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Interference-Aware Resource Allocation Scheme for Femtocell in OFDMA Systems
Byungchan KWON Junwoo JUNG Jaesung LIM
IEICE TRANSACTIONS on Communications
Publication Date: 2010/08/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
OFDM, femtocell, resource assignment,
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In this letter, we propose an interference-aware resource allocation algorithm for the uplink of OFDMA systems. It comprises a macrocell overlaid with short range femtocells. We define the interferences that occur between a macrocell and femtocells and present the resource assignment algorithm to resolve and mitigate the cross-tier interference effect based on the defined interference factors. Simulation results show that the proposed algorithm performs well in a macrocell and femtocells.