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Analytical Model of Isochronous MAC Protocol for MANET  

Heo, Ung (Department of Computer Engineering, Chonbuk National University)
Choi, Jae-Ho (Electronics & Information Engineering Division, Chonbuk National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.45, no.2, 2008 , pp. 111-118 More about this Journal
Abstract
In this paper a novel medium access control mechanism is investigated as a means to support real-time services. The primary goal is to provide constant-bit-rate voice call services to pairs of autonomous mobile nodes operating in ad hoc networks. Here, a time-slot reservation based MAC is considered to provide real-time voice calls and a new MAC called the time-slot reservation coordination function(TRCF) is presented. In addition to this isochronous type MAC protocol development, the proposed protocol is modeled using a Markov chain in order to predict its behavior. The performance of TRCF is analytically derived and the performance measures such as average wait time taken for a call connection and throughput are obtained.
Keywords
ad hoc networks; MAC; reservation; Markov chain; analytical model;
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