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    • 16. 发明授权
    • Apparatus for monitoring asynchronous transfer mode cells in communication systems
    • 用于监视通信系统中异步传输模式单元的装置
    • US06970436B2
    • 2005-11-29
    • US09847347
    • 2001-05-03
    • Jae Young Park
    • Jae Young Park
    • H04L12/56H04B7/00
    • H04L12/5601H04L2012/5607H04L2012/5636
    • An apparatus for monitoring asynchronous transfer mode cells in the communication system is proper for recognizing state information of asynchronous transfer mode cells transceiving between a base transceiver station and a base station controller. Accordingly, the apparatus enables to monitor the contents of the cell by comparing VPI/VCI of the ATM cells inputted to the multiplexing/demultiplexing part to the other VPI/VCI latched hardware, have the cell bus RX I/F count the number of the error-occurring ATM cells by carrying out header error checks of the ATM cells inputted to the cell bus RX I/F itself, and find out how long the cell transferring time takes for transceiving loop is found out by transceiving the test ATM cells between the multiplexing/demultiplexing part being the ATM low rate subscriber multiplexing/demultiplexing board assembly (ALMA) and the base transceiver station.
    • 用于监视通信系统中的异步传输模式小区的装置适用于识别在基站和基站控制器之间收发的异步传输模式小区的状态信息。 因此,该装置能够通过将输入到复用/解复用部分的ATM信元的VPI / VCI与其他VPI / VCI锁存硬件进行比较来监视小区的内容,具有信元总线RX I / F的数量 通过对输入到信元总线RX I / F本身的ATM信元进行报头错误检查,发现出现ATM ATM信元的错误发生,并且通过在ATM接收单元之间收发测试ATM信元,找出信元传送时间对收发环路所需的时间 复用/解复用部分是ATM低速率用户复用/解复用板组合(ALMA)和基站收发台。