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1. 发明授权

US08331490B2 Methods and apparatus for conditioning communications signals based on detection of high-frequency events in polar domain 有权
标题翻译：基于极地域高频事件检测的通信信号调理方法和装置
公开(公告)号：US08331490B2
公开(公告)日：2012-12-11
申请号：US12395981
申请日：2009-03-02
申请人： Hua Wang , Paul Cheng-Po Liang , Richard W. D. Booth , Stephan V. Schell , Thomas E. Biedka
发明人： Hua Wang , Paul Cheng-Po Liang , Richard W. D. Booth , Stephan V. Schell , Thomas E. Biedka
IPC分类号： H04L27/20
CPC分类号： H04L25/03866
摘要： Methods and apparatus for conditioning communications signals based on detection of high-frequency in the polar domain. High-frequency events detected in a phase-difference component of a complex baseband signal in the polar domain are detected and used as a basis for performing hole-blowing on the complex baseband signal in the quadrature domain and/or nonlinear filtering either or both the magnitude and phase-difference components in the polar domain. Alternatively, high-frequency events detected in the phase-difference signal that correlate in time with low-magnitude events detected in a magnitude component of the complex baseband signal are used as a basis for performing hole-blowing on the complex baseband signal in the quadrature domain and/or nonlinear filtering either or both the magnitude and phase-difference components in the polar domain.
摘要翻译：基于极区域中高频检测的通信信号调理方法和装置。检测在极坐标域中的复基带信号的相差分量中检测到的高频事件，并将其用作在正交域中的复基带信号上执行空气吹扫和/或非线性滤波的基础极化域中的幅度和相位差分量。或者，在相位差信号中检测到的与在复基带信号的幅度分量中检测到的低幅度事件相关的高频事件被用作在正交中的复基带信号上执行吹空的基础域和/或非线性滤波极化域中的幅度和相位差分量之一或两者。

2. 发明申请

US20090257526A1 METHODS AND APPARATUS FOR CONDITIONING COMMUNICATIONS SIGNALS BASED ON DETECTION OF HIGH-FREQUENCY EVENTS IN POLAR DOMAIN 有权
标题翻译：基于检测极域中高频事件的通信信号调理方法与装置
公开(公告)号：US20090257526A1
公开(公告)日：2009-10-15
申请号：US12395981
申请日：2009-03-02
申请人： Hua Wang , Paul Cheng-Po Liang , Richard W.D. Booth , Stephan V. Schell , Thomas E. Biedka
发明人： Hua Wang , Paul Cheng-Po Liang , Richard W.D. Booth , Stephan V. Schell , Thomas E. Biedka
IPC分类号： H04L27/36
CPC分类号： H04L25/03866
摘要： Methods and apparatus for conditioning communications signals based on detection of high-frequency in the polar domain. High-frequency events detected in a phase-difference component of a complex baseband signal in the polar domain are detected and used as a basis for performing hole-blowing on the complex baseband signal in the quadrature domain and/or nonlinear filtering either or both the magnitude and phase-difference components in the polar domain. Alternatively, high-frequency events detected in the phase-difference signal that correlate in time with low-magnitude events detected in a magnitude component of the complex baseband signal are used as a basis for performing hole-blowing on the complex baseband signal in the quadrature domain and/or nonlinear filtering either or both the magnitude and phase-difference components in the polar domain.
摘要翻译：基于极区域中高频检测的通信信号调理方法和装置。检测在极坐标域中的复基带信号的相差分量中检测到的高频事件，并将其用作在正交域中的复基带信号上执行空气吹扫和/或非线性滤波的基础极化域中的幅度和相位差分量。或者，在相位差信号中检测到的与在复基带信号的幅度分量中检测到的低幅度事件相关的高频事件被用作在正交中的复基带信号上执行吹空的基础域和/或非线性滤波极化域中的幅度和相位差分量之一或二者。

