Downlink Scheduling Algorithm Based on Traffic Arrival Rate for Mobile Telecommunication System 


Vol. 35,  No. 1, pp. 20-26, Jan.  2010


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  Abstract

The downlink scheduling algorithm has a great impact on the performance of mobile telecommunication system. In proportional fairness (PF) scheduling algorithm, the resource is allocated proportionally to the quality of wireless channel. Thus, PF has difficulty in servicing the users having more downlink traffic. One can allocate the resource proportionally to the accumulated queue length. However, this leads to system throughput degradation since the users having low channel quality get more and more resource allocated due to accumulation property of queue. In this paper, we propose a new downlink scheduling algorithm, which extends PF algorithm by incorporating downlink traffic arrival rate. The proposed algorithm can effectively cope with users having more downlink traffic, and maintain high system throughput by eliminating accumulation effect in the algorithm. With computer simulations, it is verified that the proposed algorithm performs better than existing algorithms.

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  Cite this article

[IEEE Style]

J. Kim, J. Hwang, M. Yoo, "Downlink Scheduling Algorithm Based on Traffic Arrival Rate for Mobile Telecommunication System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 20-26, 2010. DOI: .

[ACM Style]

Jungjong Kim, Junho Hwang, and Myungsik Yoo. 2010. Downlink Scheduling Algorithm Based on Traffic Arrival Rate for Mobile Telecommunication System. The Journal of Korean Institute of Communications and Information Sciences, 35, 1, (2010), 20-26. DOI: .

[KICS Style]

Jungjong Kim, Junho Hwang, Myungsik Yoo, "Downlink Scheduling Algorithm Based on Traffic Arrival Rate for Mobile Telecommunication System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 20-26, 1. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880