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41. 发明申请

US20090079509A1 LC QUADRATURE OSCILLATOR HAVING PHASE AND AMPLITUDE MISMATCH COMPENSATOR 失效
标题翻译：具有相位和幅度误差补偿器的LC QUADRATURE振荡器
公开(公告)号：US20090079509A1
公开(公告)日：2009-03-26
申请号：US11859523
申请日：2007-09-21
申请人： Sangjin Byun , Chang-Ho Lee , Haksun Kim , Joy Laskar
发明人： Sangjin Byun , Chang-Ho Lee , Haksun Kim , Joy Laskar
IPC分类号： H03B5/18 , H03K3/03
CPC分类号： H03B27/00 , H03B5/1215 , H03B5/1228 , H03B5/1243 , H03B2200/0078
摘要： Embodiments of the invention may provide for an LC quadrature oscillator that includes two LC oscillators that are cross-coupled with each other to generate I/Q clock signals and a phase and amplitude mismatch compensator. The phase and amplitude mismatch detector may include an amplitude mismatch detectors a transconductor, and a capacitor for compensating for both phase and amplitude mismatches between I/Q clock signals generated in the LC quadrature oscillator.
摘要翻译：本发明的实施例可以提供一种LC正交振荡器，其包括彼此交叉耦合以产生I / Q时钟信号的两个LC振荡器以及相位和幅度失配补偿器。相位和幅度失配检测器可以包括跨导体的幅度失配检测器和用于补偿在LC正交振荡器中产生的I / Q时钟信号之间的相位和幅度失配的电容器。

42. 发明授权

US07482962B2 Systems, methods, and apparatuses for digital wavelet generators for Multi-Resolution Spectrum Sensing of Cognitive Radio applications 失效
标题翻译：用于认知无线电应用的多分辨率频谱感测的数字小波发生器的系统，方法和装置
公开(公告)号：US07482962B2
公开(公告)日：2009-01-27
申请号：US11778565
申请日：2007-07-16
申请人： Taejoong Song , Jongmin Park , Youngsik Hur , Kyutae Lim , Chang-Ho Lee , Jeongsuk Lee , Kihong Kim , Seongsoo Lee , Haksun Kim , Joy Laskar
发明人： Taejoong Song , Jongmin Park , Youngsik Hur , Kyutae Lim , Chang-Ho Lee , Jeongsuk Lee , Kihong Kim , Seongsoo Lee , Haksun Kim , Joy Laskar
IPC分类号： H03M1/66
CPC分类号： H04L27/0004
摘要： Embodiments of the invention may provide for digital wavelet generators utilized in providing flexible spectrum-sensing resolutions for a Multi-Resolution Spectrum Sensing (MRSS) technique. Embodiments of the invention may provide for either multi-point or multi-rate digital wavelet generators. These digital wavelet generators may utilizing the same hardware resource optimally, and the various wavelet bases may be generated by changing the memory addressing schemes or clock speeds.
摘要翻译：本发明的实施例可以提供用于为多分辨率频谱感测（MRSS）技术提供灵活的频谱感测分辨率的数字小波发生器。本发明的实施例可以提供多点或多速率数字小波发生器。这些数字小波发生器可以最佳地利用相同的硬件资源，并且可以通过改变存储器寻址方案或时钟速度来生成各种小波基。

