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    • 2. 发明授权
    • Digital polar modulator for a switch mode RF power amplifier
    • 用于开关模式RF功率放大器的数字极化调制器
    • US09025700B2
    • 2015-05-05
    • US14365885
    • 2011-12-16
    • Pylyp OstrovskyyJohann Christoph ScheyttJae Ho JungBong Hyuk ParkSung Jun Lee
    • Pylyp OstrovskyyJohann Christoph ScheyttJae Ho JungBong Hyuk ParkSung Jun Lee
    • H04L27/36H03F3/217H03M3/00H04L25/49
    • H04L27/367H03F3/2175H03M3/404H04L25/4927
    • A digital polar modulator (DPM) for transforming a baseband signal into a modulated digital modulator output signal comprises an input unit and two low-pass delta-sigma modulators, a first one being connected downstream from the first input part and configured to provide at its output a first pulse train in dependence on an amplitude- modulating baseband signal component, and a second one being connected downstream from the second input part and configured to provide at its output a multilevel quantized signal in dependence on a phase modulating baseband signal component; a multiphase generator, which is configured to provide a set of square-wave carrier signals having a common carrier frequency and exhibiting discrete phase shifts with respect to each other; a multiplexer, which is configured to provide a multiplexer output signal that is formed by switching, in dependence on a signal received at a select input as a function of time, between selected ones of the carrier signals; and a combiner unit.
    • 用于将基带信号变换为调制数字调制器输出信号的数字极调制器(DPM)包括输入单元和两个低通Δ-Σ调制器,第一个调制器连接在第一输入部分的下游, 根据幅度调制基带信号分量输出第一脉冲序列,第二脉冲序列连接在第二输入部分的下游,并且被配置为根据相位调制基带信号分量在其输出端提供多级量化信号; 多相发生器,其被配置为提供具有相同载波频率并且相对于彼此呈现离散相移的一组方波载波信号; 多路复用器,其被配置为提供多路复用器输出信号,所述多路复用器输出信号通过根据在选择输入端接收的信号作为时间的函数在所选择的载波信号之间进行切换而形成; 和组合器单元。
    • 3. 发明申请
    • DIGITAL POLAR MODULATOR FOR A SWITCH MODE RF POWER AMPLIFIER
    • 数字极性调制器,用于开关模式RF功率放大器
    • US20140307825A1
    • 2014-10-16
    • US14365885
    • 2011-12-16
    • Pylyp OstrovskyyJohann Christoph ScheyttJae Ho JungBong Hyuk ParkSung Jun Lee
    • Pylyp OstrovskyyJohann Christoph ScheyttJae Ho JungBong Hyuk ParkSung Jun Lee
    • H04L27/36H03M3/00H03F3/217H04L25/49
    • H04L27/367H03F3/2175H03M3/404H04L25/4927
    • A digital polar modulator (DPM) for transforming a baseband signal into a modulated digital modulator output signal comprises an input unit and two low-pass delta-sigma modulators, a first one being connected downstream from the first input part and configured to provide at its output a first pulse train in dependence on an amplitude- modulating baseband signal component, and a second one being connected downstream from the second input part and configured to provide at its output a multilevel quantized signal in dependence on a phase modulating baseband signal component; a multiphase generator, which is configured to provide a set of square-wave carrier signals having a common carrier frequency and exhibiting discrete phase shifts with respect to each other; a multiplexer, which is configured to provide a multiplexer output signal that is formed by switching, in dependence on a signal received at a select input as a function of time, between selected ones of the carrier signals; and a combiner unit.