3. 发明授权

US09214718B2 Methods for characterizing tunable radio-frequency elements 有权
标题翻译：表征可调谐射频元件的方法
公开(公告)号：US09214718B2
公开(公告)日：2015-12-15
申请号：US13415195
申请日：2012-03-08
申请人： Matthew A. Mow , Thomas E. Biedka , Liang Han , Rocco V. Dragone, Jr. , Hongfei Hu , Dean F. Darnell , Joshua G. Nickel , Robert W. Schlub , Mattia Pascolini , Ruben Caballero
发明人： Matthew A. Mow , Thomas E. Biedka , Liang Han , Rocco V. Dragone, Jr. , Hongfei Hu , Dean F. Darnell , Joshua G. Nickel , Robert W. Schlub , Mattia Pascolini , Ruben Caballero
IPC分类号： G01R31/02 , H01Q1/24 , H01Q9/42 , H01Q5/328 , H04B17/12 , H04B17/16 , G01R31/28 , G01R27/32
CPC分类号： H01Q1/243 , G01R27/32 , G01R31/2822 , H01Q5/328 , H01Q9/42 , H04B17/12 , H04B17/16
摘要： A wireless electronic device may contain at least one antenna tuning element for use in tuning the operating frequency range of the device. The antenna tuning element may include radio-frequency switches, continuously/semi-continuously adjustable components such as tunable resistors, inductors, and capacitors, and other load circuits that provide desired impedance characteristics. A test station may be used to measure the radio-frequency characteristics associated with the tuning element. The test station may provide adjustable temperature, power, and impedance control to help emulate a true application environment for the tuning element without having to place the tuning element within an actual device during testing. The test system may include at least one signal generator and a tester for measuring harmonic distortion values and may include at least two signal generators and a tester for measuring intermodulation distortion values. During testing, the antenna tuning element may be placed in a series or shunt configuration.
摘要翻译：无线电子设备可以包含用于调整设备的工作频率范围的至少一个天线调谐元件。天线调谐元件可以包括射频开关，连续/半连续可调组件，例如可调电阻器，电感器和电容器，以及提供所需阻抗特性的其它负载电路。可以使用测试台来测量与调谐元件相关联的射频特性。测试台可以提供可调节的温度，功率和阻抗控制，以帮助模拟调谐元件的真实应用环境，而不必在测试期间将调谐元件放置在实际设备内。测试系统可以包括至少一个信号发生器和用于测量谐波失真值的测试器，并且可以包括用于测量互调失真值的至少两个信号发生器和测试器。在测试期间，天线调谐元件可以被放置成串联或分流配置。

4. 发明申请

US20130328582A1 Methods and Apparatus for Performing Wafer-Level Testing on Antenna Tuning Elements 有权
标题翻译：在天线调谐元件上进行晶片级测试的方法和装置
公开(公告)号：US20130328582A1
公开(公告)日：2013-12-12
申请号：US13494663
申请日：2012-06-12
申请人： Liang Han , Matthew A. Mow , Ming Tsai , Thomas E. Biedka , Robert W. Schlub , Ruben Caballero
发明人： Liang Han , Matthew A. Mow , Ming Tsai , Thomas E. Biedka , Robert W. Schlub , Ruben Caballero
IPC分类号： G01R31/00 , G01R31/26 , G01R35/00
CPC分类号： H01Q9/0442 , H01Q9/42 , H04B17/21
摘要： A test system for testing an antenna tuning element is provided. The test system may include a tester, a test fixture, and a probing structure. The probing structure may include probe tips configured to mate with corresponding solder bumps formed on a device under test (DUT) containing an antenna tuning element. The DUT may be tested in a shunt or series configuration. The tester may be electrically coupled to the test probe via first and second connectors on the test fixture. An adjustable load circuit that is coupled to the second connector may be configured in a selected state so that a desired amount of electrical stress may be presented to the DUT during testing. The tester may be used to obtain measurement results on the DUT. Systematic effects associated with the test structures may be de-embedded from the measured results to obtain calibrated results.
摘要翻译：提供了一种用于测试天线调谐元件的测试系统。测试系统可以包括测试仪，测试夹具和探测结构。探测结构可以包括配置成与包含天线调谐元件的被测器件（DUT）上形成的相应焊料凸块配合的探针尖端。 DUT可以在分流或串联配置下进行测试。测试器可以通过测试夹具上的第一和第二连接器电耦合到测试探针。耦合到第二连接器的可调节负载电路可以被配置为选择状态，使得在测试期间可以向DUT呈现期望量的电应力。测试仪可用于获得DUT上的测量结果。与测试结构相关的系统效应可以从测量结果中去嵌入，以获得校准结果。

