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IEICE TRANSACTIONS on Communications

Wireless ATM MAC Layer Protocol Using WDWEDF and Two-Phase Scheduling Algorithm

Sungwon LEE, Young-Jae SONG, Dong-Ho CHO, Yong-Bae DHONG, Jung-Won YANG

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Summary :

In this paper, we propose and evaluate the performance of Wireless ATM MAC layer protocol to support efficiently various ATM traffics, such as CBR, VBR, ABR and UBR, in wireless ATM network environments for reverse and forward link. The proposed MAC protocol could extend efficiently the service discipline of ATM traffics from wired network to wireless ATM network environments. Thus, available bandwidth, which is remained except the bandwidth for CBR and VBR traffics, could be effectively allocated to ABR and UBR traffics. Especially, in view of reverse link, two-phase scheduling algorithm supports successfully variable characteristics of VBR traffic. And, in view of forward link, 'Wireless Dynamic Weighted Earliest Deadline First' scheduling algorithm minimizes the mean cell delay and required buffer size. Simulation results show that proposed method provides effective performance in wireless ATM environments.

Publication
IEICE TRANSACTIONS on Communications Vol.E81-B No.12 pp.2432-2443
Publication Date
1998/12/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on the Latest Development of Telecommunication Research)
Category
QoS Control and Traffic Control

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