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1. 发明授权

US09008249B2 Detection and filtering of an undesired narrowband signal contribution in a wireless signal receiver 有权
标题翻译：在无线信号接收机中对不期望的窄带信号贡献的检测和滤波
公开(公告)号：US09008249B2
公开(公告)日：2015-04-14
申请号：US13371311
申请日：2012-02-10
申请人： Jie Wu , Emilija M. Simic , Timothy Paul Pals , Duong A. Hoang
发明人： Jie Wu , Emilija M. Simic , Timothy Paul Pals , Duong A. Hoang
IPC分类号： H04B1/10 , G01S19/21
CPC分类号： G01S19/21 , H04B1/1036
摘要： Techniques are provided which may be implemented using various methods and/or apparatuses in a device comprising a receiver to scan a spectral band of a received signal comprising a desired signal contribution to determine whether signal data associated with at least a sub-band of the spectral band further comprises at least one undesired signal contribution. In response to determining that the signal data comprises at least one undesired signal contribution, the mobile station may initiate at least one notch filter to affect the undesired signal contribution in subsequent signal data associated with the received signal.
摘要翻译：提供了技术，其可以使用包括接收机的各种方法和/或装置来实现，该接收机扫描包括期望信号贡献的接收信号的频谱带，以确定与至少频谱的子带相关联的信号数据频带还包括至少一个不需要的信号贡献。响应于确定信号数据包括至少一个不需要的信号贡献，移动台可以启动至少一个陷波滤波器以影响与接收信号相关联的后续信号数据中的不期望的信号贡献。

2. 发明授权

US08812052B2 SPS receiver with adjustable linearity 有权
标题翻译： SPS接收机，线性可调
公开(公告)号：US08812052B2
公开(公告)日：2014-08-19
申请号：US11753542
申请日：2007-05-24
申请人： Yang Xu , Timothy Paul Pals , Kevin Hsi-huai Wang
发明人： Yang Xu , Timothy Paul Pals , Kevin Hsi-huai Wang
IPC分类号： H04M1/00 , H03F1/32 , H04B7/185 , H03F3/04 , H03F1/22 , G01S19/21 , H04B1/04 , G01S19/36 , G01S19/34
CPC分类号： H03F3/04 , G01S19/21 , G01S19/34 , G01S19/36 , H03F1/02 , H03F1/223 , H03F1/3205 , H03F3/19 , H03F3/24 , H04B7/18513 , H04B2001/045 , Y02D70/1222 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/164 , Y02D70/446
摘要： A satellite positioning system (SPS) receiver that can provide good performance with low power consumption is described. The SPS receiver may be operated in one of multiple modes, which may be associated with different bias current settings for the SPS receiver. One of the modes may be selected based on output power level of a transmitter co-located with the SPS receiver. The bias current of an LNA, a mixer, and/or an LO generator within the SPS receiver may be set based on the selected mode. In one design, a first (e.g., lower power) mode may be selected for the SPS receiver if the transmitter output power level is below a switch point. A second (e.g., high linearity) mode may be selected if the transmitter output power level is above the switch point. The second mode is associated with more bias current for the SPS receiver than the first mode.
摘要翻译：描述了能够以低功耗提供良好性能的卫星定位系统（SPS）接收机。 SPS接收机可以以多种模式之一操作，这可以与SPS接收机的不同偏置电流设置相关联。可以基于与SPS接收机共处的发射机的输出功率电平来选择一种模式。可以基于所选择的模式来设置SPS接收机内的LNA，混频器和/或LO发生器的偏置电流。在一种设计中，如果发射机输出功率电平低于切换点，则可以为SPS接收机选择第一（例如，较低功率）模式。如果发射机输出功率电平高于开关点，则可以选择第二（例如，高线性度）模式。与第一模式相比，第二模式与SPS接收机的偏置电流相关。

3. 发明授权

US08300680B2 Apparatus and method for dynamic scaling of ADC sampling rate to avoid receiver interference 有权
标题翻译：用于动态缩放ADC采样率的装置和方法，以避免接收机干扰
公开(公告)号：US08300680B2
公开(公告)日：2012-10-30
申请号：US12615052
申请日：2009-11-09
申请人： Timothy Paul Pals , Soon-Seng Lau , Lennart K. Mathe
发明人： Timothy Paul Pals , Soon-Seng Lau , Lennart K. Mathe
IPC分类号： H04B1/38 , H04L5/16
CPC分类号： H04B1/109 , H04B1/28
摘要： A method and apparatus for avoiding receiver interference is described herein. One or more potential interferers are determined and the frequency associated with the interferers is also determined A desired sampling frequency for the receiver is calculated to avoid the potential interferers.
摘要翻译：本文描述了一种避免接收机干扰的方法和装置。确定一个或多个潜在干扰源并且还确定与干扰源相关联的频率。为了避免潜在的干扰源，计算接收机的期望采样频率。

