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    • 8. 发明公开
    • 동적으로 프로그램 가능한 수신기
    • 动态可编程接收器
    • KR1020050073576A
    • 2005-07-14
    • KR1020057007034
    • 2003-10-30
    • 퀄컴 인코포레이티드
    • 치카렐리스티븐씨
    • H04B1/10
    • H04K3/228H04B1/109H04B1/71H04K3/224
    • Disclosed is a novel and improved dynamically programmable linear receiver which provides the required level of system performance with reduced power consumption. In one embodiment, disclosed is a programmable receiver coupled to a jammer detector for detecting the presence of jamming in an RF signal, the jammer detector coupled to a state machine, and the state machine having means for controlling the receiver based on the results of the jammer detector detecting the presence of jamming in the RF signal. The disclosed receiver is capable of detecting the presence of jammers, with a means to adjust the bias current downward if no jammers are present, which improves the receiver's standby time and prolongs battery life.
    • 公开了一种新颖和改进的动态可编程线性接收机,其提供了降低的功耗所需的系统性能水平。 在一个实施例中,公开了一种可编程接收器,其耦合到干扰检测器,用于检测RF信号中的干扰的存在,耦合到状态机的干扰检测器,以及状态机具有用于基于 干扰检测器检测RF信号中是否存在干扰。 所公开的接收机能够检测干扰器的存在,如果没有干扰器存在,则具有向下调整偏置电流的手段,这改善了接收机的待机时间并延长了电池寿命。
    • 10. 发明公开
    • 이동통신 기지국용 GPS 항재밍 장치,및 GPS 항재밍 장치를 포함하는 GPS 항재밍 시스템
    • 用于移动基站的GPS防伪装置和包括GPS防伪装置的GPS防卡系统
    • KR1020130036540A
    • 2013-04-12
    • KR1020110100682
    • 2011-10-04
    • 주식회사 케이티
    • 김정휘이종식이상록김현표
    • H04K3/00H04B1/10
    • H04K3/228G01S19/23H04B1/1027
    • PURPOSE: A GPS(Global Positioning Service) anti-jamming device for a mobile communication base station and a system including the same are provided to control errors in a mobile communication network by controlling the GPS reception offset of a synchronization device based on the operation information of the anti-jamming device. CONSTITUTION: An anti-jamming module(214) eliminates a GPS jamming signal from a GPS reception signal in a digital frequency filtering method. A delay time measuring unit(218) measures delay time generated by eliminating the GPS jamming signal. A communication modem(216) provides the measured delay time to a synchronization device(300) of a mobile communication base station. The synchronization device generates the synchronization signal by using a GPS signal compensated by the measured delay time. [Reference numerals] (202) Gamming signal detecting unit; (204) Frequency down converter; (208) Digital filter; (212) Frequency up converter; (216) Communication modem; (218) Delay time measuring unit; (220) Control unit; (302) GPS receiving unit; (304) Synchronization signal generating unit; (306) Control unit; (400) Base station management system;
    • 目的:提供一种用于移动通信基站的GPS(全球定位服务)抗干扰装置及其系统,用于通过基于操作信息控制同步装置的GPS接收偏移来控制移动通信网络中的错误 的抗干扰装置。 构成:抗干扰模块(214)以数字频率滤波方式消除了来自GPS接收信号的GPS干扰信号。 延迟时间测量单元(218)测量通过消除GPS干扰信号而产生的延迟时间。 通信调制解调器(216)将所测量的延迟时间提供给移动通信基站的同步设备(300)。 同步装置通过使用被测量的延迟时间补偿的GPS信号来生成同步信号。 (附图标记)(202)游标信号检测单元; (204)降频转换器; (208)数字滤波器; (212)升频转换器; (216)通讯调制解调器 (218)延时测量单元; (220)控制单元; (302)GPS接收单元; (304)同步信号生成部; (306)控制单元; (400)基站管理系统;