5. 发明授权

US07688157B2 Selective envelope modulation enabling reduced current consumption 有权
标题翻译：选择性包络调制可降低电流消耗
公开(公告)号：US07688157B2
公开(公告)日：2010-03-30
申请号：US12079353
申请日：2008-03-25
申请人： Thomas E. Biedka , Paul Cheng-Po Liang , Gary L. Do
发明人： Thomas E. Biedka , Paul Cheng-Po Liang , Gary L. Do
IPC分类号： H03C1/00 , H03C3/00
CPC分类号： H03C5/00
摘要： A modulation system includes an amplitude modulation path and a phase modulation path coupled to the amplitude modulation path. One of the amplitude modulation path and the phase modulation path receive a reduced current such that the reduced current reduces power consumption by the system. Preferably, the amplitude modulation path receives the reduced current. The amplitude modulation path has a first set of components and a second set of components. The first set of components consumes less power by using slower operation. The second set of components consumes less power by effectively not operating, or being turned off.
摘要翻译：调制系统包括耦合到幅度调制路径的幅度调制路径和相位调制路径。幅度调制路径和相位调制路径中的一个接收减小的电流，使得减小的电流降低了系统的功耗。优选地，幅度调制路径接收减小的电流。幅度调制路径具有第一组分量和第二组分量。第一组组件通过使用较慢的操作消耗较少的功率。第二组组件通过有效地不运行或被关闭而消耗较少的功率。

6. 发明授权

US07042958B2 Digital time alignment in a polar modulator 有权
标题翻译：极坐标调制器中的数字时间校准
公开(公告)号：US07042958B2
公开(公告)日：2006-05-09
申请号：US10454906
申请日：2003-06-04
申请人： Thomas E. Biedka , Wayne S. Lee , Gary L. Do
发明人： Thomas E. Biedka , Wayne S. Lee , Gary L. Do
IPC分类号： H04K1/02
CPC分类号： H04L27/361 , H03C5/00
摘要： Methods of and apparatus for digitally controlling, with sub-sample resolution, the relative timing of the magnitude and phase paths in a polar modulator. The timing resolution is limited by the dynamic range of the system as opposed to the sample rate. The methods and apparatus of the invention use a digital filter to approximate a sub-sample time delay. Various techniques for approximating a sub-sample time delay using digital signal processing may be used to achieve the approximation. Ideally, the filter will have an all-pass magnitude response and a linear phase response. In practice, the magnitude may be low-pass and the phase may not be perfectly linear. Such deviation from the ideal response will introduce some distortion. However, this distortion may be acceptably small depending on the particular signal being processed.
摘要翻译：利用子样本分辨率数字控制的方法和装置，极坐标调制器中的幅度和相位路径的相对定时。定时分辨率受系统动态范围的限制，而不是采样率。本发明的方法和装置使用数字滤波器近似子采样时间延迟。可以使用用于使用数字信号处理近似子采样时间延迟的各种技术来实现近似。理想情况下，滤波器将具有全通幅度响应和线性相位响应。实际上，幅度可能是低通，相位可能不是完全线性的。这种偏离理想的反应会引入一些失真。然而，根据正在处理的特定信号，该失真可能是可接受的。

