公开(公告)号：US08489043B2

公开(公告)日：2013-07-16

申请号：US13006038

申请日：2011-01-13

申请人： Gweon-Do Jo ,  Jung-Hoon Oh ,  Joon-Hyung Kim ,  Young-Hoon Kim ,  Jae-Ho Jung ,  Hyun-Kyu Chung

发明人： Gweon-Do Jo ,  Jung-Hoon Oh ,  Joon-Hyung Kim ,  Young-Hoon Kim ,  Jae-Ho Jung ,  Hyun-Kyu Chung

IPC分类号： H04B1/04 ,  H04K3/00

CPC分类号： H03F1/3247 ,  H03F1/26 ,  H03F3/24

摘要： A distortion compensation apparatus and an apparatus and method for transmitting a signal are provided. The distortion compensation apparatus can extract precise distortion information by adding an additional signal to an input signal during the compensation of distortion in a nonlinear apparatus, and can linearize the nonlinear properties of the nonlinear apparatus using the distortion information. The apparatus for transmitting a signal can output a signal linearized by the same method as that used by the distortion compensation apparatus.

摘要翻译： 提供了一种用于发送信号的失真补偿装置和装置和方法。 失真补偿装置可以通过在非线性装置的失真补偿期间向输入信号添加附加信号来提取精确的失真信息，并且可以使用失真信息线性化非线性装置的非线性特性。 用于发送信号的装置可以输出与由失真补偿装置使用的方法相同的方法线性化的信号。

公开(公告)号：US20120025909A1

公开(公告)日：2012-02-02

申请号：US13006038

申请日：2011-01-13

申请人： Gweon-Do Jo ,  Jung-Hoon Oh ,  Joon-Hyung Kim ,  Young-Hoon Kim ,  Jae-Ho Jung ,  Hyun-Kyu Chung

发明人： Gweon-Do Jo ,  Jung-Hoon Oh ,  Joon-Hyung Kim ,  Young-Hoon Kim ,  Jae-Ho Jung ,  Hyun-Kyu Chung

IPC分类号： H03F1/26

CPC分类号： H03F1/3247 ,  H03F1/26 ,  H03F3/24

摘要： A distortion compensation apparatus and an apparatus and method for transmitting a signal are provided. The distortion compensation apparatus can extract precise distortion information by adding an additional signal to an input signal during the compensation of distortion in a nonlinear apparatus, and can linearize the nonlinear properties of the nonlinear apparatus using the distortion information. The apparatus for transmitting a signal can output a signal linearized by the same method as that used by the distortion compensation apparatus.

摘要翻译： 提供了一种用于发送信号的失真补偿装置和装置和方法。 失真补偿装置可以通过在非线性装置的失真补偿期间向输入信号添加附加信号来提取精确的失真信息，并且可以使用失真信息线性化非线性装置的非线性特性。 用于发送信号的装置可以输出与由失真补偿装置使用的方法相同的方法线性化的信号。

公开(公告)号：US08648659B2

公开(公告)日：2014-02-11

申请号：US13329824

申请日：2011-12-19

申请人： Jung-Hoon Oh ,  Joon-Hyung Kim ,  Gweon-Do Jo ,  Young-Hoon Kim

发明人： Jung-Hoon Oh ,  Joon-Hyung Kim ,  Gweon-Do Jo ,  Young-Hoon Kim

IPC分类号： H03F1/26

CPC分类号： H03F1/0266 ,  H03F1/3247 ,  H03F3/24 ,  H03F2200/102 ,  H04L27/368

摘要： A digital pre-distortion (DPD) power amplifying apparatus and a method for digitally controlling synchronization of the DPD power amplifying apparatus, which includes a power amplifier, a bias shifter and a DPD unit, are provided. The method includes acquiring a DPD path delay time at a path along which an input signal is fed back to the DPD unit; delaying an input signal incoming to the power amplifier by the DPD path delay time and acquiring synchronization by delaying a bias signal a predetermined number of times until the bias signal and the delayed input signal are synchronized with each other; and in response to synchronization between the bias signal and the delayed input signal being established, pre-distorting the input signal according to a feedback signal output from the power amplifier.

