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Distributed Multi-Cell Resource Allocation with Price Based ICI Coordination in Downlink OFDMA Networks
Gangming LV Shihua ZHU Hui HUI
IEICE TRANSACTIONS on Communications
Publication Date: 2010/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
OFDMA, multi-cell resource allocation, interference coordination,
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Multi-cell resource allocation under minimum rate request for each user in OFDMA networks is addressed in this paper. Based on Lagrange dual decomposition theory, the joint multi-cell resource allocation problem is decomposed and modeled as a limited-cooperative game, and a distributed multi-cell resource allocation algorithm is thus proposed. Analysis and simulation results show that, compared with non-cooperative iterative water-filling algorithm, the proposed algorithm can remarkably reduce the ICI level and improve overall system performances.