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    • 31. 发明公开
    • CDMA 디지털 다중화 통신시스템
    • CDMA数字多路传输通信系统
    • KR1020010000797A
    • 2001-01-05
    • KR1020000061731
    • 2000-10-19
    • 인오시스템 주식회사
    • 최명흥
    • H04B7/216
    • H04B7/2628H04B10/2575H04L27/206
    • PURPOSE: A code division multiple access(CDMA) multiplex communication system is provided to transmit CDMA analog signals of a baseband through digital multiplying, thereby transceiving of tens of channels in one optical cable, and to integratedly operate a network so that remote units(RUs) are increased and channels can be re-arranged for the RUs without changing a system. CONSTITUTION: A donor unit(DU,2) converts code division multiple access(CDMA) signals of a base transceiver station-channel bank(BTS-CB,1) of a base station into CDMA signals of a baseband, and delivers the converted signals to a remote unit(RU,3). The RU(3) converts CDMA analog signals received from a wireless terminal into digital signals of the baseband, and outputs the digital signals to the DU(2) through multiplication. The DU(2) converts digital signals received from the RU(3) into CDMA analog signals, and delivers the converted analog signals to the BTS-CB(1).
    • 目的:提供码分多址(CDMA)复用通信系统,通过数字乘法传输基带的CDMA模拟信号,从而在一根光缆中收发数十个信道,并综合运行网络,使得远程单元 )增加,并且可以在不更改系统的情况下重新布置RU的信道。 构成:施主单元(DU,2)将基站的基站收发台信道组(BTS-CB,1)的码分多址(CDMA)信号转换为基带的CDMA信号,并将转换后的信号 到远程单元(RU,3)。 RU(3)将从无线终端接收的CDMA模拟信号转换为基带的数字信号,并通过乘法将数字信号输出到DU(2)。 DU(2)将从RU(3)接收的数字信号转换为CDMA模拟信号,并将转换的模拟信号传送到BTS-CB(1)。
    • 32. 发明公开
    • 광신호 분배통신시스템
    • 光信号通信系统
    • KR1020000012820A
    • 2000-03-06
    • KR1019990064718
    • 1999-12-29
    • 인오시스템 주식회사이재승
    • 이재승
    • H04B10/03H04B10/275H04B10/2581
    • H04J14/0287H04B10/2575H04J14/0283H04J2203/006
    • PURPOSE: An optical signal division communication system which can make more stable communication between units even in case of breaking of optical fiber by using light wave length division multiplexed ring mechanism as a signal upward and downward transmission line in order to embody a code division multiple access system. CONSTITUTION: The optical signal division communication system includes a single donor unit (1) communicating with BTS (5) and processing CDMA data and a plurality of remote units (2) connected to the donor unit (1) via optical fiber rings () and (4) of two ways. In transmission, the donor unit (1) and remote units (2) send the same signal to the two ways and selects one of the two ways in reception. The system has a switch changing a final receiving direction where a signal exists in case of cutting the optical fiber in the remote units (2), and the donor unit (1) receives signals from the optical fiber rings (3) and (4) of the two ways. This invention assures the rapid network reconstruction by using the optical wave length division multiple ring mechanism in case of breaking of the transmission line.
    • 目的:一种光信号分配通信系统,即使在使用光波长分离复用环机制作为信号上下传输线路的情况下也能够在单元之间进行更稳定的通信,以体现码分多址 系统。 构成:光信号分割通信系统包括与BTS(5)通信并且处理CDMA数据的单个供体单元(1)和经由光纤环()连接到施主单元(1)的多个远程单元(2) (4)两种方式。 在传输中,供体单元(1)和远程单元(2)发送相同的信号到两种方式,并在接收中选择两种方式之一。 系统具有切换在远程单元(2)中切割光纤的情况下存在信号的最终接收方向的开关,并且施主单元(1)从光纤环(3)和(4)接收信号, 的两种方式。 本发明通过在传输线断开的情况下通过使用光波长分割多环机构来确保快速网络重建。
    • 36. 发明公开
    • 적응형 광학 채널 보상
    • 自适应光通道补偿
    • KR1020170042327A
    • 2017-04-18
    • KR1020177006691
    • 2015-08-11
    • 자일링크스 인코포레이티드
    • 레세아,오스틴,에이치.트림버거,스테판,엠.
    • H04B10/58H04B10/2507H04B10/07H04B10/2575
    • H04B10/2507H04B10/07H04B10/2575H04B10/58
    • 일반적으로적응형광학채널보상과관련된시스템에서, 적응모듈(100)은제 1 데이터신호(101) 및제 2 데이터신호(102)를수신하도록결합되고그리고제 1 정보및 제 2 정보를제공하도록결합된분석모듈(115)을포함한다. 비교모듈(113, 174)은, 제 3 정보를제공하기위해서제 1 정보및 제 2 정보를비교하도록결합된다. 조정모듈(114, 176)은, 제 1 데이터신호(101)에대하여제 2 데이터신호(102)의왜곡을보상하기위한제 4 정보를제공하기위해제 3 정보를수신하도록결합된다. 제 2 데이터신호(102)는광학채널(312)을통한통신을위해제 1 데이터신호(101)를광학신호(311)로변환하는것과연관된다.
    • 一般来说,该系统与自适应光学信道补偿器,适配模块100银色第一数据信号101 mitje被耦合以接收第二数据信号102和第一信息和耦合到提供第二信息的分析相关联的 模块。 组合比较模块113和174以比较第一信息和第二信息以提供第三信息。 调整模块(114,176)是液体被耦合以接收以提供第四信息用于第二数据信号(102)的失真相对于所述第一数据信号101,以补偿所述第三信息。 第二数据信号102与将第一数据信号101转换成用于通过光信道312进行通信的光信号311相关联。
    • 38. 发明公开
    • 분산 안테나 시스템의 리모트 장치
    • 分布式天线系统的远程装置
    • KR1020160076331A
    • 2016-06-30
    • KR1020140186412
    • 2014-12-22
    • 주식회사 쏠리드
    • 유영주
    • H04B10/2575H04B10/40
    • H04B10/2575H04B10/25751H04B10/40
    • 리모트장치는, 제1 다운링크신호를입력받는제1 신호분기부와, 다운링크광 신호를입력받고다운링크광 신호를제2 다운링크신호로변환하는광 송수신부와, 제1 신호분기부와연결되는제1 입력단자및 광송수신부와연결되는제2 입력단자와, 출력단자사이의연결을스위칭하는제1 스위치부와, 제1 입력단자또는제2 입력단자가출력단자에연결되도록제1 스위치부를제어하는제어부, 및출력단자로부터출력되는제1 다운링크신호또는제2 다운링크신호를증폭하는증폭부를포함한다.
    • 本发明涉及一种用于分布式天线系统的远程装置,其能够直接从基站接收射频(RF)信号,并且处理并将该信号发送到用户终端。 远程装置包括:第一信号分支单元,接收第一下行链路信号; 光发送和接收单元接收下行链路光信号以将其转换成第二下行链路信号; 第一开关单元切换输出端子和连接到第一信号分支单元的第一输入端子与连接到光发送和接收单元的第二输入端子之间的连接; 控制单元,控制第一开关单元以允许第一或第二输入端子连接到输出端子; 以及放大单元,放大从输出端子输出的第一或第二下行链路信号。