摘要翻译： 提供了数字预失真（DPD）功率放大装置和用于数字控制DPD功率放大装置的同步的方法，其包括功率放大器，偏置移位器和DPD单元。 该方法包括在输入信号被反馈到DPD单元的路径处获取DPD路径延迟时间; 延迟通过DPD路径延迟时间输入到功率放大器的输入信号，并通过将偏置信号延迟预定次数获得同步，直到偏置信号和延迟的输入信号彼此同步; 并且响应于所建立的偏置信号和延迟的输入信号之间的同步，根据从功率放大器输出的反馈信号对输入信号进行预失真。

公开(公告)号：US20120154036A1

公开(公告)日：2012-06-21

申请号：US13329824

申请日：2011-12-19

申请人： Jung-Hoon OH ,  Joon-Hyung Kim ,  Gweon-Do Jo ,  Young-Hoon Kim

发明人： Jung-Hoon OH ,  Joon-Hyung Kim ,  Gweon-Do Jo ,  Young-Hoon Kim

IPC分类号： H03F1/26

CPC分类号： H03F1/0266 ,  H03F1/3247 ,  H03F3/24 ,  H03F2200/102 ,  H04L27/368

摘要： A digital pre-distortion (DPD) power amplifying apparatus and a method for digitally controlling synchronization of the DPD power amplifying apparatus, which includes a power amplifier, a bias shifter and a DPD unit, are provided. The method includes acquiring a DPD path delay time at a path along which an input signal is fed back to the DPD unit; delaying an input signal incoming to the power amplifier by the DPD path delay time and acquiring synchronization by delaying a bias signal a predetermined number of times until the bias signal and the delayed input signal are synchronized with each other; and in response to synchronization between the bias signal and the delayed input signal being established, pre-distorting the input signal according to a feedback signal output from the power amplifier.

摘要翻译： 提供了数字预失真（DPD）功率放大装置和用于数字控制DPD功率放大装置的同步的方法，其包括功率放大器，偏置移位器和DPD单元。 该方法包括在输入信号被反馈到DPD单元的路径处获取DPD路径延迟时间; 延迟通过DPD路径延迟时间输入到功率放大器的输入信号，并通过将偏置信号延迟预定次数获得同步，直到偏置信号和延迟的输入信号彼此同步; 并且响应于所建立的偏置信号和延迟的输入信号之间的同步，根据从功率放大器输出的反馈信号对输入信号进行预失真。

公开(公告)号：US20110063026A1

公开(公告)日：2011-03-17

申请号：US12883580

申请日：2010-09-16

申请人： Jae-Ho JUNG ,  Gweon-Do Jo ,  Young-Hoon Kim ,  Jung-Hoon Oh ,  Kwang-Chun Lee

发明人： Jae-Ho JUNG ,  Gweon-Do Jo ,  Young-Hoon Kim ,  Jung-Hoon Oh ,  Kwang-Chun Lee

IPC分类号： H03F1/26

CPC分类号： H03F1/3247 ,  H03F1/0266 ,  H03F3/189 ,  H03F3/24 ,  H03F2201/3233

摘要： A pre-distortion apparatus of a power amplifier includes: a pre-distortion unit configured to generate a pre-distorted signal of an input signal by calculating a magnitude of the input signal and outputting a complex correction coefficient corresponding to the calculated magnitude of the input signal, and provide the generated pre-distorted signal as an input of the power amplifier; and a complex correct coefficient update unit configured to generate an error signal by comparing an output signal of the power amplifier with the input signal and updating the complex correction coefficient to minimize a magnitude of the generated error signal, wherein the pre-distortion unit provides a constant bias value corresponding to the magnitude of the input signal as a bias of the power amplifier while updating the complex correction coefficient.

摘要翻译： 功率放大器的预失真装置包括：预失真单元，被配置为通过计算输入信号的幅度来产生输入信号的预失真信号，并输出与所计算的输入的幅度相对应的复数校正系数 信号，并且将生成的预失真信号提供给功率放大器的输入; 以及复数正确系数更新单元，其被配置为通过将所述功率放大器的输出信号与所述输入信号进行比较来生成误差信号，并更新所述复数校正系数以最小化所生成的误差信号的幅度，其中所述预失真单元提供 对应于作为功率放大器的偏置的输入信号的大小的恒定偏置值，同时更新复数校正系数。

