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Orthogonal Frequency Division Multiple Access (OFDMA) relay networks have been drawing much more attention in recent years. Cross layer optimization has been shown to be an efficient tool for resource allocation in OFDMA relay networks. However, the fairness issues for OFDMA relay networks have not been examined clearly in existing literature. In this paper, the authors considered a relay scenario with multiple sources, multiple relays and a single destination. A complete-fairness cross layer optimization framework is proposed, which considers fairness for both sources and relays.
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