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1. 发明申请

US20130016794A1 TRANSMITTER INCLUDING CALIBRATION OF AN IN-PHASE/QUADRATURE (I/Q) MODULATOR AND ASSOCIATED METHODS 有权
标题翻译：包含相位/正交（I / Q）调制器和相关方法校准的发送器
公开(公告)号：US20130016794A1
公开(公告)日：2013-01-17
申请号：US13181819
申请日：2011-07-13
申请人： Mark W. THOMPSON , Robert E. DAMINSKI , Brian C. PADALINO
发明人： Mark W. THOMPSON , Robert E. DAMINSKI , Brian C. PADALINO
IPC分类号： H04B1/03 , H04L27/00
CPC分类号： H04L27/364
摘要： A transmitter includes an input, a modulator, and a calibration memory configured to store discrete calibration test points. A compensator is coupled between the input and the modulator and cooperates with the calibration memory to cause the modulator to generate a respective calibration carrier signal for each of the discrete calibration test points during a calibration phase. A detector is coupled to an output of the modulator and is configured to determine respective calibration values of the calibration carrier signals during the calibration phase. A compensator calculator is coupled to an output of the detector, and is configured to generate compensation values for the compensator for use during an operation phase and based on the calibration values of the calibration carrier signals.
摘要翻译：发射机包括输入，调制器和被配置为存储离散校准测试点的校准存储器。补偿器耦合在输入和调制器之间并与校准存储器配合，以使得调制器在校准阶段期间为每个离散校准测试点产生相应的校准载波信号。检测器耦合到调制器的输出，并被配置为在校准阶段期间确定校准载波信号的相应校准值。补偿器计算器耦合到检测器的输出端，并且被配置为产生用于补偿器的补偿值，以在操作阶段期间使用并且基于校准载波信号的校准值。

2. 发明授权

US08107572B1 Communications system using adaptive filter for interference reduction 有权
标题翻译：通信系统采用自适应滤波器进行干扰减少
公开(公告)号：US08107572B1
公开(公告)日：2012-01-31
申请号：US11871174
申请日：2007-10-12
申请人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
发明人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
IPC分类号： H04B1/10
CPC分类号： H04B1/10 , H03H17/0294 , H04L25/03038 , H04L25/03057 , H04L27/0008 , H04L2025/03375 , H04L2025/03566 , H04L2025/03611 , H04L2025/03745
摘要： A communications system receives a modulated signal that carries encoded communications data. An adaptive filter circuit has a plurality of adaptive filters each having a plurality of non-adaptive and adaptive filter taps with weighted coefficients. At a selected adaptive filter, an interference reduction circuit is responsive to one of at least a received state of a demodulator, the type of modulation used by communication system and the input and output power of adaptive filter for updating the adaptive gain of the adaptive filter, selecting the number and order of adaptive filter taps, separating the spacing of multipath introduced by adaptive filter, controlling input and output normalizing circuits to adaptive filter(s) and selecting if signal passed to demodulator is original received signal or signal output by adaptive filter. A demodulator and decoder receive the filtered output signal and demodulate and decode the signal to obtain the communications data.
摘要翻译：通信系统接收携带编码通信数据的调制信号。自适应滤波器电路具有多个自适应滤波器，每个自适应滤波器具有多个具有加权系数的非自适应和自适应滤波器抽头。在所选择的自适应滤波器中，干扰降低电路响应于解调器的至少接收状态中的一种，通信系统使用的调制类型以及自适应滤波器的输入和输出功率，用于更新自适应滤波器的自适应增益选择自适应滤波器抽头的数量和顺序，分离由自适应滤波器引入的多路径的间隔，将输入和输出归一化电路控制为自适应滤波器，并选择是否传送到解调器的信号是原始接收信号或由自适应滤波器输出的信号。解调器和解码器接收滤波后的输出信号并对信号进行解调和解码以获得通信数据。

