Feng-Wen Sun , Adam Von Ancken , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Guangcai Zhou , Tung-Sheng Lin
发明人： Lin-Nan Lee , Feng-Wen Sun , Adam Von Ancken , Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Guangcai Zhou , Tung-Sheng Lin
IPC分类号： H04B1/00
CPC分类号： H04N5/211 , H04B7/18513 , H04B7/1858 , H04N7/16 , H04N7/163 , H04N7/1675 , H04N7/17318 , H04N21/2347 , H04N21/4405 , H04N21/6143
摘要： Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises scrambling a first frame using a first scrambling code, attaching a first header to the first frame to create the first signal, scrambling a second frame using a second scrambling code, attaching a second header to the second frame to create the second signal, and transmitting the first signal and the second signal over different channels of the communication system.
摘要翻译：公开了用于最小化通信系统中的同信道干扰的方法和装置。根据本发明的方法包括使用第一扰码对第一帧进行加扰，将第一报头附加到第一帧以产生第一信号，使用第二扰码对第二帧进行加扰，将第二报头附加到第二帧以产生第二信号，以及通过通信系统的不同信道发送第一信号和第二信号。

8. 发明授权

US08023888B2 Blind identification of advanced modulation and coding modes 有权
标题翻译：盲目识别先进的调制和编码模式
公开(公告)号：US08023888B2
公开(公告)日：2011-09-20
申请号：US12719098
申请日：2010-03-08
申请人： Joseph Santoru , Guangcai Zhou , Ernest C. Chen , Dennis Lai , Shamik Maitra
发明人： Joseph Santoru , Guangcai Zhou , Ernest C. Chen , Dennis Lai , Shamik Maitra
IPC分类号： H04Q7/20
CPC分类号： H04L25/03866 , H04L1/0046 , H04L1/0057 , H04L1/0072 , H04L7/04 , H04L27/0012 , H04N5/4401 , H04N7/20 , H04N21/2383 , H04N21/2389 , H04N21/434 , H04N21/4382 , H04N21/4385 , H04N21/6143
摘要： Methods and apparatuses for acquiring and demodulating a data stream transmitted in a communication system. A method in accordance with the present invention comprises finding a boundary of a physical layer frame (PLFrame) in the data stream, finding a first 26 bits of a Unique Word (UW) associated with the data stream, finding a scrambling code utilizing the UW, and using a decoding procedure to determine a modulation type and code rate used for desired signals within the data stream.
摘要翻译：用于获取和解调在通信系统中发送的数据流的方法和装置。根据本发明的方法包括找到数据流中的物理层帧（PLFrame）的边界，找到与数据流相关联的唯一字（UW）的前26位，利用UW 并且使用解码过程来确定用于数据流内的期望信号的调制类型和码率。

9. 发明授权

US07412209B2 Shifted channel characteristics for mitigating co-channel interference 有权
标题翻译：改变通道特性，以减轻同频干扰
公开(公告)号：US07412209B2
公开(公告)日：2008-08-12
申请号：US11102983
申请日：2005-04-11
申请人： Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Guangcai Zhou , Tung-Sheng Lin
发明人： Joseph Santoru , Ernest C. Chen , Shamik Maitra , Dennis Lai , Guangcai Zhou , Tung-Sheng Lin
IPC分类号： H04B15/00 , H03D1/04
CPC分类号： H04N5/211 , H04B7/18513 , H04B7/1858 , H04N7/16 , H04N7/163 , H04N7/1675 , H04N7/17318 , H04N21/2347 , H04N21/4405 , H04N21/6143
摘要： Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises shifting a characteristic of the first signal with respect to a like characteristic of the second signal to mitigate co-channel interference, and transmitting the first signal and the second signal over different channels of the communication system.
摘要翻译：公开了用于最小化通信系统中的同信道干扰的方法和装置。根据本发明的方法包括相对于第二信号的相似特性移动第一信号的特性以减轻同信道干扰，以及通过通信系统的不同信道发送第一信号和第二信号。

10. 发明授权

US07403574B2 Simplified scrambling scheme for satellite broadcasting systems 有权
标题翻译：卫星广播系统的简化扰频方案
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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