43. 发明申请

US20080024336A1 Systems, Methods, and Apparatuses for a Long Delay Generation Technique for Spectrum-Sensing of Cognitive Radios 失效
标题翻译：用于长时间生成技术的系统，方法和装置，用于认知无线电的频谱感知
公开(公告)号：US20080024336A1
公开(公告)日：2008-01-31
申请号：US11778557
申请日：2007-07-16
申请人： Jongmin Park , Taejoong Song , Kyutae Lim , Chang-Ho Lee , Jeongsuk Lee , Kihong Kim , Seongsoo Lee , Haksun Kim , Joy Laskar
发明人： Jongmin Park , Taejoong Song , Kyutae Lim , Chang-Ho Lee , Jeongsuk Lee , Kihong Kim , Seongsoo Lee , Haksun Kim , Joy Laskar
IPC分类号： H03M1/00
CPC分类号： H04B17/382
摘要： Embodiments of the present invention may provide for a long delay generator for the spectrum sensing of cognitive radio systems. The long delay generator may comprise of an Analog-to-Digital Converter (ADC), memory element, and Digital-to-Analog Converter (DAC). The memory element may utilize shift register bank or Random-Access Memory (RAM) cells. The long delay generator may provide for a selectable delay by digitizing the received signal, delaying the received signal in the digital domain, and reconstructing the delayed signal as an analog. The analog delayed signal may then be compared or otherwise correlated with the original input signal using an analog auto-correlation technique to determine whether a meaningful signal type has been identified or otherwise detected.
摘要翻译：本发明的实施例可以提供用于认知无线电系统的频谱感测的长延迟发生器。长延迟发生器可以包括模数转换器（ADC），存储器元件和数模转换器（DAC）。存储器元件可以利用移位寄存器组或随机存取存储器（RAM）单元。长延迟发生器可以通过数字化接收的信号，延迟数字域中的接收信号，并将延迟的信号重建为模拟来提供可选择的延迟。然后可以使用模拟自相关技术将模拟延迟信号与原始输入信号进行比较或相关，以确定是否已识别或以其他方式检测到有意义的信号类型。

44. 发明授权

US07936215B2 Multi-segment primary and multi-turn secondary transformer for power amplifier systems 有权
标题翻译：用于功率放大器系统的多段主，多匝二次变压器
公开(公告)号：US07936215B2
公开(公告)日：2011-05-03
申请号：US12416268
申请日：2009-04-01
申请人： Chang-Ho Lee , Ockgoo Lee , Jeonghu Han , Kyu Hwan An , Hyungwook Kim , Dong Ho Lee , Ki Seok Yang , Haksun Kim , Joy Laskar
发明人： Chang-Ho Lee , Ockgoo Lee , Jeonghu Han , Kyu Hwan An , Hyungwook Kim , Dong Ho Lee , Ki Seok Yang , Haksun Kim , Joy Laskar
IPC分类号： H03F1/00
CPC分类号： H03F1/565 , H01F27/2804 , H03F3/195 , H03F3/211 , H03F3/45475 , H03F2200/387 , H03F2200/391 , H03F2200/399 , H03F2200/402 , H03F2200/451 , H03F2200/541 , H03F2203/45138 , Y10T29/5313
摘要： Embodiments of the invention may provide for power amplifier systems and methods. The systems and methods may include a power amplifier that generates a first differential output signal and a second differential output signal, a primary winding comprised of a plurality of primary segments, where a first end of each primary segment is connected to a first common input port and a second end of each primary segment is connected to a second common input port, where the first common input port is operative to receive the first differential output signal, and where the second common input port is operative to receive the second differential output signal, and a single secondary winding inductively coupled to the plurality of primary segments.
摘要翻译：本发明的实施例可以提供功率放大器系统和方法。系统和方法可以包括产生第一差分输出信号和第二差分输出信号的功率放大器，由多个主要段组成的初级绕组，其中每个主要段的第一端连接到第一公共输入端口并且每个主要段的第二端连接到第二公共输入端口，其中第一公共输入端口用于接收第一差分输出信号，并且其中第二公共输入端口用于接收第二差分输出信号，以及电感耦合到所述多个初级段的单个次级绕组。

