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1. 发明申请

US20130120665A1 METHOD AND SYSTEM FOR MULTI-PATH VIDEO AND NETWORK CHANNELS 有权
标题翻译：多路径视频和网络通道的方法和系统
公开(公告)号：US20130120665A1
公开(公告)日：2013-05-16
申请号：US13674008
申请日：2012-11-10
申请人： Anand Anandakumar , Sheng Ye , Curtis Ling
发明人： Anand Anandakumar , Sheng Ye , Curtis Ling
IPC分类号： H04N5/44 , H04N5/50
CPC分类号： H04N21/4263 , H04N5/44 , H04N5/50 , H04N21/4383 , H04N21/4436 , H04N21/4622 , H04N21/6143
摘要： Methods and systems for multi-path video and network channels may comprise a communication device comprising a wideband path (WB) and a narrowband path (NB), wherein the WB may be operable to receive a plurality of channels and the NB may be operable to receive a single channel. Video channels and a network channel may be received in the WB when the device is operating in a first stage. Video channels and a network channel may be received in the WB and the network channel may also be received in the NB when the device is operating in a second stage. The network channel may be received in the NB when the device is operating in a third stage. The reception of the network channel from both the WB and the NB may enable a continuous reception of the network channel in a transition between the first and third stages.
摘要翻译：用于多路径视频和网络信道的方法和系统可以包括包括宽带路径（WB）和窄带路径（NB）的通信设备，其中，所述WB可以可操作以接收多个信道，并且所述NB可操作为接收单个频道。当设备在第一阶段中操作时，可以在WB中接收视频通道和网络通道。在WB中可以接收视频信道和网络信道，并且当设备在第二阶段中操作时，也可以在NB中接收网络信道。当设备在第三阶段中操作时，可以在NB中接收网络信道。来自WB和NB的网络信道的接收可以使得能够在第一和第三级之间的转换中连续接收网络信道。

2. 发明授权

US08909819B2 Method and system for multi-path video and network channels 有权
标题翻译：多路径视频和网络通道的方法和系统
公开(公告)号：US08909819B2
公开(公告)日：2014-12-09
申请号：US13674008
申请日：2012-11-10
申请人： Anand Anandakumar , Sheng Ye , Curtis Ling
发明人： Anand Anandakumar , Sheng Ye , Curtis Ling
IPC分类号： G06F3/00 , H03K9/00 , H04N21/443 , H04N21/438 , H04N5/44 , H04N21/426 , H04N5/50
CPC分类号： H04N21/4263 , H04N5/44 , H04N5/50 , H04N21/4383 , H04N21/4436 , H04N21/4622 , H04N21/6143
摘要： Methods and systems for multi-path video and network channels may comprise a communication device comprising a wideband path (WB) and a narrowband path (NB), wherein the WB may be operable to receive a plurality of channels and the NB may be operable to receive a single channel. Video channels and a network channel may be received in the WB when the device is operating in a first stage. Video channels and a network channel may be received in the WB and the network channel may also be received in the NB when the device is operating in a second stage. The network channel may be received in the NB when the device is operating in a third stage. The reception of the network channel from both the WB and the NB may enable a continuous reception of the network channel in a transition between the first and third stages.
摘要翻译：用于多路径视频和网络信道的方法和系统可以包括包括宽带路径（WB）和窄带路径（NB）的通信设备，其中，所述WB可以可操作以接收多个信道，并且所述NB可操作为接收单个频道。当设备在第一阶段中操作时，可以在WB中接收视频通道和网络通道。在WB中可以接收视频信道和网络信道，并且当设备在第二阶段中操作时，也可以在NB中接收网络信道。当设备在第三阶段中操作时，可以在NB中接收网络信道。来自WB和NB的网络信道的接收可以使得能够在第一和第三级之间的转换中连续接收网络信道。

3. 发明申请

US20120105277A1 TIME SYNCHRONIZATION WITH AMBIENT SOURCES 有权
标题翻译：与环境来源的时间同步
公开(公告)号：US20120105277A1
公开(公告)日：2012-05-03
申请号：US13098314
申请日：2011-04-29
申请人： Curtis Ling , Anand Anandakumar
发明人： Curtis Ling , Anand Anandakumar
IPC分类号： G01S19/00
CPC分类号： G01S19/05 , G01S19/256 , G01S19/31 , G01S19/34
摘要： Systems and methods for extracting synchronization information from ambient signals, such as broadcast television signals, and using the synchronization information as a reference for correcting the local time base so that a GNSS positioning receiver system maintains relative time base accuracy with respect to a GNSS time.
摘要翻译：从诸如广播电视信号的环境信号中提取同步信息的系统和方法，以及使用同步信息作为校正本地时基的参考，以使得GNSS定位接收机系统相对于GNSS时间维持相对的时基精度。

