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1. 发明授权

US09553565B2 Automatic frequency compensation method and apparatus 有权
标题翻译：自动频率补偿方法及装置
公开(公告)号：US09553565B2
公开(公告)日：2017-01-24
申请号：US13249215
申请日：2011-09-29
申请人： Hendricus de Ruijter , Wentao Li
发明人： Hendricus de Ruijter , Wentao Li
IPC分类号： H03J7/04 , H03J7/00 , H03J7/02
CPC分类号： H03J7/04 , H03J7/00 , H03J7/02
摘要： A method an apparatus for performing automatic frequency compensation (or control) is disclosed. A method and apparatus for performing automatic frequency compensation (or control) is disclosed. In one embodiment, a method includes a radio receiver receiving a radio signal and detecting a preamble in the radio signal. The method further includes freezing an automatic frequency compensation (AFC) loop responsive to detecting the preamble. A clock source of the AFC loop may be switched from a first clock signal to a second clock signal. The method further includes subsequently unfreezing the AFC loop.
摘要翻译：公开了一种执行自动频率补偿（或控制）的装置的方法。公开了一种执行自动频率补偿（或控制）的方法和装置。在一个实施例中，一种方法包括无线电接收机，其接收无线电信号并检测无线电信号中的前导码。该方法还包括响应于检测前导码来冻结自动频率补偿（AFC）循环。 AFC回路的时钟源可以从第一时钟信号切换到第二时钟信号。该方法还包括随后解冻AFC循环。

2. 发明申请

US20130083869A1 Receiver with Asynchronous and Synchronous Demodulator 有权
标题翻译：具有异步和同步解调器的接收器
公开(公告)号：US20130083869A1
公开(公告)日：2013-04-04
申请号：US13595949
申请日：2012-08-27
申请人： Hendricus de Ruijter , Wentao Li
发明人： Hendricus de Ruijter , Wentao Li
IPC分类号： H04L27/22 , H04B1/16
CPC分类号： H04L27/22 , H04B1/001
摘要： A receiver circuit includes an asynchronous demodulator having a demodulator input to receive a first signal and a demodulator output configured to provide a demodulated signal. The receiver circuit further includes a circuit, a multiplexer, and a synchronous demodulator. The modulator circuit includes a modulator input coupled to the demodulator output and includes a modulator output. The modulator re-modulates the demodulated signal to produce a second signal and provides the second signal to the modulator output. The multiplexer includes a first input to receive the first signal, a second input coupled to the modulator output to receive the second signal, a control input to a receive a select signal, and a multiplexer output. The synchronous demodulator includes an input coupled to the multiplexer output and an output to provide a demodulated output signal corresponding to a selected one of the first signal and the second signal.
摘要翻译：接收机电路包括具有用于接收第一信号的解调器输入和被配置为提供解调信号的解调器输出的异步解调器。接收器电路还包括电路，多路复用器和同步解调器。调制器电路包括耦合到解调器输出并包括调制器输出的调制器输入。调制器重调制解调信号以产生第二信号，并将第二信号提供给调制器输出。复用器包括用于接收第一信号的第一输入端，耦合到调制器输出以接收第二信号的第二输入，接收选择信号的控制输入和多路复用器输出。同步解调器包括耦合到多路复用器输出的输入和输出，以提供对应于第一信号和第二信号中选定的一个的解调输出信号。

3. 发明申请

US20130083648A1 Receiver with Collision Detection and Method Therefor 有权
标题翻译：具有碰撞检测的接收机及其方法
公开(公告)号：US20130083648A1
公开(公告)日：2013-04-04
申请号：US13595924
申请日：2012-08-27
申请人： Hendricus de Ruijter , Wentao Li
发明人： Hendricus de Ruijter , Wentao Li
IPC分类号： H04L29/14
CPC分类号： H04L1/0045 , H04L7/0054 , H04L7/042 , H04L69/40 , H04W74/0858
摘要： A method of handling a collision event between a first and second transmission includes detecting a collision event between the first and second transmissions while processing the first transmission at a receiver. The method further includes halting decoding of the first transmission in response to detecting the collision, adjusting receive parameters to receive the second transmission, and detecting a preamble portion of the second transmission using the adjusted receive parameters.
摘要翻译：处理第一和第二传输之间的冲突事件的方法包括在处理接收机处的第一传输时检测第一和第二传输之间的冲突事件。所述方法还包括响应于检测到所述冲突而停止对所述第一传输的解码，调整接收参数以接收所述第二传输，以及使用所述调整的接收参数来检测所述第二传输的前导码部分。

