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    • 43. 发明申请
    • METHOD FOR PREDICTING PHASE PATTERN USING MAGNITUDE PATTERN IN NEAR-FIELD OR FRESNEL FIELD
    • 用于在近场或场地场景中使用磁场图案预测相位图案的方法
    • US20120162031A1
    • 2012-06-28
    • US13334530
    • 2011-12-22
    • Soon-Soo OhSeong-Min KimYoung-Hwan Lee
    • Soon-Soo OhSeong-Min KimYoung-Hwan Lee
    • G01R29/10
    • G01R29/10
    • Disclosed is a method for predicting a phase pattern using a magnitude pattern in near-field or Fresnel field formed by antenna radiation, including: determining a first parameter group including a first actual distance between a source antenna and a probe and the magnitude pattern at the first distance; assuming a second parameter group including a second distance that is an effective distance between the source antenna and the probe, a current magnitude distribution of the source antenna and a current phase distribution of the source antenna, based on the first parameter group; calculating the magnitude pattern at the first distance based on the second parameter group; and determining the phase pattern at the first distance when the magnitude pattern at the calculated first distance matches with the magnitude pattern at the first distance included in the first parameter group by the comparison therebetween.
    • 公开了一种使用由天线辐射形成的近场或菲涅尔域中的幅度图案来预测相位图案的方法,包括:确定包括源天线和探头之间的第一实际距离的第一参数组和 第一距离 假设基于所述第一参数组,包括所述源天线和所述探测器之间的有效距离的第二距离,所述源天线的电流幅度分布和所述源天线的当前相位分布的第二参数组; 基于第二参数组计算第一距离处的幅度图; 以及当所计算的第一距离处的幅度图案与包括在第一参数组中的第一距离处的幅度图案之间进行比较时,确定第一距离处的相位图案。
    • 44. 发明申请
    • GAIN CONTROL APPARATUS AND METHOD IN RECEIVER OF MULTIBAND OFDM SYSTEM
    • 多频OFDM系统接收机的增益控制装置及方法
    • US20100136939A1
    • 2010-06-03
    • US12507474
    • 2009-07-22
    • Seong-Min KimByung-Su KangGweon-Do JoJae-Ho JungJoon-Hyung KimHeon-Kook KwonSung-Jun LeeKwang-Chun Lee
    • Seong-Min KimByung-Su KangGweon-Do JoJae-Ho JungJoon-Hyung KimHeon-Kook KwonSung-Jun LeeKwang-Chun Lee
    • H04B7/00
    • H04L27/2647H03G3/3068
    • 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.
    • 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。
    • 45. 发明申请
    • WIRELESS TRANSCEIVER SYSTEM FOR SUPPORTING DUAL MODE
    • 用于支持双模的无线收发系统
    • US20100118744A1
    • 2010-05-13
    • US12447104
    • 2007-05-03
    • Heon-Kook KwonJoon-Hyung KimSeong-Min KimYun-Soo KoJae-Ho JungKwang-Chun Lee
    • Heon-Kook KwonJoon-Hyung KimSeong-Min KimYun-Soo KoJae-Ho JungKwang-Chun Lee
    • H04B7/005H04B7/00H04J3/00
    • H04B1/406H04B1/52H04B1/54
    • The present invention relates to a wireless transceiver system for supporting a dual mode, and more particularly to a wireless transceiver system for supporting a dual mode that simultaneously supports the Frequency Division Duplex (FDD) method and the Time Division Duplex (TDD) method in a certain frequency band. The present system supports the FDD system conducting transmission and reception simultaneously by using different frequency bands for transmission and reception as well as the TDD system temporally alternating transmission and reception by using the common frequency band among an upper frequency band and a lower frequency band used in the FDD system as well as another frequency band adjacent thereto, thereby selectively supporting both of the two communication systems in a wireless transceiver system. Therefore, efficient use of various wireless communication standards and the limited frequency resource is provided, and on this basis, an efficient application of all wireless transceiver systems adopting the TDD system and the FDD system as well as the mobile communication base station and the terminal is provided.
