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    • 5. 发明公开
    • 에스디에이치방식의 브이씨 매핑시스템 및 그 제어방법
    • SDH VC映射系统及其控制方法
    • KR1020020056422A
    • 2002-07-10
    • KR1020000085776
    • 2000-12-29
    • 엘지전자 주식회사
    • 전기용
    • H04L12/43
    • H04L12/422H04J3/0623H04J2203/0082
    • PURPOSE: An SDH virtual container(VC) mapping system and its control method are provided to simplify an internal logic circuit of a VC mapping system and considerably reduce its production cost by integrating C0/C1 control blocks in one control block and multiplexing data by modes while implementing a 1/3 U1 waiting time jitter reduction algorithm. CONSTITUTION: A corresponding mode is set and a system is set up(S1). A system clock is assigned in a 1/3 UI method and frame pulse signals are generated according to each mode of T1-T2 and an E1 signal(S2). One signal is selected to select a corresponding individual mapping unit block among a plurality of frame pulses as generated, and generated as a before address(S3). A wad and a rad of a corresponding channel is multiplexed from corresponding individual mapping unit block according to the generated before address signal(S4).
    • 目的:提供一种SDH虚拟容器(VC)映射系统及其控制方法,以简化VC映射系统的内部逻辑电路,并通过将C0 / C1控制块集成在一个控制块中并通过模式复用数据大大降低了其生产成本 同时实现1/3 U1等待时间抖动降低算法。 构成:设置相应的模式并设置系统(S1)。 以1/3 UI方式分配系统时钟,根据T1-T2的每个模式和E1信号(S2)生成帧脉冲信号。 选择一个信号以选择生成的多个帧脉冲之间的对应的单独映射单位块,并且作为之前的地址生成(S3)。 根据所生成的地址信号(S4),从相应的单独映射单元块复用相应信道的串和rad。