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    • 9. 发明授权
    • Ascending transmission speed controlling method and communication system in ATM-PON system
    • 在ATM-PON系统中升级传输速度控制方法和通信系统
    • US06633541B1
    • 2003-10-14
    • US09476732
    • 1999-12-30
    • Toshiyuki HijikataToshio IrieKosuke NobuyasuYoshinori Matsunaga
    • Toshiyuki HijikataToshio IrieKosuke NobuyasuYoshinori Matsunaga
    • H04L1226
    • H04Q11/0062H04L2012/5605H04L2012/5635H04L2012/5651H04Q11/0067H04Q2011/0086
    • The present invention aims at providing an ascending transmission speed controlling method and a communication system in an ATM-PON (asynchronous transfer mode-passive optical network), in which ascending transmission speeds on the PON are dynamically allocated corresponding to actual transmission states of communication channels of a best effort type, to thereby effectively utilize respective bands. To this end, according to the present invention, in an OLT (optical line termination) constituting the ATM-PON system, active/inactive states of communication channels are identified based on receiving states of ascending data cells transmitted from ONU's of subscriber side, respectively, and a congestion state of the ATM network is recognized by extracting B-RM (backward resource management) cells from descending data cells, respectively, transmitted from the ATM network, so that ascending transmission speeds on the PON are allocated to communication channels corresponding to service categories, based on such as the thus recognized information.
    • 本发明旨在提供ATM-PON(异步传输模式 - 无源光网络)中的上行传输速度控制方法和通信系统,其中PON上的传输速度根据通信信道的实际传输状态动态分配 的努力类型,从而有效地利用各自的频带。 为此,根据本发明,在构成ATM-PON系统的OLT(光线路终端)中,基于从用户侧ONU发送的上行数据信元的接收状态来识别通信信道的主动/非活动状态 ,并且通过从ATM网络分别提取出的下行数据单元提取B-RM(后向资源管理)单元来识别ATM网络的拥塞状态,从而将PON上的传输速度分配给与 服务类别,基于如此认可的信息。