An Analytic Model for the Optimal Number of Relay Stations in IEEE 802.16j Cooperative Networks 


Vol. 36,  No. 9, pp. 758-766, Sep.  2011


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  Abstract

Cooperative communications are adopted as a promising solution to achieve high data rate over large areas in the future 4G wireless system and the relay station (RS) is the key concept in cooperative communications. However, most existing works in this area focus only on optimal RS selections. In addition, there are only few works consider another crucial issue: how many relay stations we need to place. Only when the number of relay stations is defined, the relay station selection can be performed well. In this paper we derive a formula which describes the impact of varying number of RS on end-to-end link throughput assuming a clustering scheme which is based on Voronoi tessellation. In addition to mathematical analysis on the feasibility of the formula, we also examine its performance through a set of simulations under the Erceg path loss model. Simulation results verify that the link throughput gain of our proposed scheme is promising.

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  Cite this article

[IEEE Style]

Z. Jin and J. Cho, "An Analytic Model for the Optimal Number of Relay Stations in IEEE 802.16j Cooperative Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 9, pp. 758-766, 2011. DOI: .

[ACM Style]

Zilong Jin and Jinsung Cho. 2011. An Analytic Model for the Optimal Number of Relay Stations in IEEE 802.16j Cooperative Networks. The Journal of Korean Institute of Communications and Information Sciences, 36, 9, (2011), 758-766. DOI: .

[KICS Style]

Zilong Jin and Jinsung Cho, "An Analytic Model for the Optimal Number of Relay Stations in IEEE 802.16j Cooperative Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 9, pp. 758-766, 9. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880