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Performance Evaluation of IEEE 802.16d ARQ Algorithm with NS-2 Simulator  

Jang Jae-Shin (인제대학교 정보통신공학과)
Kang Min-Seok (인제대학교 대학원 정보통신공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.7A, 2006 , pp. 666-673 More about this Journal
Abstract
In this paper, we evaluated the performance of 4 types of ARQ algorithms that have been adopted to offer reliable transmission between MAC layers. First of all, we implemented IEEE 802.16 ARQ algorithms with NS-2 network simulator and then evaluated the performances in various channel states. We used two performance measures to evaluate those performances. First, we used the total number of ARQ block in bytes that have been received without error. Second, we used ACK_Efficiency that is newly defined in this paper. From the results of simulation, we could be aware that each ARQ algorithm has different performance in a various channel states. For improving the transmission data rate in a specific channel state, we have to choose the right ACK interval as well as a suitable ARQ algorithm.
Keywords
IEEE 802.16d; ARQ; NS-2; WMAN;
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