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A Multiple Access Scheme Using Split and Merge Algorithm for Centralized Wireless MAC Protocols  

Kim Min-Su (Georgia Institute of Technology, ECE)
Byun Tae-Young (대구가톨릭대학교 컴퓨터정보통신공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.8B, 2006 , pp. 757-763 More about this Journal
Abstract
In this paper, a novel multiple access scheme using SMA(Split and Merge Algorithm) is proposed to reduce the accessdelay of wireless MAC protocols. The key idea of the SMA is to dynamically split and merge the contending terminals depending on their traffic loads for effective control of access to the channels. The SMA divides the collided terminals into several sub-groups if a collision occurs and merges the idle terminals of the split sub-groups into their original group. The merge algorithm can be used to resolve collision and split operation can be used to dynamic group management. The simulation results indicate that our algorithm may provide a higher throughput and a lower collision rate than the existing algorithms, especially under heavy traffic loads.
Keywords
Wireless MAC; SA; SMA; GAP; WiBro;
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