Dynamic Downlink Resource Management of Femtocells Using Power Control in OFDMA Networks 


Vol. 37,  No. 5, pp. 339-347, May  2012


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  Abstract

Femtocells as home base station for indoor coverage extension and wideband data service, have been studied with significant interests. When femtocell is deployed, the existing cell structural of changes causes various technical problems. In this paper, we investigate the femto-macro cell interference mitigation in OFDMA system. We propose dynamic downlink resource management scheme which adjust the transmitted power of femtocell according to the strength of received macrocell signal and allocates subcarrier to femtocells in a dynamic manner. In this way, the interference between the macrocell users and femtocells is reduced. The simulation results show that proposed scheme enhances both macrocell and femtocell throughputs.

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  Cite this article

[IEEE Style]

S. Lee, C. Ahn, J. Shin, "Dynamic Downlink Resource Management of Femtocells Using Power Control in OFDMA Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 5, pp. 339-347, 2012. DOI: .

[ACM Style]

Sangtae Lee, Chunsoo Ahn, and Jitae Shin. 2012. Dynamic Downlink Resource Management of Femtocells Using Power Control in OFDMA Networks. The Journal of Korean Institute of Communications and Information Sciences, 37, 5, (2012), 339-347. DOI: .

[KICS Style]

Sangtae Lee, Chunsoo Ahn, Jitae Shin, "Dynamic Downlink Resource Management of Femtocells Using Power Control in OFDMA Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 5, pp. 339-347, 5. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880