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Distributed radio access network (DRAN) is a novel radio access architecture and can solve the problem of the available spectrum scarcity in wireless communications. We investigate two resource allocation methods for downlink of OFDMA DRAN. In the first method, each subcarrier is allocated to only one user, which is based on exclusive criterion (EC). By introduced the concept of shared criterion (SC),...
In this paper, two heuristic resource allocation algorithms are proposed for downlink of multiuser orthogonal frequency division multiplexing (OFDM) distributed antenna system (DAS). The objectives are to maximize total system rate under fairness among users constraint. Unlike the existing algorithms that allocate each subcarrier to only one user within the system, the proposed algorithms are based...
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