4. 发明申请

US20090072912A1 OSCILLATOR SIGNAL GENERATION WITH SPUR MITIGATION IN A WIRELESS COMMUNICATION DEVICE 有权
标题翻译：振荡器信号发生在无线通信设备中的缓和
公开(公告)号：US20090072912A1
公开(公告)日：2009-03-19
申请号：US11868824
申请日：2007-10-08
申请人： Hong Sun Kim , Jin Wook Kim , Gang Zhang , Jeremy Darren Dunworth , Timothy Paul Pals
发明人： Hong Sun Kim , Jin Wook Kim , Gang Zhang , Jeremy Darren Dunworth , Timothy Paul Pals
IPC分类号： H03L7/18 , H03L7/08 , H03L7/085 , H04B1/40 , H03L7/099
CPC分类号： H03L7/193 , H03L7/107 , H03L7/1976
摘要： Techniques for generating oscillator signals in a wireless communication device are described. A phase-locked loop (PLL) may be used to generate an oscillator signal for a selected frequency channel. Different PLL settings may be used for the blocks in the PLL for different frequency channels. The different PLL settings may be for different PLL loop bandwidths, different amounts of charge pump current, different frequency equations associated with different sets of high and low divider ratios, different frequency division schemes associated with different prescaler ratios and/or different integer divider ratios, high side or low side injection for a super-heterodyne receiver or transmitter, and/or different supply voltages for one or more circuit blocks such as an oscillator. A suitable set of PLL settings may be selected for each frequency channel such that adverse impact due to spurs can be mitigated.
摘要翻译：描述了在无线通信设备中产生振荡器信号的技术。可以使用锁相环（PLL）来产生所选频道的振荡器信号。对于不同的频率通道，PLL中的块可能使用不同的PLL设置。不同的PLL设置可以用于不同的PLL环路带宽，不同的电荷泵浦电流量，与不同的高和低分频比组相关的不同频率方程，与不同预分频器比率和/或不同的整数分频比相关的不同分频方案，用于超外差接收器或发射器的高侧或低侧注入，和/或用于一个或多个电路块（例如振荡器）的不同电源电压。可以为每个频道选择合适的一组PLL设置，从而可以减轻由于刺激引起的不利影响。

5. 发明申请

US20100316098A1 APPARATUS AND METHOD FOR DYNAMIC SCALING OF ADC SAMPLING RATE TO AVOID RECEIVER INTERFERENCE 有权
标题翻译： ADC采样速率动态缩放避免接收干扰的装置和方法
公开(公告)号：US20100316098A1
公开(公告)日：2010-12-16
申请号：US12615052
申请日：2009-11-09
申请人： Timothy Paul Pals , Soon-Seng Lau , Lennart K. Mathe
发明人： Timothy Paul Pals , Soon-Seng Lau , Lennart K. Mathe
IPC分类号： H04B1/38 , H04L27/06 , H04B1/10
CPC分类号： H04B1/109 , H04B1/28
摘要： A method and apparatus for avoiding receiver interference is described herein. One or more potential interferers are determined and the frequency associated with the interferers is also determined A desired sampling frequency for the receiver is calculated to avoid the potential interferers.
摘要翻译：本文描述了一种避免接收机干扰的方法和装置。确定一个或多个潜在干扰源并且还确定与干扰源相关联的频率。为了避免潜在的干扰源，计算接收机的期望采样频率。