4. 发明授权

US09013975B2 Receiver with collision detection and method therefor 有权
标题翻译：具有碰撞检测的接收机及其方法
公开(公告)号：US09013975B2
公开(公告)日：2015-04-21
申请号：US13595924
申请日：2012-08-27
申请人： Hendricus de Ruijter , Wentao Li
发明人： Hendricus de Ruijter , Wentao Li
IPC分类号： H04L12/28 , H04L1/00 , H04L7/00 , H04L29/14 , H04L7/04 , H04W74/08
CPC分类号： H04L1/0045 , H04L7/0054 , H04L7/042 , H04L69/40 , H04W74/0858
摘要： A method of handling a collision event between a first and second transmission includes detecting a collision event between the first and second transmissions while processing the first transmission at a receiver. The method further includes halting decoding of the first transmission in response to detecting the collision, adjusting receive parameters to receive the second transmission, and detecting a preamble portion of the second transmission using the adjusted receive parameters.
摘要翻译：处理第一和第二传输之间的冲突事件的方法包括在处理接收机处的第一传输时检测第一和第二传输之间的冲突事件。所述方法还包括响应于检测到所述冲突而停止对所述第一传输的解码，调整接收参数以接收所述第二传输，以及使用所述调整的接收参数来检测所述第二传输的前导码部分。

5. 发明授权

US08634502B2 Receiver with asynchronous and synchronous demodulator 有权
标题翻译：具有异步和同步解调器的接收器
公开(公告)号：US08634502B2
公开(公告)日：2014-01-21
申请号：US13595949
申请日：2012-08-27
申请人： Hendricus de Ruijter , Wentao Li
发明人： Hendricus de Ruijter , Wentao Li
IPC分类号： H03K9/00 , H04L27/00
CPC分类号： H04L27/22 , H04B1/001
摘要： A receiver circuit includes an asynchronous demodulator having a demodulator input to receive a first signal and a demodulator output configured to provide a demodulated signal. The receiver circuit further includes a circuit, a multiplexer, and a synchronous demodulator. The modulator circuit includes a modulator input coupled to the demodulator output and includes a modulator output. The modulator re-modulates the demodulated signal to produce a second signal and provides the second signal to the modulator output. The multiplexer includes a first input to receive the first signal, a second input coupled to the modulator output to receive the second signal, a control input to a receive a select signal, and a multiplexer output. The synchronous demodulator includes an input coupled to the multiplexer output and an output to provide a demodulated output signal corresponding to a selected one of the first signal and the second signal.
摘要翻译：接收机电路包括具有用于接收第一信号的解调器输入和被配置为提供解调信号的解调器输出的异步解调器。接收器电路还包括电路，多路复用器和同步解调器。调制器电路包括耦合到解调器输出并包括调制器输出的调制器输入。调制器重调制解调信号以产生第二信号，并将第二信号提供给调制器输出。复用器包括用于接收第一信号的第一输入端，耦合到调制器输出以接收第二信号的第二输入，接收选择信号的控制输入和多路复用器输出。同步解调器包括耦合到多路复用器输出的输入和输出，以提供对应于第一信号和第二信号中选定的一个的解调输出信号。

6. 发明申请

US20130083874A1 AUTOMATIC FREQUENCY COMPENSATION METHOD AND APPARATUS 有权
标题翻译：自动频率补偿方法和装置
公开(公告)号：US20130083874A1
公开(公告)日：2013-04-04
申请号：US13249215
申请日：2011-09-29
申请人： Hendricus de Ruijter , Wentao Li
发明人： Hendricus de Ruijter , Wentao Li
IPC分类号： H04L27/06
CPC分类号： H03J7/04 , H03J7/00 , H03J7/02
摘要： A method an apparatus for performing automatic frequency compensation (or control) is disclosed. A method and apparatus for performing automatic frequency compensation (or control) is disclosed. In one embodiment, a method includes a radio receiver receiving a radio signal and detecting a preamble in the radio signal. The method further includes freezing an automatic frequency compensation (AFC) loop responsive to detecting the preamble. A clock source of the AFC loop may be switched from a first clock signal to a second clock signal. The method further includes subsequently unfreezing the AFC loop.
摘要翻译：公开了一种执行自动频率补偿（或控制）的装置的方法。公开了一种执行自动频率补偿（或控制）的方法和装置。在一个实施例中，一种方法包括无线电接收机，其接收无线电信号并检测无线电信号中的前导码。该方法还包括响应于检测前导码来冻结自动频率补偿（AFC）循环。 AFC回路的时钟源可以从第一时钟信号切换到第二时钟信号。该方法还包括随后解冻AFC循环。

