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Delay Performance Analysis of a Dynamic Bandwidth Allocation Scheme in a GPON  

Park, Chul-Geun (선문대학교 정보통신공학부)
Chung, Hae (금오공과대학교 전자공학부)
Kim, Jin-Hee (KT 인프라 연구소)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.9B, 2008 , pp. 813-821 More about this Journal
Abstract
In recent year, several types of PON(Passive Optical Networks) have been adopted into the subscriber loops for the high speed subscriber lines to meet the needs of some applications based on the Internet and the rapid increase of the Internet users. GPON(Gigabit PON) is a typical access network technology of these PONs which adopt the DBA(Dynamic bandwidth Allocation) scheme in order to transmit upstream traffic efficiently. In this paper, we introduce the gated polling system with a two-stage queue in order to analyze the delay performance of the DBA scheme in a GPON. We use a continuous time queueing model for deriving the mean cycle time and for obtaining the mean packet delay. We give some numerical results to investigate the delay performance for the symmetric polling system with statistically identical stations.
Keywords
GPON; DBA;
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  • Reference
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