4. 发明申请

US20110280349A1 APPARATUS & METHODS FOR SYMBOL TIMING ERROR DETECTION, TRACKING AND CORRECTION 有权
标题翻译：符号时序错误检测，跟踪和校正的装置和方法
公开(公告)号：US20110280349A1
公开(公告)日：2011-11-17
申请号：US12947667
申请日：2010-11-16
申请人： Seung-Chul Hong , Anand Anandakumar , Curtis Ling
发明人： Seung-Chul Hong , Anand Anandakumar , Curtis Ling
IPC分类号： H04L7/00 , H04L27/06
CPC分类号： H04L1/0023 , H04L5/0007 , H04L7/0016 , H04L25/0216 , H04L27/265 , H04L27/2665 , H04L27/2671 , H04L27/2695
摘要： Systems and methods for adjusting timing in a communication system, such as an OFDM system are described. In one implementation an error signal is generated to adjust the timing of a variable rate interpolator so as to adjust FFT timing. The error signal may be based on detection of significant peaks in an estimate of the impulse response of the channel, with the peak locations being tracked over subsequent symbols and the system timing adjusted in response to changes in the peaks.
摘要翻译：描述了用于调整诸如OFDM系统的通信系统中的定时的系统和方法。在一个实现中，产生误差信号以调整可变速率内插器的定时，以便调整FFT定时。误差信号可以基于在通道的脉冲响应的估计中检测到有效峰值，其中峰值位置在随后的符号上被跟踪，并且响应于峰值的变化来调整系统时序。

5. 发明授权

US08912955B2 Time synchronization with ambient sources 有权
标题翻译：与环境源进行时间同步
公开(公告)号：US08912955B2
公开(公告)日：2014-12-16
申请号：US13098314
申请日：2011-04-29
申请人： Curtis Ling , Anand Anandakumar
发明人： Curtis Ling , Anand Anandakumar
IPC分类号： G01S19/34 , G01S19/23 , G01S19/05 , G01S19/25 , G01S19/31
CPC分类号： G01S19/05 , G01S19/256 , G01S19/31 , G01S19/34
摘要： Systems and methods for extracting synchronization information from ambient signals, such as broadcast television signals, and using the synchronization information as a reference for correcting the local time base so that a GNSS positioning receiver system maintains relative time base accuracy with respect to a GNSS time.
摘要翻译：从诸如广播电视信号的环境信号中提取同步信息的系统和方法，以及使用同步信息作为校正本地时基的参考，以使得GNSS定位接收机系统相对于GNSS时间维持相对的时基精度。

6. 发明授权

US08548075B2 Apparatus and methods for symbol timing error detection, tracking and correction 有权
公开(公告)号：US08548075B2
公开(公告)日：2013-10-01
申请号：US12947667
申请日：2010-11-16
申请人： Seung-Chul Hong , Anand Anandakumar , Curtis Ling
发明人： Seung-Chul Hong , Anand Anandakumar , Curtis Ling
IPC分类号： H04K1/10
CPC分类号： H04L1/0023 , H04L5/0007 , H04L7/0016 , H04L25/0216 , H04L27/265 , H04L27/2665 , H04L27/2671 , H04L27/2695
摘要： Systems and methods for adjusting timing in a communication system, such as an OFDM system are described. In one implementation an error signal is generated to adjust the timing of a variable rate interpolator so as to adjust FFT timing. The error signal may be based on detection of significant peaks in an estimate of the impulse response of the channel, with the peak locations being tracked over subsequent symbols and the system timing adjusted in response to changes in the peaks.

7. 发明授权

US08374569B2 Harmonic reject receiver architecture and mixer 有权
公开(公告)号：US08374569B2
公开(公告)日：2013-02-12
申请号：US13568456
申请日：2012-08-07
申请人： Kishore Seendripu , Raymond Montemayor , Sheng Ye , Glenn Chang , Curtis Ling
发明人： Kishore Seendripu , Raymond Montemayor , Sheng Ye , Glenn Chang , Curtis Ling
IPC分类号： H04B1/10 , H04B15/06
CPC分类号： H04B1/26 , H03D3/007 , H03D3/008 , H03D3/009 , H03D7/14 , H03D7/1441 , H03D7/1458 , H03D7/1475 , H03D7/165 , H03D7/166 , H03D2200/0086 , H03H11/22 , H04B1/10 , H04B1/109 , H04B1/12 , H04B1/30 , H04B15/00 , H04J1/18 , H04L27/34
摘要： Receiver architectures and methods of processing harmonic rich input signals employing harmonic suppression mixers are disclosed herein. The disclosed receivers, mixers, and methods enable a receiver to achieve the advantages of switching mixers while greatly reducing the mixer response to the undesired harmonics. A harmonic mixer can include a plurality of mixers coupled to an input signal. A plurality of phases of a local oscillator signal can be generated from a single local oscillator output. Each of the phases can be used to drive an input of one of the mixers. The mixer outputs can be combined to generate a frequency converted output that has harmonic rejection.