7. 发明授权

US08699630B2 Systems and methods for handling data rate changes within a packet or frame 有权
标题翻译：用于处理数据包或帧内数据速率变化的系统和方法
公开(公告)号：US08699630B2
公开(公告)日：2014-04-15
申请号：US12913080
申请日：2010-10-27
申请人： Hendricus de Ruijter
发明人： Hendricus de Ruijter
IPC分类号： H04L27/06
CPC分类号： H04L25/0262 , H04L27/14
摘要： Systems and methods for handling data rate changes within a packet or frame are described. In an embodiment, a system may include a radio frequency (RF) circuit operable to receive a message having a plurality of segments, including a first segment that is modulated according to a first modulation data rate. The system may also include a demodulator circuit coupled to the RF circuit and operable to demodulate the first segment into a first demodulated segment having a demodulation data rate, wherein the demodulation data rate is greater than the first modulation data rate. The system may further include a de-mapper circuit coupled to the demodulator circuit and operable to convert the first demodulated segment into a first converted segment having the first modulation data rate.
摘要翻译：描述用于处理分组或帧内的数据速率变化的系统和方法。在一个实施例中，系统可以包括射频（RF）电路，其可操作以接收具有多个段的消息，包括根据第一调制数据速率调制的第一段。该系统还可以包括耦合到RF电路并且可操作以将第一段解调成具有解调数据速率的第一解调段的解调器电路，其中解调数据速率大于第一调制数据速率。该系统还可以包括耦合到解调器电路并且可操作以将第一解调片段转换为具有第一调制数据速率的第一转换片段的解映射器电路。

8. 发明授权

US08515373B2 Apparatus for providing reference signals and associated methods 有权
标题翻译：用于提供参考信号和相关方法的装置
公开(公告)号：US08515373B2
公开(公告)日：2013-08-20
申请号：US13250074
申请日：2011-09-30
申请人： Hendricus de Ruijter , Sharon Mutchnik
发明人： Hendricus de Ruijter , Sharon Mutchnik
IPC分类号： H04B1/06
CPC分类号： H04B1/403
摘要： An apparatus includes a signal processing circuit and at least two oscillators that provide, respectively, at least first and second reference signals. The apparatus further comprise a selection circuit. The selection circuit provides to the signal processing circuit one of the first and second reference signals depending on a mode of operation of the signal processing circuit.
摘要翻译：一种装置包括信号处理电路和分别提供至少第一和第二参考信号的至少两个振荡器。该装置还包括选择电路。选择电路根据信号处理电路的工作模式向信号处理电路提供第一和第二参考信号之一。

9. 发明申请

US20130083829A1 APPARATUS FOR PROVIDING REFERENCE SIGNALS AND ASSOCIATED METHODS 有权
标题翻译：提供参考信号和相关方法的设备
公开(公告)号：US20130083829A1
公开(公告)日：2013-04-04
申请号：US13250074
申请日：2011-09-30
申请人： Hendricus de Ruijter , Sharon Mutchnik
发明人： Hendricus de Ruijter , Sharon Mutchnik
IPC分类号： H04B1/40
CPC分类号： H04B1/403
摘要： An apparatus includes a signal processing circuit and at least two oscillators that provide, respectively, at least first and second reference signals. The apparatus further comprise a selection circuit. The selection circuit provides to the signal processing circuit one of the first and second reference signals depending on a mode of operation of the signal processing circuit.
摘要翻译：一种装置包括信号处理电路和分别提供至少第一和第二参考信号的至少两个振荡器。该装置还包括选择电路。选择电路根据信号处理电路的工作模式向信号处理电路提供第一和第二参考信号之一。

10. 发明申请

US20120329415A1 Apparatus and Method for Interference Management 审中-公开
标题翻译：干扰管理装置与方法
公开(公告)号：US20120329415A1
公开(公告)日：2012-12-27
申请号：US13170172
申请日：2011-06-27
申请人： Hendricus de Ruijter
发明人： Hendricus de Ruijter
IPC分类号： H04B17/00
CPC分类号： H03G3/3052 , H03G3/3078 , H04B1/1027 , H04B17/345
摘要： A circuit includes a front-end circuit having an input for receiving a radio frequency signal, a control input, and an output. The front-end circuit includes an adjustable gain. The circuit further includes a received signal strength indicator (RSSI) circuit including an input coupled to the output of the front-end circuit and including an output. The circuit also includes a control circuit including an input coupled to the output of the RSSI circuit and an output coupled to the control input of the front-end circuit. The control circuit is configured to iteratively adjust the adjustable gain by a pre-determined adjustment until a difference between a first RSSI measurement and a second RSSI measurement is less than or approximately equal to the pre-determined adjustment.
摘要翻译：电路包括具有用于接收射频信号的输入端，控制输入端和输出端的前端电路。前端电路包括可调增益。电路还包括接收信号强度指示器（RSSI）电路，其包括耦合到前端电路的输出并包括输出的输入。电路还包括控制电路，其包括耦合到RSSI电路的输出的输入端和耦合到前端电路的控制输入的输出。控制电路被配置为通过预定的调整来迭代地调节可调增益，直到第一RSSI测量和第二RSSI测量之间的差小于或近似等于预定的调整。

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