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Interference Avoidance and Resource Allocation for OFDMA Downlink of Femtocells with Distributed Power Control

Hyunduk JUNG, Jechan HAN, Jaiyong LEE

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Summary :

OFDMA femtocells in the macrocellular network of which frequency reuse factor is 1 cause serious interference to macrocell users, while the femtocells improve the performance of indoor users. In this letter, a novel downlink resource allocation algorithm for OFDMA femtocell networks is proposed to reduce interference between the macrocells and the femtocells. This algorithm allocates femtocell subchannels to avoid interference to macrocell users in the femtocell coverage, and minimizes the total transmission power of the femtocell to reduce the negative effect on the performance of the macrocell. Simulation results are provided to present the performance of the proposed algorithm.

Publication
IEICE TRANSACTIONS on Communications Vol.E93-B No.4 pp.1061-1064
Publication Date
2010/04/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E93.B.1061
Type of Manuscript
LETTER
Category
Terrestrial Radio Communications

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