Cross-layer Resource Allocation Algorithm for Downlink OFDM System 


Vol. 35,  No. 8, pp. 828-834, Aug.  2010


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  Abstract

In this paper, an adaptive cross-layer resource allocation algorithm for the downlink multi-user OFDM system is proposed. The proposed algorithm does not only concern the wireless characteristics of physical (PHY) layer, but also pays attention to the user’s quality of service (QoS) requirement, fairness, and packet queue state information of medium access control (MAC) layer. The algorithm is composed of two parts: one is to decide the priority of the user, and the other is to assign the radio resource according to its priority. Simulation results show that the proposed algorithm has both steady QoS and low computation complexity, even though the mobile users have different receiving signal to noise ratio (SNR).

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  Cite this article

[IEEE Style]

Q. Guo, S. S. Hwang, S. C. Kim, "Cross-layer Resource Allocation Algorithm for Downlink OFDM System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 828-834, 2010. DOI: .

[ACM Style]

Qianjing Guo, Sung Sue Hwang, and Suk Chan Kim. 2010. Cross-layer Resource Allocation Algorithm for Downlink OFDM System. The Journal of Korean Institute of Communications and Information Sciences, 35, 8, (2010), 828-834. DOI: .

[KICS Style]

Qianjing Guo, Sung Sue Hwang, Suk Chan Kim, "Cross-layer Resource Allocation Algorithm for Downlink OFDM System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 828-834, 8. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880