6. 发明申请

US20090276639A1 DYNAMIC FREQUENCY SCALING OF A SWITCHED MODE POWER SUPPLY 有权
标题翻译：开关电源的动态频率范围
公开(公告)号：US20090276639A1
公开(公告)日：2009-11-05
申请号：US12395407
申请日：2009-02-27
申请人： Juhi Saha , Ching Chang Shen , Timothy Paul Pals , Soon-Seng Lau
发明人： Juhi Saha , Ching Chang Shen , Timothy Paul Pals , Soon-Seng Lau
IPC分类号： G06F1/26
CPC分类号： H02M3/156
摘要： System(s) and method(s) are provided for dynamically scaling switching frequencies and clock sources of switched mode power supplies (SMPSs) in a mobile station. Switching frequency is scaled to an optimal value in response to at least one of (i) a change in mode of operation for wireless communication employed by the mobile station, an additional mode of operation is triggered, (ii) a change in operation conditions of a set of loads associated with functionality of the mobile is determined, or (iii) an LO spur set-off by a SMPS in the presence of an interference signal with a frequency splitting from an operational band that matches the SMPS frequency or at least one of its harmonics. Switching frequencies can be selected from a lookup table, or through an analysis of switching frequencies available to the mobile and operational criteria. A set of clock sources can provide an ensemble of switching frequencies.
摘要翻译：提供了一种或多种系统和方法，用于在移动台中动态地缩放交换模式电源（SMPS）的开关频率和时钟源。响应于（i）移动台采用的无线通信的操作模式的变化中的至少一个，切换频率被缩放到最佳值，触发附加操作模式，（ii）操作条件的变化确定与移动台的功能相关联的一组负载，或者（iii）在存在来自与SMPS频率匹配的操作频带的频率分割的干扰信号的情况下，由SMPS发出的LO引导断开，或至少一个的谐波。切换频率可以从查找表中选择，也可以通过分析可用于移动和操作标准的切换频率。一组时钟源可以提供开关频率的集合。

7. 发明申请

US20130208838A1 DETECTION AND FILTERING OF AN UNDESIRED NARROWBAND SIGNAL CONTRIBUTION IN A WIRELESS SIGNAL RECEIVER 有权
标题翻译：无线信号接收机中未受干扰的窄带信号贡献的检测和滤波
公开(公告)号：US20130208838A1
公开(公告)日：2013-08-15
申请号：US13371311
申请日：2012-02-10
申请人： Jie Wu , Emilija M. Simic , Timothy Paul Pals , Duong A. Hoang
发明人： Jie Wu , Emilija M. Simic , Timothy Paul Pals , Duong A. Hoang
IPC分类号： H04B1/10
CPC分类号： G01S19/21 , H04B1/1036
摘要： Techniques are provided which may be implemented using various methods and/or apparatuses in a device comprising a receiver to scan a spectral band of a received signal comprising a desired signal contribution to determine whether signal data associated with at least a sub-band of the spectral band further comprises at least one undesired signal contribution. In response to determining that the signal data comprises at least one undesired signal contribution, the mobile station may initiate at least one notch filter to affect the undesired signal contribution in subsequent signal data associated with the received signal.
摘要翻译：提供了技术，其可以使用包括接收机的各种方法和/或装置来实现，该接收机扫描包括期望信号贡献的接收信号的频谱带，以确定与至少频谱的子带相关联的信号数据频带还包括至少一个不需要的信号贡献。响应于确定信号数据包括至少一个不需要的信号贡献，移动台可以启动至少一个陷波滤波器以影响与接收信号相关联的后续信号数据中的不期望的信号贡献。

8. 发明申请

US20120231729A1 SPS RECEIVER WITH ADJUSTABLE LINEARITY 有权
标题翻译： SPS接收器具有可调线性
公开(公告)号：US20120231729A1
公开(公告)日：2012-09-13
申请号：US11753542
申请日：2007-05-24
申请人： Yang Xu , Timothy Paul Pals , Kevin Hsi-huai Wang
发明人： Yang Xu , Timothy Paul Pals , Kevin Hsi-huai Wang
IPC分类号： H04W52/02 , H04W88/04
CPC分类号： H03F3/04 , G01S19/21 , G01S19/34 , G01S19/36 , H03F1/02 , H03F1/223 , H03F1/3205 , H03F3/19 , H03F3/24 , H04B7/18513 , H04B2001/045 , Y02D70/1222 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/164 , Y02D70/446
摘要： A satellite positioning system (SPS) receiver that can provide good performance with low power consumption is described. The SPS receiver may be operated in one of multiple modes, which may be associated with different bias current settings for the SPS receiver. One of the modes may be selected based on output power level of a transmitter co-located with the SPS receiver. The bias current of an LNA, a mixer, and/or an LO generator within the SPS receiver may be set based on the selected mode. In one design, a first (e.g., lower power) mode may be selected for the SPS receiver if the transmitter output power level is below a switch point. A second (e.g., high linearity) mode may be selected if the transmitter output power level is above the switch point. The second mode is associated with more bias current for the SPS receiver than the first mode.
摘要翻译：描述了能够以低功耗提供良好性能的卫星定位系统（SPS）接收机。 SPS接收机可以以多种模式之一操作，这可以与SPS接收机的不同偏置电流设置相关联。可以基于与SPS接收机共处的发射机的输出功率电平来选择一种模式。可以基于所选择的模式来设置SPS接收机内的LNA，混频器和/或LO发生器的偏置电流。在一种设计中，如果发射机输出功率电平低于切换点，则可以为SPS接收机选择第一（例如，较低功率）模式。如果发射机输出功率电平高于开关点，则可以选择第二（例如，高线性度）模式。与第一模式相比，第二模式与SPS接收机的偏置电流相关。

