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    • 94. 发明授权
    • System and method for polling in ethernet passive optical network
    • 以太网无源光网络中轮询的系统和方法
    • US07986879B2
    • 2011-07-26
    • US12034568
    • 2008-02-20
    • Sang Ho LeeMin Young ChungTae-Jin LeeHyun Seung Choo
    • Sang Ho LeeMin Young ChungTae-Jin LeeHyun Seung Choo
    • H04B10/20
    • H04Q11/0067H04J3/0682H04Q2011/0064H04Q2011/0088
    • Disclosed is a system and a method for polling in an Ethernet Passive Optical Network (EPON). The system includes: multiple Optical Network Units (ONUs) for sharing optical channels of the EPON with one another and transmitting traffic; and an Optical Line Terminal (OLT) for discriminating a plurality of ONUs gaining access to the EPON among the multiple ONUs and then collecting routing information on the plurality of ONUs gaining access to the EPON, and for classifying the plurality of ONUs gaining access to the EPON into two or more ONU groups according to the collected routing information and then carrying out forming a polling cycle and allocating bandwidth on each ONU group. Therefore, a transmission idle period in a traffic channel is not only minimized, but an availability ratio of traffic channels can also be maximized.
    • 公开了一种在以太网无源光网络(EPON)中轮询的系统和方法。 该系统包括:多个光网络单元(ONU),用于共享EPON的光信道并传输业务; 以及光线路终端(OLT),用于区分多个ONU中获得对EPON的访问的多个ONU,然后收集对获得对EPON的访问的多个ONU的路由信息​​,并且对多个ONU进行访问 EPON根据收集的路由信息​​分成两个或更多个ONU组,然后执行轮询周期并在每个ONU组上分配带宽。 因此,业务信道中的传输空闲时段不仅最小化,而且业务信道的可用率也可以最大化。