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Journal Article
Minimum Credit Method for Dynamic Bandwidth Allocation in EPON
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- Authors
- Man-Soo Han, Bin-Young Yun, Bongtae Kim
- Issue Date
- 2007-02
- Citation
- IEICE Transactions on Communications, v.E90.B, no.2, pp.349-353
- ISSN
- 0916-8516
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- We suggest a new minimum credit method for the dynamic bandwidth allocation in EPON. In the suggested method, to eliminate the unused transmission time-slot, each ONU requests no more than a predetermined maximum. We analyze the upstream channel resource wastage when traffic is light. Based on the analysis, we derive a minimum credit that eliminate the upstream channel resource wastage. The OLT estimates a traffic load and grants a minimum credit when the request is smaller than the minimum credit and traffic is light. Using simulation, we show the minimum credit discipline is superior than the existing methods in the mean delay and the frame loss rate. Copyright © 2007 The Institute of Electronics, Information and Communication Engineers.
- KSP Keywords
- Channel resource, Information and communication, Traffic Load, Transmission time, dynamic bandwidth allocation, loss rate, mean delay, resource wastage