45. 发明授权

US07812701B2 Compact multiple transformers 有权
标题翻译：紧凑型多变压器
公开(公告)号：US07812701B2
公开(公告)日：2010-10-12
申请号：US11970995
申请日：2008-01-08
申请人： Dong Ho Lee , Ki Seok Yang , Chang-Ho Lee , Haksun Kim , Joy Laskar
发明人： Dong Ho Lee , Ki Seok Yang , Chang-Ho Lee , Haksun Kim , Joy Laskar
IPC分类号： H01F5/00
CPC分类号： H01F27/2804
摘要： Example embodiments of the invention may provide systems and methods for multiple transformers. The systems and methods may include a first transformer that may include a first primary winding and a first secondary winding, where the first primary winding may be inductively coupled to the first secondary winding, where the first transformer may be associated with a first rotational current flow direction in the first primary winding. The systems and methods may further include a second transformer that may include a second primary winding and a second secondary winding, where the second primary winding may be inductively coupled to the second secondary winding, where the second transformer may be associated with a second rotational current flow direction opposite the first rotational current flow direction in the second primary winding, where a first section of the first primary winding may be positioned adjacent to a second section of the second primary winding, and where the adjacent first and second sections may include a substantially same first linear current flow direction.
摘要翻译：本发明的示例性实施例可以提供用于多个变压器的系统和方法。系统和方法可以包括可以包括第一初级绕组和第一次级绕组的第一变压器，其中第一初级绕组可以感应耦合到第一次级绕组，其中第一变压器可以与第一转子电流方向在第一次初级绕组。所述系统和方法还可以包括可包括第二初级绕组和第二次级绕组的第二变压器，其中第二初级绕组可以感应耦合到第二次级绕组，其中第二变压器可以与第二转子电流相关联流动方向与第二初级绕组中的第一旋转电流流动方向相反，其中第一初级绕组的第一部分可以邻近第二初级绕组的第二部分定位，并且其中相邻的第一和第二部分可以包括基本上相同的第一线性电流流动方向。

46. 发明申请

US20080272849A1 Active Baluns 失效
标题翻译：主动平衡不平衡
公开(公告)号：US20080272849A1
公开(公告)日：2008-11-06
申请号：US11970192
申请日：2008-01-07
申请人： Dong Ho Lee , Ki Seok Yang , Yunseok Kim , Sanghee Kim , Hyogeun Bae , Kijoong Kim , Li Lee , Songcheol Hong , Chang-Ho Lee , Haksun Kim , Joy Laskar
发明人： Dong Ho Lee , Ki Seok Yang , Yunseok Kim , Sanghee Kim , Hyogeun Bae , Kijoong Kim , Li Lee , Songcheol Hong , Chang-Ho Lee , Haksun Kim , Joy Laskar
IPC分类号： H03H11/32
CPC分类号： H03H11/32 , H03F1/223 , H03F3/195 , H03F3/4508 , H03F3/45179 , H03F3/45632 , H03F2200/06 , H03F2203/45301 , H03F2203/45304 , H03F2203/45306 , H03F2203/45318 , H03F2203/45562 , H03F2203/45631 , H03F2203/45644 , H03F2203/45648 , H03F2203/45702
摘要： Example embodiments of the invention may provide for active baluns. An example active balun may include a resonator that may convert a single-ended input signal to at least two differential input signals, and a differential switching block that includes first and second transistors that each receive a respective one of the at least two differential input signals from the resonator, where the first and second transistors may be cross-coupled to each other to provide a first differential output signal and a second differential output signal. An example active balun may further include one or more loads connected to the first and second differential output signals, and one or more stacked inverters that may provide a first output port and a second output port, where the first output port may be responsive to the first differential output signal and the second output port may be responsive to the second differential output signal.
摘要翻译：本发明的示例性实施例可以提供主动巴伦。示例性主动平衡 - 不平衡变换器可以包括可以将单端输入信号转换为至少两个差分输入信号的谐振器，以及包括第一和第二晶体管的差分开关块，每个晶体管接收至少两个差分输入信号中的相应一个其中所述第一和第二晶体管可以彼此交叉耦合以提供第一差分输出信号和第二差分输出信号。主动平衡 - 不平衡变换器的示例还可以包括连接到第一和第二差分输出信号的一个或多个负载，以及可以提供第一输出端口和第二输出端口的一个或多个堆叠逆变器，其中第一输出端口可以响应于第一差分输出信号和第二输出端口可以响应于第二差分输出信号。

