Downlink Power Allocation of the OFDMA Femtocell for Inter-cell Interference Mitigation 


Vol. 35,  No. 8, pp. 743-751, Aug.  2010


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  Abstract

OFDMA femtocell becomes an effective solution to support indoor high data rate services instead of the macrocell systems. Although the advantage of the femtocell, the co-channel interference between the femocell and the macrocell is the most significant problem that reduces the system performance. Macrocell users who have no permission to access the femtocell suffer from interference of the downlink transmission of femtocell. Therefore, the femtocell should use transmission power as small as possible to reduce interference to macrocell users. In this paper, we define the margin adaptive power allocation problem for the femtocell and propose a heuristic power allocation algorithm to solve the problem. Simulation results show the performance of the proposed algorithm.

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  Cite this article

[IEEE Style]

H. Jung and J. Lee, "Downlink Power Allocation of the OFDMA Femtocell for Inter-cell Interference Mitigation," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 743-751, 2010. DOI: .

[ACM Style]

Hyunduk Jung and Jaiyong Lee. 2010. Downlink Power Allocation of the OFDMA Femtocell for Inter-cell Interference Mitigation. The Journal of Korean Institute of Communications and Information Sciences, 35, 8, (2010), 743-751. DOI: .

[KICS Style]

Hyunduk Jung and Jaiyong Lee, "Downlink Power Allocation of the OFDMA Femtocell for Inter-cell Interference Mitigation," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 743-751, 8. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880