8. 发明授权

US08306157B2 Receiver architecture with digitally generated intermediate frequency 有权
标题翻译：具有数字生成中频的接收机架构
公开(公告)号：US08306157B2
公开(公告)日：2012-11-06
申请号：US12831201
申请日：2010-07-06
申请人： Kishore Seendripu , Raymond Montemayor , Sheng Ye , Glenn Chang , Curtis Ling
发明人： Kishore Seendripu , Raymond Montemayor , Sheng Ye , Glenn Chang , Curtis Ling
IPC分类号： H03D3/22
CPC分类号： H04L5/06 , H03D3/008 , H03D3/009 , H03D7/166 , H04B1/30
摘要： A receiver can be configured to include an RF front end that is configured to downconvert a received signal to a baseband signal or a low Intermediate Frequency (IF) signal. The receiver can downconvert the desired signal from an RF frequency in the presence of numerous interference sources to a baseband or low IF signal for filtering and channel selection. The filtered baseband or low IF signal can be converted to a digital representation. The digital representation of the signal can be upconverted in the digital domain to a programmable IF frequency. The digital IF signal can be converted to an analog IF signal that can be processed by legacy hardware.
摘要翻译：接收机可以被配置为包括被配置为将接收到的信号下变频为基带信号或低中频（IF）信号的RF前端。接收机可以在存在多个干扰源的情况下将来自RF频率的期望信号下变频到用于滤波和信道选择的基带或低IF信号。滤波后的基带或低IF信号可以转换为数字表示。信号的数字表示可以在数字域中上转换成可编程的中频。数字IF信号可以转换为可由传统硬件处理的模拟IF信号。

9. 发明申请

US20110081877A1 DUAL CONVERSION RECEIVER WITH PROGRAMMABLE INTERMEDIATE FREQUENCY AND CHANNEL SELECTION 有权
标题翻译：具有可编程中间频率和通道选择的双转换接收器
公开(公告)号：US20110081877A1
公开(公告)日：2011-04-07
申请号：US12831152
申请日：2010-07-06
申请人： Kishore Seendripu , Raymond Montemayor , Curtis Ling , Glenn Chang , Sheng Ye
发明人： Kishore Seendripu , Raymond Montemayor , Curtis Ling , Glenn Chang , Sheng Ye
IPC分类号： H04B1/26 , H04B1/18
CPC分类号： H04L27/3863 , H03D3/009 , H04B1/1036 , H04B1/30
摘要： A dual conversion receiver architecture that converts a radio frequency signal to produce a programmable intermediate frequency whose channel bandwidth and frequency can be changed using variable low-pass filtering to accommodate multiple standards for television and other wireless standards. The dual conversion receiver uses a two stage frequency translation and continual DC offset removal. The dual conversion receiver can be completely implemented on an integrated circuit with no external adjustments.
摘要翻译：一种双转换接收器架构，其转换射频信号以产生可编程中频，其可以使用可变低通滤波来改变其通道带宽和频率，以适应电视和其他无线标准的多种标准。双转换接收机使用两级频率转换和连续DC偏移去除。双转换接收器可以在没有外部调整的集成电路上完全实现。

10. 发明申请

US20100003943A1 Harmonic Reject Receiver Architecture and Mixer 有权
标题翻译：谐波抑制接收机架构和混频器
公开(公告)号：US20100003943A1
公开(公告)日：2010-01-07
申请号：US12432666
申请日：2009-04-29
申请人： Kishore Seendripu , Raymond Montemayor , Sheng Ye , Glenn Chang , Curtis Ling
发明人： Kishore Seendripu , Raymond Montemayor , Sheng Ye , Glenn Chang , Curtis Ling
IPC分类号： H04B1/26
CPC分类号： H04B1/26 , H03D3/007 , H03D3/008 , H03D3/009 , H03D7/14 , H03D7/1441 , H03D7/1458 , H03D7/1475 , H03D7/165 , H03D7/166 , H03D2200/0086 , H03H11/22 , H04B1/10 , H04B1/109 , H04B1/12 , H04B1/30 , H04B15/00 , H04J1/18 , H04L27/34
摘要： Receiver architectures and methods of processing harmonic rich input signals employing harmonic suppression mixers are disclosed herein. The disclosed receivers, mixers, and methods enable a receiver to achieve the advantages of switching mixers while greatly reducing the mixer response to the undesired harmonics. A harmonic mixer can include a plurality of mixers coupled to an input signal. A plurality of phases of a local oscillator signal can be generated from a single local oscillator output. Each of the phases can be used to drive an input of one of the mixers. The mixer outputs can be combined to generate a frequency converted output that has harmonic rejection.
摘要翻译：本文公开了采用谐波抑制混频器处理谐波丰富输入信号的接收机架构和方法。所公开的接收机，混频器和方法使得接收机能够实现切换混频器的优点，同时大大降低了混频器对不需要的谐波的响应。谐波混频器可以包括耦合到输入信号的多个混频器。可以从单个本地振荡器输出产生本地振荡器信号的多个相位。每个相都可用于驱动混合器之一的输入。混频器输出可以组合以产生具有谐波抑制的频率转换输出。

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