47. 发明申请

US20080034171A1 Systems, Methods, and Apparatuses for Digital Wavelet Generators for Multi-Resolution Spectrum Sensing of Cognitive Radio Applications 失效
标题翻译：用于数字小波发生器的系统，方法和装置，用于认知无线电应用的多分辨率频谱感测
公开(公告)号：US20080034171A1
公开(公告)日：2008-02-07
申请号：US11778565
申请日：2007-07-16
申请人： Taejoong Song , Jongmin Park , Youngsik Hur , Kyutae Lim , Chang-Ho Lee , Jeongsuk Lee , Kihong Kim , Seongsoo Lee , Haksun Kim , Joy Laskar
发明人： Taejoong Song , Jongmin Park , Youngsik Hur , Kyutae Lim , Chang-Ho Lee , Jeongsuk Lee , Kihong Kim , Seongsoo Lee , Haksun Kim , Joy Laskar
IPC分类号： G06F12/00
CPC分类号： H04L27/0004
摘要： Embodiments of the invention may provide for digital wavelet generators utilized in providing flexible spectrum-sensing resolutions for a Multi-Resolution Spectrum Sensing (MRSS) technique. Embodiments of the invention may provide for either multi-point or multi-rate digital wavelet generators. These digital wavelet generators may utilizing the same hardware resource optimally, and the various wavelet bases may be generated by changing the memory addressing schemes or clock speeds.
摘要翻译：本发明的实施例可以提供用于为多分辨率频谱感测（MRSS）技术提供灵活的频谱感测分辨率的数字小波发生器。本发明的实施例可以提供多点或多速率数字小波发生器。这些数字小波发生器可以最佳地利用相同的硬件资源，并且可以通过改变存储器寻址方案或时钟速度来生成各种小波基。

48. 发明申请

US20070092045A1 Systems, Methods, and Apparatuses for Fine-Sensing Modules 审中-公开
标题翻译：用于精细传感模块的系统，方法和装置
公开(公告)号：US20070092045A1
公开(公告)日：2007-04-26
申请号：US11458280
申请日：2006-07-18
申请人： Wangmyong Woo , Chang-Ho Lee , Jungsuk Lee , Haksun Kim
发明人： Wangmyong Woo , Chang-Ho Lee , Jungsuk Lee , Haksun Kim
IPC分类号： H04L27/06
CPC分类号： H04L27/0012 , H04B1/406
摘要： Systems, methods, and apparatuses are provided for fine-sensing modules that are operative for identifying one or more signal types from an input radio frequency (RF) signal. The fine-sensing modules may include a multiplier that combines an RF input signal and a delayed RF input signal to produce a correlation signal and an integrator that receives the correlation signal from the multiplier, where the integrator determines correlation values from integrating the correlation signal. The fine-sensing module also includes a comparator in communication with the integrator that compares the correlation values to one or more thresholds to generate information indicative of at least one signal feature of the RF input signal.
摘要翻译：提供了用于从输入射频（RF）信号识别一个或多个信号类型的精细感测模块的系统，方法和装置。精细感测模块可以包括组合RF输入信号和延迟的RF输入信号以产生相关信号的乘法器，以及从乘法器接收相关信号的积分器，其中积分器从积分相关信号确定相关值。精细感测模块还包括与积分器通信的比较器，其将相关值与一个或多个阈值进行比较，以产生指示RF输入信号的至少一个信号特征的信息。