7. 发明申请

US20130234741A1 Methods for Characterizing Tunable Radio-Frequency Elements 有权
标题翻译：表征可调谐射频单元的方法
公开(公告)号：US20130234741A1
公开(公告)日：2013-09-12
申请号：US13415195
申请日：2012-03-08
申请人： Matthew A. Mow , Thomas E. Biedka , Liang Han , Rocco V. Dragone, JR. , Hongfei Hu , Dean F. Darnell , Joshua G. Nickel , Robert W. Schlub , Mattia Pascolini , Ruben Caballero
发明人： Matthew A. Mow , Thomas E. Biedka , Liang Han , Rocco V. Dragone, JR. , Hongfei Hu , Dean F. Darnell , Joshua G. Nickel , Robert W. Schlub , Mattia Pascolini , Ruben Caballero
IPC分类号： G01R31/02
CPC分类号： H01Q1/243 , G01R27/32 , G01R31/2822 , H01Q5/328 , H01Q9/42 , H04B17/12 , H04B17/16
摘要： A wireless electronic device may contain at least one antenna tuning element for use in tuning the operating frequency range of the device. The antenna tuning element may include radio-frequency switches, continuously/semi-continuously adjustable components such as tunable resistors, inductors, and capacitors, and other load circuits that provide desired impedance characteristics. A test station may be used to measure the radio-frequency characteristics associated with the tuning element. The test station may provide adjustable temperature, power, and impedance control to help emulate a true application environment for the tuning element without having to place the tuning element within an actual device during testing. The test system may include at least one signal generator and a tester for measuring harmonic distortion values and may include at least two signal generators and a tester for measuring intermodulation distortion values. During testing, the antenna tuning element may be placed in a series or shunt configuration.
摘要翻译：无线电子设备可以包含用于调整设备的工作频率范围的至少一个天线调谐元件。天线调谐元件可以包括射频开关，连续/半连续可调组件，例如可调电阻器，电感器和电容器，以及提供所需阻抗特性的其它负载电路。可以使用测试台来测量与调谐元件相关联的射频特性。测试台可以提供可调节的温度，功率和阻抗控制，以帮助模拟调谐元件的真实应用环境，而不必在测试期间将调谐元件放置在实际设备内。测试系统可以包括至少一个信号发生器和用于测量谐波失真值的测试器，并且可以包括用于测量互调失真值的至少两个信号发生器和测试器。在测试期间，天线调谐元件可以被放置成串联或分流配置。

8. 发明申请

US20120100813A1 SYSTEM FOR TESTING MULTI-ANTENNA DEVICES USING BIDIRECTIONAL FADED CHANNELS 审中-公开
标题翻译：使用双向渐变通道测试多天线设备的系统
公开(公告)号：US20120100813A1
公开(公告)日：2012-04-26
申请号：US13052381
申请日：2011-03-21
申请人： Matt A. Mow , Robert W. Schlub , Rocco V. Dragone, JR. , Ruben Caballero , Thomas E. Biedka
发明人： Matt A. Mow , Robert W. Schlub , Rocco V. Dragone, JR. , Ruben Caballero , Thomas E. Biedka
IPC分类号： H04B17/00
CPC分类号： H04B17/3911 , H04B7/10 , H04B17/12 , H04B17/16
摘要： A test system for testing multiple-input and multiple-output (MIMO) systems is provided. The test system may convey radio-frequency (RF) signals bidirectionally between a device under test (DUT) and at least one base station. The DUT may be placed within a test chamber during testing. An antenna mounting structure may surround the DUT. Multiple antennas may be mounted on the antenna mounting structure to transmit and receive RF signals to and from the DUT. A first group of dual-polarized antennas may be coupled to the base station through downlink circuitry. A second group of dual-polarized antennas may be coupled to the base station through uplink circuitry. The uplink and downlink circuitry may each include a splitter/combiner, channel emulators, amplifier circuits, and switch circuitry. The channel emulators and amplifier circuits may be configured to provide desired path loss, spatial interference, and channel characteristics to model real-world wireless network transmission.
摘要翻译：提供了一种用于测试多输入和多输出（MIMO）系统的测试系统。测试系统可以在被测设备（DUT）和至少一个基站之间双向地传送射频（RF）信号。在测试期间，DUT可以放置在测试室内。天线安装结构可以围绕DUT。可以在天线安装结构上安装多个天线以向DUT发送和接收RF信号。第一组双极化天线可以通过下行链路电路耦合到基站。第二组双极化天线可以通过上行链路电路耦合到基站。上行链路和下行链路电路可以各自包括分离器/组合器，信道仿真器，放大器电路和开关电路。信道仿真器和放大器电路可以被配置为提供期望的路径损耗，空间干扰和信道特性来建模真实世界的无线网络传输。

