Performance Analysis of the ertPS Algorithm and Enhanced ertPS Algorithm for VoIP Services in IEEE 802.16e Systems
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概要
- 論文の詳細を見る
In this paper, we analyze the extended real-time Polling Service (ertPS) algorithm in IEEE 802.16e systems, which is designed to support Voice-over-Internet-Protocol (VoIP) services with data packets of various sizes and silence suppression. The analysis uses a two-dimensional Markov Chain, where the grant size and the voice packet state are considered, and an approximation formula for the total throughput in the ertPS algorithm is derived. Next, to improve the performance of the ertPS algorithm, we propose an enhanced uplink resource allocation algorithm, called the e2rtPS algorithm, for VoIP services in IEEE 802.16e systems. The e2rtPS algorithm considers the queue status information and tries to alleviate the queue congestion as soon as possible by using remaining network resources. Numerical results are provided to show the accuracy of the approximation analysis for the ertPS algorithm and to verify the effectiveness of the e2rtPS algorithm.
- （社）電子情報通信学会の論文
- 2009-06-01
著者
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Kim Bong
Department of Anatomy, College of Medicine, Pusan National University
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HWANG Gang
Department of Mathematical Sciences and Telecommunication Engineering Program, Korea Advanced Instit
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Hwang Gang
Department Of Mathematical Sciences And Telecommunication Engineering Program In Korea Advanced Inst
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Hwang Gang
Department Of Mathematical Sciences And Telecommunication Engineering Program In The Korea Advanced
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Kim Bong
Department Of Anatomy College Of Medicine Pusan National University
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Kim Bong
Department Of Mathematical Sciences And Telecommunication Engineering Program In The Korea Advanced
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