    • 用于将基带信号变换为调制数字调制器输出信号的数字极调制器(DPM)包括输入单元和两个低通Δ-Σ调制器,第一个调制器连接在第一输入部分的下游, 根据幅度调制基带信号分量输出第一脉冲序列,第二脉冲序列连接在第二输入部分的下游,并且被配置为根据相位调制基带信号分量在其输出端提供多级量化信号; 多相发生器,其被配置为提供具有相同载波频率并且相对于彼此呈现离散相移的一组方波载波信号; 多路复用器,其被配置为提供多路复用器输出信号,所述多路复用器输出信号通过根据在选择输入端接收的信号作为时间的函数在所选择的载波信号之间进行切换而形成; 和组合器单元。
    • 4. 发明授权
    • Method of measuring error vector magnitude
    • 测量误差矢量幅度的方法
    • US08798124B2
    • 2014-08-05
    • US13614130
    • 2012-09-13
    • Sung Jun LeeYoung-Hoon KimJae Ho Jung
    • Sung Jun LeeYoung-Hoon KimJae Ho Jung
    • H04B3/46H04B17/00H04Q1/20
    • H04L25/0232H04B17/21H04L5/0048
    • A method of checking an error vector magnitude of transmitter in accordance with some embodiments of the inventive concept may include dividing a transmission baseband signal which the transmitter transmits into a plurality of processing units; performing a transmitter function and an ideal receiver function with respect to each of the plurality of processing units; generating a reception baseband signal by recombining a processing result of each of the plurality of processing units; and calculating an error vector magnitude (EVM) by comparing the transmission baseband signal with the reception baseband signal. A simplified method of checking an error vector magnitude of transmitter in accordance with some embodiments of the inventive concept may include generating symbols composed of only pilots; generating symbol composed of only data; and checking an error vector magnitude (EVM) using the all the symbols.
    • 根据本发明构思的一些实施例的检查发射机的误差向量幅度的方法可以包括将发射机发送的发射基带信号划分成多个处理单元; 针对所述多个处理单元中的每一个执行发送功能和理想的接收功能; 通过重新组合多个处理单元中的每一个的处理结果来产生接收基带信号; 以及通过将所述发送基带信号与所述接收基带信号进行比较来计算误差向量幅度(EVM)。 根据本发明构思的一些实施例,检查发射机的误差矢量幅度的简化方法可以包括产生仅由导频组成的符号; 生成仅由数据组成的符号; 并使用所有符号检查误差矢量幅度(EVM)。
    • 5. 发明授权
    • Amplifier structure and amplification method thereof
    • 放大器结构及其放大方法
    • US08521104B2
    • 2013-08-27
    • US13335481
    • 2011-12-22
    • Sung Jun LeeJae Ho Jung
    • Sung Jun LeeJae Ho Jung
    • H04B1/04
    • H03F3/24H03F3/217H03F2200/331
    • Provided is an amplifier structure. The amplifier structure includes a delta-sigma modulator, an up converter, a power amplifier, and a band-pass filter. The delta-sigma modulator receives an IF signal to delta-sigma modulate the IF signal. The up converter up-converts a frequency of the delta-sigma modulated signal with an LO signal. The power amplifier amplifies a power of the up-converted signal. The band-pass filter filters the amplified signal of a selected band. The amplifier structure performs the delta-sigma modulation operation on an IF input signal, and thus can considerably decrease a delta-sigma modulation operation speed compared to a typical amplifier structure and moderate the specification in implementing a power amplifier.
    • 提供了放大器结构。 放大器结构包括Δ-Σ调制器,上变频器,功率放大器和带通滤波器。 Δ-Σ调制器接收IF信号到Δ-Σ调制IF信号。 上变频器用LO信号上变频Δ-Σ调制信号的频率。 功率放大器放大上变频信号的功率。 带通滤波器对所选频带的放大信号进行滤波。 放大器结构对IF输入信号执行Δ-Σ调制操作,因此与典型的放大器结构相比可以显着地降低Δ-Σ调制操作速度,并适度实现功率放大器的规范。
    • 7. 发明授权
    • Radio frequency receiver
    • 射频接收机
    • US08774747B2
    • 2014-07-08
    • US13488902
    • 2012-06-05
    • Seok-bong HyunBong Hyuk ParkYun Ho ChoiJae Ho Jung
    • Seok-bong HyunBong Hyuk ParkYun Ho ChoiJae Ho Jung
    • H04B1/10H03D1/06
    • H03F3/45179H03F3/72H03F2200/294H03F2203/45302H03F2203/45394H03F2203/7236
    • A radio frequency receiver of the present invention removes out-of-band jamming signals and interference signals without SAW filters. The radio frequency receiver includes: a low noise amplifier amplifying a signal received through an antenna; a second order intermodulation cancellation unit removing second order intermodulation caused by an out-of-band jamming or interference signal included in the signal output from the low noise amplifier; a passive mixer unit converting a frequency of the signal output from the second order intermodulation cancellation unit; and a low pass filter unit removing an out-of-band jamming or interference signal included in the signal output from the passive mixer unit and delivering the signal with the out-of-band jamming or interference signal removed therefrom to a transimpedance amplifier.