9. 发明授权

US07576615B2 Multi-point modulation and VCO compensation 有权
标题翻译：多点调制和VCO补偿
公开(公告)号：US07576615B2
公开(公告)日：2009-08-18
申请号：US11890597
申请日：2007-08-06
申请人： Thomas E. Biedka
发明人： Thomas E. Biedka
IPC分类号： H03L7/00
CPC分类号： H03L7/093 , H03C3/0925 , H03C3/0933 , H03C3/0941 , H03C3/095 , H03C3/0966 , H03C3/0991 , H03L2207/06
摘要： The present invention, generally speaking, provides a VCO linearization technique applicable to advanced loop architectures. In particular, the linearization technique is applicable to a mostly-digital frequency locked loop (FLL), phase locked loop (PLL) or the like using multi-point modulation. In an exemplary embodiment, a correction table is used to form a corrected control variable that affects one modulation point only (e.g., a fast modulation path) of the multi-point modulation circuit. The other modulation point (e.g., a slow modulation path) of the multi-point modulation circuit is controlled in accordance with an error-forming circuit including a loop filter. The use of correction within the fast path enables the VCO to achieve more rapid phase changes than would otherwise be possible, an advantage in high-data-rate communications applications, for example.
摘要翻译：本发明一般地提供一种适用于高级环路架构的VCO线性化技术。特别地，线性化技术可应用于使用多点调制的大多数数字锁相环（FLL），锁相环（PLL）等。在示例性实施例中，校正表用于形成影响多点调制电路的一个调制点（例如，快速调制路径）的校正控制变量。根据包括环路滤波器的误差形成电路来控制多点调制电路的另一调制点（例如，慢调制路径）。在快速通路中使用校正使得VCO能够实现比否则可能的更快速的相位变化，例如在高数据速率通信应用中的优点。

10. 发明申请

US20080246550A1 Selective envelope modulation enabling reduced current consumption 有权
标题翻译：选择性包络调制可降低电流消耗
公开(公告)号：US20080246550A1
公开(公告)日：2008-10-09
申请号：US12079353
申请日：2008-03-25
申请人： Thomas E. Biedka , Paul Cheng-Po Liang , Gary L. Do
发明人： Thomas E. Biedka , Paul Cheng-Po Liang , Gary L. Do
IPC分类号： H03C3/38 , H03C1/00
CPC分类号： H03C5/00
摘要： A modulation system includes an amplitude modulation path and a phase modulation path coupled to the amplitude modulation path. One of the amplitude modulation path and the phase modulation path receive a reduced current such that the reduced current reduces power consumption by the system. Preferably, the amplitude modulation path receives the reduced current. The amplitude modulation path has a first set of components and a second set of components. The first set of components consumes less power by using slower operation. The second set of components consumes less power by effectively not operating, or being turned off.
摘要翻译：调制系统包括耦合到幅度调制路径的幅度调制路径和相位调制路径。幅度调制路径和相位调制路径中的一个接收减小的电流，使得减小的电流降低了系统的功耗。优选地，幅度调制路径接收减小的电流。幅度调制路径具有第一组分量和第二组分量。第一组组件通过使用较慢的操作消耗较少的功率。第二组组件通过有效地不运行或被关闭而消耗较少的功率。

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