Resource Allocation Scheme for Ensuring QoS of Heterogeneous Traffic in OFDMA System 


Vol. 35,  No. 5, pp. 447-451, May  2010


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  Abstract

We propose an advanced BMPA (balanced multimedia packet allocation) scheme. The proposed scheme considers the optimal resource allocation problem in OFDMA system. When NRT (non-real time), RT (real time), multicast packets arrive at the same time in OFDMA system, the advanced BMPA chooses the best sub-carrier as a multicast channel for multicast packets, gives more weight to RT packets and multicast packets than NRT packets and allocates sub-carriers according to the total weight sum of packets in each user. With simulation results, this paper shows that the advanced BMPA scheme ensures QoS (long-term system throughput and multimedia packet delay) in heterogeneous traffic compared with multicast MU-WF (multi-user water-filling) and BMPA schemes.

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  Cite this article

[IEEE Style]

Y. Gwak, C. H. Koh, Y. Y. Kim, "Resource Allocation Scheme for Ensuring QoS of Heterogeneous Traffic in OFDMA System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 5, pp. 447-451, 2010. DOI: .

[ACM Style]

Yongsu Gwak, Chung Ha Koh, and Young Yong Kim. 2010. Resource Allocation Scheme for Ensuring QoS of Heterogeneous Traffic in OFDMA System. The Journal of Korean Institute of Communications and Information Sciences, 35, 5, (2010), 447-451. DOI: .

[KICS Style]

Yongsu Gwak, Chung Ha Koh, Young Yong Kim, "Resource Allocation Scheme for Ensuring QoS of Heterogeneous Traffic in OFDMA System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 5, pp. 447-451, 5. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880