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Decentralized TDM-PON MAC Protocol Based on Power Detection  

Lee, Sung-Kuen (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
Kim, Eal-Lae (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
Lee, Yong-Won (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
Lee, Sang-Rok (신흥대학 전자통신과)
Jung, Dae-Kwang (삼성전자 통신연구소 방송통신기술랩)
Hwang, Seong-Taek (삼성전자 통신연구소 방송통신기술랩)
Oh, Yun-Je (삼성전자 통신연구소 방송통신기술랩)
Park, Jin-Woo (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.2B, 2007 , pp. 83-89 More about this Journal
Abstract
In this paper, we have proposed the power detection (PD)-based TDM-PON architecture, which is implemented with a hardware-based decentralized DBA (Dynamic Bandwidth Allocation) algorithm among ONUs, without OLT's intervention. Of particular importance in the proposed approach is that the hardware-based power detection scheme is used to manage the distributed MAC algorithm without any complex, time-consuming and costly software-processing elements for DBA in ONUs and OLT. We evaluate the performance of average packet end-to-end delay in a statistical analysis and numerical analysis. In addition, through simulations with various traffic models, we verified the superior performance of the proposed approach by comparing with the results of other E-PONs.
Keywords
Passive Optical Network(PON); Dynamic Bandwidth Allocation(DBA); Time Division Multiplexing(TDM);
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