公开(公告)号：US08018278B2

公开(公告)日：2011-09-13

申请号：US12883580

申请日：2010-09-16

申请人： Jae-Ho Jung ,  Gweon-Do Jo ,  Young-Hoon Kim ,  Jung-Hoon Oh ,  Kwang-Chun Lee

发明人： Jae-Ho Jung ,  Gweon-Do Jo ,  Young-Hoon Kim ,  Jung-Hoon Oh ,  Kwang-Chun Lee

IPC分类号： H03F1/26

CPC分类号： H03F1/3247 ,  H03F1/0266 ,  H03F3/189 ,  H03F3/24 ,  H03F2201/3233

摘要： A pre-distortion apparatus of a power amplifier includes: a pre-distortion unit configured to generate a pre-distorted signal of an input signal by calculating a magnitude of the input signal and outputting a complex correction coefficient corresponding to the calculated magnitude of the input signal, and provide the generated pre-distorted signal as an input of the power amplifier; and a complex correct coefficient update unit configured to generate an error signal by comparing an output signal of the power amplifier with the input signal and updating the complex correction coefficient to minimize a magnitude of the generated error signal, wherein the pre-distortion unit provides a constant bias value corresponding to the magnitude of the input signal as a bias of the power amplifier while updating the complex correction coefficient.

摘要翻译： 功率放大器的预失真装置包括：预失真单元，被配置为通过计算输入信号的幅度来产生输入信号的预失真信号，并输出与所计算的输入的幅度相对应的复数校正系数 信号，并且将生成的预失真信号提供给功率放大器的输入; 以及复数正确系数更新单元，其被配置为通过将所述功率放大器的输出信号与所述输入信号进行比较来生成误差信号，并更新所述复数校正系数以最小化所生成的误差信号的幅度，其中所述预失真单元提供 对应于作为功率放大器的偏置的输入信号的大小的恒定偏置值，同时更新复数校正系数。

公开(公告)号：US08213891B2

公开(公告)日：2012-07-03

申请号：US12507474

申请日：2009-07-22

申请人： Seong-Min Kim ,  Byung-Su Kang ,  Gweon-Do Jo ,  Jae-Ho Jung ,  Joon-Hyung Kim ,  Heon-Kook Kwon ,  Sung-Jun Lee ,  Kwang-Chun Lee

发明人： Seong-Min Kim ,  Byung-Su Kang ,  Gweon-Do Jo ,  Jae-Ho Jung ,  Joon-Hyung Kim ,  Heon-Kook Kwon ,  Sung-Jun Lee ,  Kwang-Chun Lee

IPC分类号： H04B1/06 ,  H04B7/00

CPC分类号： H04L27/2647 ,  H03G3/3068

摘要： A gain control apparatus in a receiver of multiband OFDM system includes: an amplifier amplifying a received signal based on a first auto gain control signal; an analog-to-digital converter for converting the amplified signal into a digital signal; band reception signal extractor for extracting a signal of a desired reception band from the converted digital signal for each reception band, and controlling gain of the extracted signal according to a second auto gain control signal; a reception power detector for detecting a reception power value of whole band from the converted digital signal; and a multiband integration baseband processor for generating the first auto gain control signal by using the detected reception power value of the whole band, and generating the second auto gain control signal to be provided to the band reception signal extraction units, resource allocation information for each band and a reception power for each reception band.

摘要翻译： 多频带OFDM系统的接收机中的增益控制装置包括：基于第一自动增益控制信号放大接收信号的放大器; 用于将放大的信号转换成数字信号的模拟 - 数字转换器; 频带接收信号提取器，用于从每个接收频带的转换的数字信号中提取期望的接收频带的信号，并根据第二自动增益控制信号控制所提取的信号的增益; 接收功率检测器，用于从转换的数字信号中检测整个频带的接收功率值; 以及多频带集成基带处理器，用于通过使用检测到的整个频带的接收功率值来产生第一自动增益控制信号，并且生成要提供给频带接收信号提取单元的第二自动增益控制信号，每个 频带和每个接收频带的接收功率。

公开(公告)号：US20100146021A1

公开(公告)日：2010-06-10

申请号：US12630150

申请日：2009-12-03

申请人： Gweon-Do Jo ,  Joon-Hyung Kim ,  Jae-Ho Jung ,  Kwang-Chun Lee

发明人： Gweon-Do Jo ,  Joon-Hyung Kim ,  Jae-Ho Jung ,  Kwang-Chun Lee

IPC分类号： G06F7/72

CPC分类号： G06F7/727

摘要： A modular-3 calculation method for binary number includes: determining whether two 1s consecutive from MSB exist in a binary number, when a target value for modular-3 calculation is inputted, and generating a first binary number by substituting the two 1s with 0 whenever the consecutive two 1s exist; performing a modular-3 calculation on the first binary number; and determining the result of the modular-3 calculation.