9. 发明授权

US08239694B2 Dynamic frequency scaling of a switched mode power supply 有权
标题翻译：开关模式电源的动态频率缩放
公开(公告)号：US08239694B2
公开(公告)日：2012-08-07
申请号：US12395407
申请日：2009-02-27
申请人： Juhi Saha , Ching Chang Shen , Timothy Paul Pals , Soon-Seng Lau
发明人： Juhi Saha , Ching Chang Shen , Timothy Paul Pals , Soon-Seng Lau
IPC分类号： G06F1/26 , H02M3/335 , G05F1/00
CPC分类号： H02M3/156
摘要： System(s) and method(s) are provided for dynamically scaling switching frequencies and clock sources of switched mode power supplies (SMPSs) in a mobile station. Switching frequency is scaled to an optimal value in response to at least one of (i) a change in mode of operation for wireless communication employed by the mobile station, an additional mode of operation is triggered, (ii) a change in operation conditions of a set of loads associated with functionality of the mobile is determined, or (iii) an LO spur set-off by a SMPS in the presence of an interference signal with a frequency splitting from an operational band that matches the SMPS frequency or at least one of its harmonics. Switching frequencies can be selected from a lookup table, or through an analysis of switching frequencies available to the mobile and operational criteria. A set of clock sources can provide an ensemble of switching frequencies.
摘要翻译：提供了一种或多种系统和方法，用于在移动台中动态地缩放交换模式电源（SMPS）的开关频率和时钟源。响应于（i）移动台采用的无线通信的操作模式的变化中的至少一个，切换频率被缩放到最佳值，触发附加操作模式，（ii）操作条件的变化确定与移动台的功能相关联的一组负载，或者（iii）在存在来自与SMPS频率匹配的操作频带的频率分割的干扰信号的情况下，由SMPS发出的LO引导断开，或至少一个的谐波。切换频率可以从查找表中选择，也可以通过分析可用于移动和操作标准的切换频率。一组时钟源可以提供开关频率的集合。

10. 发明授权

US08044723B2 Oscillator signal generation with spur mitigation in a wireless communication device 有权
标题翻译：在无线通信设备中产生振荡器信号并产生振荡
公开(公告)号：US08044723B2
公开(公告)日：2011-10-25
申请号：US11868824
申请日：2007-10-08
申请人： Hong Sun Kim , Jin Wook Kim , Gang Zhang , Jeremy Darren Dunworth , Timothy Paul Pals
发明人： Hong Sun Kim , Jin Wook Kim , Gang Zhang , Jeremy Darren Dunworth , Timothy Paul Pals
IPC分类号： H03L7/107
CPC分类号： H03L7/193 , H03L7/107 , H03L7/1976
摘要： Techniques for generating oscillator signals in a wireless communication device are described. A phase-locked loop (PLL) may be used to generate an oscillator signal for a selected frequency channel. Different PLL settings may be used for the blocks in the PLL for different frequency channels. The different PLL settings may be for different PLL loop bandwidths, different amounts of charge pump current, different frequency equations associated with different sets of high and low divider ratios, different frequency division schemes associated with different prescaler ratios and/or different integer divider ratios, high side or low side injection for a super-heterodyne receiver or transmitter, and/or different supply voltages for one or more circuit blocks such as an oscillator. A suitable set of PLL settings may be selected for each frequency channel such that adverse impact due to spurs can be mitigated.
摘要翻译：描述了在无线通信设备中产生振荡器信号的技术。可以使用锁相环（PLL）来产生所选频道的振荡器信号。对于不同的频率通道，PLL中的块可能使用不同的PLL设置。不同的PLL设置可能是针对不同的PLL环路带宽，不同的电荷泵浦电流量，与不同的高和低分频比组相关的不同频率方程，与不同的预分频比和/或不同的整数分频比相关的不同分频方案，用于超外差接收器或发射器的高侧或低侧注入，和/或用于一个或多个电路块（例如振荡器）的不同电源电压。可以为每个频道选择合适的一组PLL设置，从而可以减轻由于刺激引起的不利影响。

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