    • 本发明涉及一种用于支持双模式的无线收发器系统,更具体地涉及一种用于支持同时支持频分双工(FDD)方法和时分双工(TDD)方法的双模式的无线收发器系统, 某些频段。 本系统支持FDD系统,通过使用不同的频带进行发送和接收,并且通过使用在上述频带中使用的较高频带和较低频带中的公共频带来进行时间上交替的发送和接收,同时进行发送和接收 FDD系统以及与其相邻的另一频带,从而在无线收发器系统中选择性地支持两个通信系统。 因此,提供了各种无线通信标准和有限频率资源的有效利用,并且在此基础上,采用TDD系统和FDD系统以及移动通信基站和终端的所有无线收发机系统的有效应用是 提供。
    • 46. 发明申请
    • ANTENNA MATCHING DEVICE AND TRANSCEIVER HAVING THE SAME
    • 天线匹配装置和具有相同功能的收发器
    • US20080136729A1
    • 2008-06-12
    • US11929863
    • 2007-10-30
    • Byung-Su KANGJae-Ho JungSeong-Min KimKwang-Chun Lee
    • Byung-Su KANGJae-Ho JungSeong-Min KimKwang-Chun Lee
    • H01Q1/50
    • H04B1/18
    • The present invention relates to an antenna matching device that varies a frequency bandwidth according to mobile communication services, and to a transceiver having the same. To this end, an exemplary embodiment of the present invention provides a transceiver that varies a frequency band and a bandwidth according to required services in a mobile communication system, the transceiver including an antenna matching controller that generates a prescribed switch control signal according to a service requested by a user, an antenna variable matching unit that variably forms a matching circuit according to the switch control signal to be transmitted from the antenna matching controller and varies the frequency band and the bandwidth, an analog processing unit that processes a signal to be transmitted/received through the antenna variable matching unit, and a wideband antenna that transmits/receives a radio frequency according to the frequency band and the bandwidth set by the antenna variable matching unit. Another exemplary embodiment of the present invention provides an antenna matching device including a resistor that reduces a frequency bandwidth, an inductor that reduces a frequency passing band, a capacitor and a resistor that increase the frequency passing band, and switches that control the operations of the inductor and the capacitor. According to the present invention, unnecessary radiation power of a variable matching unit can be minimized, and maximum transmission power required according to services can be reduced. In addition, system construction costs can be reduced, and a user capacity can be increased.
    • 本发明涉及根据移动通信业务改变频率带宽的天线匹配装置以及具有该天线匹配装置的收发信机。 为此,本发明的示例性实施例提供了一种根据移动通信系统中的所需服务来改变频带和带宽的收发器,该收发器包括:天线匹配控制器,其根据服务产生规定的开关控制信号 用户请求的天线可变匹配单元,根据要从天线匹配控制器发送的切换控制信号可变地形成匹配电路并改变频带和带宽;模拟处理单元,处理要传输的信号 通过天线可变匹配单元接收的宽带天线,以及根据由天线可变匹配单元设定的频带和带宽发射/接收射频的宽带天线。 本发明的另一个示例性实施例提供了一种天线匹配装置,其包括降低频率带宽的电阻器,减小频率通过的电感器,增加频率通过频带的电容器和电阻器,以及控制 电感和电容。 根据本发明,可以使可变匹配单元的不必要的辐射功率最小化,并且可以减少根据服务所需的最大发射功率。 此外,可以降低系统构造成本,能够提高用户容量。
    • 48. 发明授权
    • Apparatus and method for detecting radiated power
    • 用于检测辐射功率的装置和方法
    • US08547284B2
    • 2013-10-01
    • US12962308
    • 2010-12-07
    • Seong-Min Kim
    • Seong-Min Kim
    • G01R29/10
    • G01R29/10
    • A radiated power detection apparatus including a reception antenna and a probe in a Fresnel zone determines a measurement parameter of a wireless communication device and coincides central points of an antenna that is included in the wireless communication device, the reception antenna, and the probe. Next, the radiated power detection apparatus measures the magnitude of an electric field corresponding to at least one measurement point while transferring the reception antenna and the probe according to a measurement parameter, calculates the magnitude of a maximum electric field in a far-field using the magnitude of an electric field, and thus detects radiated power of the wireless communication device based on the magnitude of a maximum electric field.
    • 包括菲涅尔区域中的接收天线和探测器的辐射功率检测装置确定无线通信设备的测量参数,并且使包括在无线通信设备,接收天线和探测器中的天线的中心点重合。 接下来,辐射功率检测装置在根据测量参数传送接收天线和探头的同时测量与至少一个测量点相对应的电场的幅度,使用该方法计算远场中的最大电场的大小 电场的大小,从而基于最大电场的大小检测无线通信装置的辐射功率。