摘要翻译： 用于二进制数的模块3计算方法包括：当输入用于模块3计算的目标值时，确定从MSB连续存在的两个1是否存在二进制数，并且通过用0代替两个1来产生第一个二进制数 连续两个1存在; 对第一个二进制数执行模块3计算; 并确定模块3计算的结果。

公开(公告)号：US08391406B2

公开(公告)日：2013-03-05

申请号：US12620739

申请日：2009-11-18

申请人： Joon-Hyung Kim ,  Kwang-Chun Lee ,  Gweon-Do Jo ,  Jae-Ho Jung

发明人： Joon-Hyung Kim ,  Kwang-Chun Lee ,  Gweon-Do Jo ,  Jae-Ho Jung

IPC分类号： H04L25/49

CPC分类号： H04L27/361

摘要： Provided are a signal amplifying apparatus and method and a wireless transmitter using the same. The signal amplifier includes a polar coordinate converter configured to output an envelope signal and a phase signal by converting a signal to a polar coordinate, a multilevel quantizer configured to output a multilevel quantized signal by quantizing the envelope signal to multiple levels, an amplification state controller configured to control an amplification state using the multilevel quantized signal, and a power amplifier configured to amplify the phase signal according to the controlled amplification state.

摘要翻译： 提供了一种信号放大装置和方法以及使用该放大装置的无线发射机。 信号放大器包括：极坐标转换器，被配置为通过将信号转换为极坐标来输出包络信号和相位信号;多电平量化器，被配置为通过将包络信号量化为多个电平来输出多电平量化信号;放大状态控制器 被配置为使用所述多电平量化信号来控制放大状态，以及功率放大器，被配置为根据所述受控放大状态来放大所述相位信号。

公开(公告)号：US20100136939A1

公开(公告)日：2010-06-03

申请号：US12507474

申请日：2009-07-22

申请人： Seong-Min Kim ,  Byung-Su Kang ,  Gweon-Do Jo ,  Jae-Ho Jung ,  Joon-Hyung Kim ,  Heon-Kook Kwon ,  Sung-Jun Lee ,  Kwang-Chun Lee

发明人： Seong-Min Kim ,  Byung-Su Kang ,  Gweon-Do Jo ,  Jae-Ho Jung ,  Joon-Hyung Kim ,  Heon-Kook Kwon ,  Sung-Jun Lee ,  Kwang-Chun Lee

IPC分类号： H04B7/00

CPC分类号： H04L27/2647 ,  H03G3/3068

摘要： A gain control apparatus in a receiver of multiband OFDM system includes: an amplifier amplifying a received signal based on a first auto gain control signal; an analog-to-digital converter for converting the amplified signal into a digital signal; band reception signal extractor for extracting a signal of a desired reception band from the converted digital signal for each reception band, and controlling gain of the extracted signal according to a second auto gain control signal; a reception power detector for detecting a reception power value of whole band from the converted digital signal; and a multiband integration baseband processor for generating the first auto gain control signal by using the detected reception power value of the whole band, and generating the second auto gain control signal to be provided to the band reception signal extraction units, resource allocation information for each band and a reception power for each reception band.

摘要翻译： 多频带OFDM系统的接收机中的增益控制装置包括：基于第一自动增益控制信号放大接收信号的放大器; 用于将放大的信号转换成数字信号的模拟 - 数字转换器; 频带接收信号提取器，用于从每个接收频带的转换的数字信号中提取期望的接收频带的信号，并根据第二自动增益控制信号控制所提取的信号的增益; 接收功率检测器，用于从转换的数字信号中检测整个频带的接收功率值; 以及多频带集成基带处理器，用于通过使用检测到的整个频带的接收功率值来产生第一自动增益控制信号，并且生成要提供给频带接收信号提取单元的第二自动增益控制信号，每个 频带和每个接收频带的接收功率。