3. 发明授权

US08098781B1 Communications system using adaptive filter with normalization circuit 有权
标题翻译：通信系统采用自适应滤波器与归一化电路
公开(公告)号：US08098781B1
公开(公告)日：2012-01-17
申请号：US11871180
申请日：2007-10-12
申请人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
发明人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
IPC分类号： H04B1/10
CPC分类号： H04L25/03038 , H04L2025/03401 , H04L2025/03407 , H04L2025/0342 , H04L2025/03802
摘要： A communications system receives a modulated signal that carries encoded communications data. An adaptive filter has a plurality of non-adaptive and adaptive filter taps with weighted coefficients and a input and output normalizing circuit that obtain sample values from a received signal input to or output from the adaptive filter to increase gain recovery based on type of modulation of encoded communication data, on state of demodulator (preamble search, preamble detected, data state) or other signal acquisition information. A demodulator and decoder receive the filtered output signal and demodulate and decode the signal to obtain the communications data.
摘要翻译：通信系统接收携带编码通信数据的调制信号。自适应滤波器具有多个具有加权系数的非自适应和自适应滤波器抽头以及输入和输出归一化电路，该输入和输出归一化电路从输入到自适应滤波器的接收信号或从自适应滤波器输出的采样值获得采样值，以基于调制类型编码通信数据，解调器的状态（前导码搜索，检测到前导码，数据状态）或其他信号获取信息。解调器和解码器接收滤波后的输出信号并对信号进行解调和解码以获得通信数据。

4. 发明授权

US07864835B2 Communications system using adaptive filter and variable delay before adaptive filter taps 有权
标题翻译：自适应滤波器之前采用自适应滤波和可变延迟的通信系统
公开(公告)号：US07864835B2
公开(公告)日：2011-01-04
申请号：US11871203
申请日：2007-10-12
申请人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
发明人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
IPC分类号： H03H7/30
CPC分类号： H04L25/03019
摘要： A communication system receives a modulated signal that carries encoded communication data. An adaptive filter has a plurality of adaptive filter taps and weighted coefficients and a variable delay circuit operative before the adaptive filter taps for separating the spacing of multipath introduced by adaptive filter and producing a filtered output signal with improved multipath performance. A demodulator and decoder receive the filtered output signal from the adaptive filter and demodulate and decode the signal to obtain the communications data.
摘要翻译：通信系统接收承载编码通信数据的调制信号。自适应滤波器具有多个自适应滤波器抽头和加权系数，以及在自适应滤波器抽头之前操作的可变延迟电路，用于分离由自适应滤波器引入的多径的间隔，并产生具有改进的多径性能的滤波输出信号。解调器和解码器从自适应滤波器接收经滤波的输出信号，并对信号进行解调和解码以获得通信数据。

5. 发明授权

US08774316B2 Transmitter including calibration of an in-phase/quadrature (I/Q) modulator and associated methods 有权
标题翻译：发射机包括同相/正交（I / Q）调制器的校准和相关方法
公开(公告)号：US08774316B2
公开(公告)日：2014-07-08
申请号：US13181819
申请日：2011-07-13
申请人： Mark W. Thompson , Robert E. Daminski , Brian C. Padalino
发明人： Mark W. Thompson , Robert E. Daminski , Brian C. Padalino
IPC分类号： H03C3/00
CPC分类号： H04L27/364
摘要： A transmitter includes an input, a modulator, and a calibration memory configured to store discrete calibration test points. A compensator is coupled between the input and the modulator and cooperates with the calibration memory to cause the modulator to generate a respective calibration carrier signal for each of the discrete calibration test points during a calibration phase. A detector is coupled to an output of the modulator and is configured to determine respective calibration values of the calibration carrier signals during the calibration phase. A compensator calculator is coupled to an output of the detector, and is configured to generate compensation values for the compensator for use during an operation phase and based on the calibration values of the calibration carrier signals.
摘要翻译：发射机包括输入，调制器和被配置为存储离散校准测试点的校准存储器。补偿器耦合在输入和调制器之间并与校准存储器配合，以使得调制器在校准阶段期间为每个离散校准测试点产生相应的校准载波信号。检测器耦合到调制器的输出，并被配置为在校准阶段期间确定校准载波信号的相应校准值。补偿器计算器耦合到检测器的输出端，并且被配置为产生用于补偿器的补偿值，以在操作阶段期间使用并且基于校准载波信号的校准值。

