[KSCI] Korea Science Citation Index Service

Performance Analysis of CMAP-WDMA MAC Protocol for Metro-WDMA Networks

Yun, Chang-Ho (Department of Ocean Engineering Research, Korea Ocean Research & Development Institute (KORDI))
Cho, A-Ra (Department of Ocean Engineering Research, Korea Ocean Research & Development Institute (KORDI))
Park, Jong-Won (Department of Ocean Engineering Research, Korea Ocean Research & Development Institute (KORDI))
Lim, Yong-Kon (Department of Ocean Engineering Research, Korea Ocean Research & Development Institute (KORDI))

Publication Information

Journal of information and communication convergence engineering / v.7, no.4, 2009 , pp. 480-488 More about this Journal

Abstract

A channel-shared modified accelerative pre-allocation wavelength division multiple access (CMAP-WDMA) media access control (MAC) has been proposed for metro-WDMA networks, as an extension of modified pre-allocation wavelength division multiple access (MAP-WDMA) MAC protocol. Similarly, CAP WDMA as an extension of accelerative pre-allocation wavelength division multiple access (AP-WDMA) MAC protocol. Performance of CMAP- and CAP-WDMA was extensively investigated under several channel sharing methods (CSMs), asymmetric traffic load patterns (TLPs), and non-uniform traffic distribution patterns (TDPs). The result showed that the channel utilization of the CMAP-WDMA always outperforms that of CAP-WDMA at the expense of longer channel access delay for channel shared case while CMAP-WDMA provided higher channel utilization at specific network conditions but always shorter channel access delay than CAP-WDMA for non-channel shared case. Additionally both for CMAP- and CAP-WDMA, determining an effective CSM is a critical design issue because TDPs and TLPs can be neither managed nor expected while CSM is manageable, and the CSM supporting the best channel utilization can be recommended.

Keywords

Channel sharing; channel utilization; delay; MAC; traffic; metro-WDMA networks;

Citations & Related Records

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