2006•Optical Communication TechnologyRequires access

A novel upstream dynamic bandwidth assignment scheme for GPONs

Wanyi Gu

Abstract

In order to realize the fairness and reduce the transmission delay in GPON, a new dynamic bandwidth allocation(DBA) scheme-two level DBA scheme based on QoS was proposed based on the researching of TC frame and the method of dynamic bandwidth allocation in ITU-T G.984.3.The essential idea is to allocate the bandwidth among all ONUs and allocate the bandwidth in one ONU according to the bandwidth requirement based on different class services. Analysis and simulation results show that the new algorithm can improve the bandwidth utilization and meet delay request of different services and realize the fairness for both different ONUs and services.

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Available abstract

Key concepts: Dynamic bandwidth allocation, Bandwidth (computing), Bandwidth allocation, Computer science, Computer network, Quality of service, Upstream (networking), Scheme (mathematics)