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Resource Allocation in Cooperative OFDMA Systems with Fairness Constraint
Hongxing LI Hanwen LUO Xinbing WANG Ming DING Wen CHEN
IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Section on Radio Access Techniques for 3G Evolution)
OFDMA, cooperative communication, fairness,
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This letter investigates a subchannel and power allocation (SPA) algorithm which maximizes the throughput of a user under the constraints of total transmit power and fair subchannel occupation among relay nodes. The proposed algorithm reduces computational complexity from exponential to linear in the number of subchannels at the expense of a small performance loss.