6. 发明授权

US08379732B2 Communications device for scanning multiple frequencies and for detecting analog and digital video signals and associated methods 有权
标题翻译：用于扫描多个频率并用于检测模拟和数字视频信号和相关方法的通信设备
公开(公告)号：US08379732B2
公开(公告)日：2013-02-19
申请号：US12779505
申请日：2010-05-13
申请人： Nicholas J. Stocks , Brian C. Padalino , Cory N. Fitzsimmons
发明人： Nicholas J. Stocks , Brian C. Padalino , Cory N. Fitzsimmons
IPC分类号： H04N7/12
CPC分类号： H04N5/44 , H04N5/50 , H04N21/42638
摘要： A communications device includes a radio frequency (RF) receiver being scannable over a plurality of different frequencies and an analog to digital (AD) converter coupled to the RF receiver. The AD converter is configured to generate a receive bitstream. A processor coupled to the RF receiver and the AD converter. The processor is configured to perform, in parallel, calculating a received power level from the receive bitstream, attempting analog video decoding from the receive bitstream, and attempting digital video decoding from the receive bitstream. The processor is also configured to lock the RF receiver to a current frequency or scan the RF receiver to a next frequency based upon the received power level, and the attempted analog and video decoding.
摘要翻译：通信设备包括可在多个不同频率上扫描的射频（RF）接收机以及耦合到RF接收机的模数（AD）转换器。 AD转换器被配置为生成接收比特流。耦合到RF接收器和AD转换器的处理器。处理器被配置为并行地执行从接收比特流计算接收功率电平，从接收比特流尝试模拟视频解码，以及从接收比特流尝试数字视频解码。处理器还被配置为基于接收到的功率电平以及尝试的模拟和视频解码将RF接收器锁定到当前频率或者将RF接收机扫描到下一个频率。

7. 发明申请

US20110280313A1 COMMUNICATIONS DEVICE FOR SCANNING MULTIPLE FREQUENCIES AND FOR DETECTING ANALOG AND DIGITAL VIDEO SIGNALS AND ASSOCIATED METHODS 有权
标题翻译：用于扫描多个频率的通信设备和用于检测模拟和数字视频信号及相关方法
公开(公告)号：US20110280313A1
公开(公告)日：2011-11-17
申请号：US12779505
申请日：2010-05-13
申请人： Nicholas J. Stocks , Brian C. Padalino , Cory N. Fitzsimmons
发明人： Nicholas J. Stocks , Brian C. Padalino , Cory N. Fitzsimmons
IPC分类号： H04N7/12
CPC分类号： H04N5/44 , H04N5/50 , H04N21/42638
摘要： A communications device includes a radio frequency (RF) receiver being scannable over a plurality of different frequencies and an analog to digital (AD) converter coupled to the RF receiver. The AD converter is configured to generate a receive bitstream. A processor coupled to the RF receiver and the AD converter. The processor is configured to perform, in parallel, calculating a received power level from the receive bitstream, attempting analog video decoding from the receive bitstream, and attempting digital video decoding from the receive bitstream. The processor is also configured to lock the RF receiver to a current frequency or scan the RF receiver to a next frequency based upon the received power level, and the attempted analog and video decoding.
摘要翻译：通信设备包括可在多个不同频率上扫描的射频（RF）接收机以及耦合到RF接收机的模数（AD）转换器。 AD转换器被配置为生成接收比特流。耦合到RF接收器和AD转换器的处理器。处理器被配置为并行地执行从接收比特流计算接收功率电平，从接收比特流尝试模拟视频解码，以及从接收比特流尝试数字视频解码。处理器还被配置为基于接收到的功率电平以及尝试的模拟和视频解码将RF接收器锁定到当前频率或者将RF接收机扫描到下一个频率。

