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    • 6. 发明公开
    • 무선가입자망 단말장치의 루프백 시험 장치 및 방법
    • 无线局域网(WLL)无线网络终端(RNT)的环回测试装置及方法
    • KR1020000061659A
    • 2000-10-25
    • KR1019990010870
    • 1999-03-30
    • 삼성전자주식회사
    • 박희석
    • H04B17/00
    • H04W24/04H04B17/14H04L43/50H04W84/14
    • PURPOSE: An apparatus and method for testing a loop-back of a wireless local loop(WLL) radio network terminal(RNT) is provided to directly control a RNT at a remote in a base station by testing the loop-back of a PCM(pulse code modulation) channel. CONSTITUTION: A modem(100) receives data from a base station or transmits received data to the base station. A micro controller(110) receives a PCM loop-back command from the base station through a signaling channel on a PCM common communication path and decodes the received PCM loop-back command. A control register(120) is connected to the micro controller(110), and controls a PCM loop-back function. A time switch(130) receives a network synchronous signal from the modem(100) and outputs the first control signal and a second control signal. The first multiplexer(140) extracts a signaling signal by the first control signal outputted from the time switch(130) and passes only data to be looped back. A second multiplexer(150) multiplexes the signaling data transmitted from the micro controller(110) to data through the first multiplexer(140) by the second control signal outputted from the time switch(130).
    • 目的:提供一种用于测试无线本地环路(WLL)无线电网络终端(RNT)的回送的装置和方法,以通过测试PCM的环回来直接控制基站中的远程处的RNT( 脉冲码调制)通道。 构成:调制解调器(100)从基站接收数据或将接收到的数据发送到基站。 微控制器(110)通过PCM公共通信路径上的信令信道从基站接收PCM回送命令,并解码所接收的PCM回送命令。 控制寄存器(120)连接到微控制器(110),并且控制PCM回送功能。 时间交换机(130)从调制解调器(100)接收网络同步信号并输出​​第一控制信号和第二控制信号。 第一多路复用器(140)通过从时间开关(130)输出的第一控制信号提取信令信号,并仅传送要循环的数据。 第二多路复用器(150)通过从时间开关(130)输出的第二控制信号,将从微控制器(110)发送的信令数据复用到通过第一多路复用器(140)的数据。