    • 本发明的射频接收机在没有SAW滤波器的情况下去除带外干扰信号和干扰信号。 射频接收机包括:放大通过天线接收的信号的低噪声放大器; 二阶互调消除单元去除由低噪声放大器输出的信号中包含的带外干扰或干扰信号引起的二阶互调; 无源混频器单元,转换从二阶互调消除单元输出的信号的频率; 以及低通滤波器单元,去除从无源混频器单元输出的信号中包含的带外干扰或干扰信号,并且将从其去除的带外干扰或干扰信号的信号传送到跨阻抗放大器。
    • 8. 发明申请
    • RADIO FREQUENCY RECEIVER
    • 无线电频率接收机
    • US20130135048A1
    • 2013-05-30
    • US13488902
    • 2012-06-05
    • Seok-bong HYUNBong Hyuk ParkYun Ho ChoiJae Ho Jung
    • Seok-bong HYUNBong Hyuk ParkYun Ho ChoiJae Ho Jung
    • H03F3/45H03F3/16
    • H03F3/45179H03F3/72H03F2200/294H03F2203/45302H03F2203/45394H03F2203/7236
    • A radio frequency receiver of the present invention removes out-of-band jamming signals and interference signals without SAW filters. The radio frequency receiver includes: a low noise amplifier amplifying a signal received through an antenna; a second order intermodulation cancellation unit removing second order intermodulation caused by an out-of-band jamming or interference signal included in the signal output from the low noise amplifier; a passive mixer unit converting a frequency of the signal output from the second order intermodulation cancellation unit; and a low pass filter unit removing an out-of-band jamming or interference signal included in the signal output from the passive mixer unit and delivering the signal with the out-of-band jamming or interference signal removed therefrom to a transimpedance amplifier.
    • 本发明的射频接收机在没有SAW滤波器的情况下去除带外干扰信号和干扰信号。 射频接收机包括:放大通过天线接收的信号的低噪声放大器; 二阶互调消除单元去除由低噪声放大器输出的信号中包含的带外干扰或干扰信号引起的二阶互调; 无源混频器单元,转换从二阶互调消除单元输出的信号的频率; 以及低通滤波器单元,去除从无源混频器单元输出的信号中包含的带外干扰或干扰信号,并且将从其去除的带外干扰或干扰信号的信号传送到跨阻抗放大器。
    • 9. 发明申请
    • TRICARBONYL TECHNETIUM-99m OR RHENIUM-188 LABELED CYCLIC RGD DERIVATIVES, A PREPARATION METHOD THEREOF, AND A PHARMACEUTICAL COMPOSITION CONTAINING THE DERIVATIVES AS AN ACTIVE INGREDIENT FOR USE IN THE DIAGNOSIS OR TREATMENT OF ANGIOGENESIS-RELATED DISEASES
    • 三溴联苯技术-99m或RHENIUM-188标记循环RGD衍生物及其制备方法,以及含有衍生物作为活性成分的药物组合物用于诊断或治疗血管发生相关性疾病
    • US20130064766A1
    • 2013-03-14
    • US13699511
    • 2011-05-24
    • Byung Chul LeeSang Eun KimJi Sun KimByung Seok MoonJae Ho Jung
    • Byung Chul LeeSang Eun KimJi Sun KimByung Seok MoonJae Ho Jung
    • A61K51/08C07K1/13A61P9/00C07K7/64
    • A61K51/088A61K51/082C07D273/06C07D498/06C07D498/16C07K7/64G01N33/574G01N33/60
    • The present invention relates to tricarbonyl technetium-99m or rhenium-188 labeled cyclic RGD derivatives, a preparation method thereof, and a pharmaceutical composition containing the derivative as an active ingredient for use in the diagnosis or treatment (radiotherapy) of angiogenesis-related diseases. The tricarbonyl technetium-99m or rhenium-188 labeled cyclic RGD derivatives of the present invention has a high subnanomolar affinity to integrin αvβ3 (also called as a vitronectin receptor) that is activated in an angiogenic action induced by a tumor, reflects a high tumor image of the tricatvonyl technetium-99m labeled cyclic RGD derivative after initial intake in an animal in which cancer cells are transplanted, and acts exclusively upon cancer cells having selectively activated integrin αvβ3 because of a substantially low intake into the liver and intestines, compared to existing known radioactive isotope labeled cyclic RGD derivatives. These results show that the rhenium-188 labeled derivative, a therapeutic nuclide using the same precursor as used in the technetium-99m labeling, effectively inhibits the growth of a tumor and demonstrates therapeutic efficacy when administered via tail vein injection to an animal model bearing tumor, compared to a case where only saline has been injected, thereby making it useful as a medicine for the diagnosis or treatment of angiogenesis-related diseases.
