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    EPON system and method for traffic scheduling in EPON system
    1.
    发明申请
    EPON system and method for traffic scheduling in EPON system 审中-公开
    EPON系统中的EPON系统和流量调度方法

    公开(公告)号：US20070133596A1

    公开(公告)日：2007-06-14

    申请号：US11633003

    申请日：2006-12-04

    申请人： Jun-Seog Kim

    发明人： Jun-Seog Kim

    IPC分类号： H04J3/22 ,  H04J3/00

    CPC分类号： H04J3/1694 ,  H04J2203/0069 ,  H04L47/25 ,  H04L47/26 ,  H04L47/30 ,  H04Q11/0067 ,  H04Q2011/0064 ,  H04Q2011/0088

    摘要： In an Ethernet passive optical network (EPON) system and a method for traffic scheduling in the EPON system, the method comprises: dividing a periodic transmission cycle between an optical line termination (OLT) and an optical network unit (ONU) for upstream traffic time band assignment into an Expedited Forwarding (EF) sub-cycle preset for EF traffic and an Assured Forwarding (AF) sub-cycle dynamically set for AF and BE traffic; dynamically assigning, by means of the OLT receiving ONU queue length information from the ONU, a first AF sub-cycle band using the queue length information and the preset EF sub-cycle band; and granting to the ONU, by means of the OLT, a first preset EF sub-cycle band, the dynamically assigned first AF sub-cycle band, and a second preset EF sub-cycle band. Thus, EF traffic band assignment for the next cycle is performed one cycle in advance, thereby reducing idle time and significantly enhancing overall bandwidth efficiency.

    摘要翻译： 在以太网无源光网络（EPON）系统和EPON系统中的业务调度方法中，该方法包括：在光线路终端（OLT）和光网络单元（ONU）之间划分上行流量时间周期的周期性传输周期 频段分配为EF流量的快速转发（EF）子周期预设和为AF和BE流量动态设置的保证转发（AF）子周期; 通过OLT从ONU接收ONU队列长度信息，使用队列长度信息和预设的EF子周期带动态分配第一AF子周期带; 以及通过所述OLT向所述ONU授予第一预设EF子周期频带，所述动态分配的第一AF子周期频带和第二预置EF子周期频带。 因此，下一个周期的EF业务频带分配预先进行一个周期，从而减少空闲时间并显着提高整体带宽效率。