8. 发明申请

US20090098828A1 COMMUNICATIONS SYSTEM USING ADAPTIVE FILTER THAT IS SELECTED BASED ON OUTPUT POWER 有权
标题翻译：使用基于输出功率选择的自适应滤波器的通信系统
公开(公告)号：US20090098828A1
公开(公告)日：2009-04-16
申请号：US11871184
申请日：2007-10-12
申请人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
发明人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
IPC分类号： H03H7/30 , H04B1/10
CPC分类号： H04B1/1027 , H04L25/03038
摘要： A communications system receives a modulated signal that carries encoded communications data. An adaptive filter has an input, a plurality of non-adaptive and adaptive filter taps with weighted coefficients, and an output. The received signal is passed through the adaptive filter and around adaptive filter and a switch selects which signal to pass to demodulator based on measured output power of the adaptive filter and of the original received signal. A demodulator and decoder receive the filtered output signal and demodulate and decode the signal to obtain the communications data.
摘要翻译：通信系统接收携带编码通信数据的调制信号。自适应滤波器具有输入，具有加权系数的多个非自适应和自适应滤波器抽头以及输出。接收的信号通过自适应滤波器并在自适应滤波器周围，开关根据自适应滤波器的测量输出功率和原始接收信号选择哪个信号传递给解调器。解调器和解码器接收滤波后的输出信号并对信号进行解调和解码以获得通信数据。

9. 发明授权

US08204164B1 Communications system using adaptive filter and selected adaptive filter taps 有权
标题翻译：使用自适应滤波器和选择的自适应滤波器抽头的通信系统
公开(公告)号：US08204164B1
公开(公告)日：2012-06-19
申请号：US11871208
申请日：2007-10-12
申请人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
发明人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
IPC分类号： H04B1/10
CPC分类号： H04L25/03038 , H04L2025/03401 , H04L2025/0342 , H04L2025/03624
摘要： A communications system receives a modulated signal that carries encoded communications data. An adaptive filter has a plurality of non-adaptive and adaptive filter taps with weighted coefficients and a tap order selection circuit for selecting the number and order of adaptive filter taps based on one of at least measured output power from the adaptive filter and signal modulation. A demodulator and decoder receives the filtered output signal and demodulates and decodes the signal to obtain the communications data.
摘要翻译：通信系统接收携带编码通信数据的调制信号。自适应滤波器具有多个具有加权系数的非自适应和自适应滤波器抽头以及抽头顺序选择电路，用于基于来自自适应滤波器和信号调制的至少测量的输出功率之一来选择自适应滤波器抽头的数量和次序。解调器和解码器接收经过滤波的输出信号并对信号进行解调和解码以获得通信数据。

10. 发明授权

US08121236B1 Communications system using adaptive filter circuit using parallel adaptive filters 有权
标题翻译：采用并联自适应滤波器的自适应滤波电路的通信系统
公开(公告)号：US08121236B1
公开(公告)日：2012-02-21
申请号：US11871189
申请日：2007-10-12
申请人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
发明人： William N. Furman , John W. Nieto , Fred C. Kellerman , Brian C. Padalino
IPC分类号： H04B1/10
CPC分类号： H04L25/03038 , H04L2025/03477 , H04L2025/03585
摘要： A communications system receives a modulated communication signal that carries encoded communications data. A signal input receives the communication signal. An adaptive filter circuit is connected to the signal input and comprises N number of parallel adaptive filters. Each adaptive filter has non-adaptive and adaptive taps with weighted coefficients that are different in number from the respective other parallel adaptive filters within the adaptive filter circuit. A selection output circuit is connected to each adaptive filter and selects for output the adaptive filter having the most suppression or least output power or other criterion which can indicate a best choice to use of the N parallel adaptive filters. A demodulator demodulates the signal and a decoder receives the filtered output signal from the demodulator and decodes the signal to obtain the communications data.
摘要翻译：通信系统接收承载编码通信数据的调制通信信号。信号输入接收通信信号。自适应滤波电路连接到信号输入端，并包括N个并行自适应滤波器。每个自适应滤波器具有非自适应和自适应抽头，其具有与自适应滤波器电路内的相应的其他并行自适应滤波器的数量不同的加权系数。选择输出电路连接到每个自适应滤波器，并选择输出具有最大抑制或最小输出功率的自适应滤波器或其他标准，其可以指示使用N个并行自适应滤波器的最佳选择。解调器对信号进行解调，解码器从解调器接收经滤波的输出信号，对信号进行解码以获得通信数据。

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