    • 本发明涉及三羰基锝-99m或铼-188标记的环状RGD衍生物,其制备方法和含有该衍生物作为血管生成相关疾病的诊断或治疗(放射治疗)的有效成分的药物组合物。 本发明的三羰基锝-99m或铼-188标记的环状RGD衍生物在由肿瘤诱导的血管生成作用中被激活的整联蛋白αv&bgr 3(也称为玻连蛋白受体)具有高亚纳摩尔亲和力,反映了高 在移植了癌细胞的动物中,首先摄入三氯乙酰锝-99m标记的环状RGD衍生物的肿瘤图像,并且完全作用于具有选择性活化整联蛋白αv&bgr3的癌细胞,因为进入肝脏和肠的摄入量很低, 与现有已知的放射性同位素标记的环状RGD衍生物相比。 这些结果表明,使用与锝-99m标记中使用的相同前体的治疗性核素的铼-188标记的衍生物有效地抑制肿瘤的生长,并且当通过尾静脉注射施用于携带肿瘤的动物模型时显示出治疗功效 ,与仅注射盐水的情况相比,可以用作诊断或治疗血管发生相关疾病的药物。
    • 10. 发明授权
    • Front-end apparatus of wireless transceiver using RF passive elements
    • 使用RF无源元件的无线收发器的前端设备
    • US09136612B2
    • 2015-09-15
    • US13619960
    • 2012-09-14
    • Heon Kook KwonByung Su KangJae Ho Jung
    • Heon Kook KwonByung Su KangJae Ho Jung
    • H01Q21/28
    • H01Q21/28
    • Disclosed is a front-end apparatus of an RF transceiver connected with an antenna in a wireless communication system. The front-end apparatus of an RF transceiver using radio-frequency passive elements includes: a plurality of band pass filters configured a transmission signal and a reception signal; a first circulator configured to output a first transmission signal to a second terminal and output a second reception signal input; a second circulator configured to output a second transmission signal input into the first terminal to the second terminal and output a first reception signal input into the second terminal to the third terminal; a passive directional double pole and double throw switch configured to process a route to be changed depending on directions of an input and an output; a first antenna configured to transmit the first transmission signal; and a second antenna configured to transmit the second transmission.
    • 公开了一种在无线通信系统中与天线连接的RF收发器的前端装置。 使用射频无源元件的RF收发器的前端装置包括:配置有发送信号和接收信号的多个带通滤波器; 第一循环器,被配置为将第一发送信号输出到第二终端,并输出第二接收信号输入; 第二循环器,被配置为将输入到所述第一端子的第二传输信号输出到所述第二端子,并将输入到所述第二端子的第一接收信号输出到所述第三端子; 被动方向双极双掷开关,被配置为根据输入和输出的方向处理要改变的路线; 第一天线,被配置为发送所述第一发送信号; 以及被配置为发送所述第二传输的第二天线。