49. 发明申请

US20070091998A1 Systems, Methods, and Apparatuses for Spectrum-Sensing Cognitive Radios 失效
标题翻译：用于频谱感知认知无线电的系统，方法和设备
公开(公告)号：US20070091998A1
公开(公告)日：2007-04-26
申请号：US11458249
申请日：2006-07-18
申请人： Wangmyong Woo , Chang-Ho Lee , Jungsuk Lee , Haksun Kim
发明人： Wangmyong Woo , Chang-Ho Lee , Jungsuk Lee , Haksun Kim
IPC分类号： H04B7/216 , H04N7/12 , H04Q7/20
CPC分类号： H04B1/406 , H04W16/14
摘要： Systems, methods, and apparatuses are provided for spectrum-sensing cognitive radios that are operative to detect and utilize available RF spectrum resources. The spectrum-sensing cognitive radios include at least one antenna and a frequency-agile radio front-end module in communication with the at least one antenna and configured to transmit and receive radio frequency signals via the at least one antenna. In addition, a spectrum-sensing module, which may include one or both of coarse-sensing and fine-sensing modules, may be in communication with the at least one antenna and be configured to generate RF spectrum usage information. A medium access control (MAC) module is operative to receive the RF spectrum usage information from the spectrum-sensing module. Based upon the received RF spectrum usage information, the MAC module is operative to direct a frequency of operation of the radio front-end module based at least in part on the received spectrum usage information.
摘要翻译：提供了用于检测和利用可用RF频谱资源的频谱感知认知无线电的系统，方法和装置。频谱感知认知无线电包括与所述至少一个天线通信的至少一个天线和频率敏捷无线电前端模块，并被配置为经由所述至少一个天线发射和接收射频信号。此外，可以包括粗略感测和精细感测模块中的一个或两个的频谱感测模块可以与至少一个天线通信，并且被配置为生成RF频谱使用信息。媒体访问控制（MAC）模块用于从频谱感测模块接收RF频谱使用信息。基于所接收的RF频谱使用信息，MAC模块至少部分地基于所接收的频谱使用信息来操作以指导无线电前端模块的操作频率。

50. 发明授权

US07710919B2 Systems, methods, and apparatuses for spectrum-sensing cognitive radios 失效
标题翻译：用于频谱感知认知无线电的系统，方法和装置
公开(公告)号：US07710919B2
公开(公告)日：2010-05-04
申请号：US11458249
申请日：2006-07-18
申请人： Wangmyong Woo , Chang-Ho Lee , Jungsuk Lee , Haksun Kim
发明人： Wangmyong Woo , Chang-Ho Lee , Jungsuk Lee , Haksun Kim
IPC分类号： H04W4/00
CPC分类号： H04B1/406 , H04W16/14
摘要： Systems, methods, and apparatuses are provided for spectrum-sensing cognitive radios that are operative to detect and utilize available RF spectrum resources. The spectrum-sensing cognitive radios include at least one antenna and a frequency-agile radio front-end module in communication with the at least one antenna and configured to transmit and receive radio frequency signals via the at least one antenna. In addition, a spectrum-sensing module, which may include one or both of coarse-sensing and fine-sensing modules, may be in communication with the at least one antenna and be configured to generate RF spectrum usage information. A medium access control (MAC) module is operative to receive the RF spectrum usage information from the spectrum-sensing module. Based upon the received RF spectrum usage information, the MAC module is operative to direct a frequency of operation of the radio front-end module based at least in part on the received spectrum usage information.
摘要翻译：提供了用于检测和利用可用RF频谱资源的频谱感知认知无线电的系统，方法和装置。频谱感知认知无线电包括与所述至少一个天线通信的至少一个天线和频率敏捷无线电前端模块，并被配置为经由所述至少一个天线发射和接收射频信号。此外，可以包括粗略感测和精细感测模块中的一个或两个的频谱感测模块可以与至少一个天线通信，并且被配置为生成RF频谱使用信息。媒体访问控制（MAC）模块用于从频谱感测模块接收RF频谱使用信息。基于所接收的RF频谱使用信息，MAC模块至少部分地基于所接收的频谱使用信息来操作以指导无线电前端模块的操作频率。

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