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In this letter, we investigate the resource allocation for downlinkmulti-cell coordinated OFDMA wireless networks, in which power allocation andsubcarrier scheduling are jointly optimized. Aiming at maximizing the weightedsum of the minimal user rates (WSMR) of coordinated cells under individualpower constraints at each base station, an effective distributed resourceallocation algorithm using a modified decomposition method is proposed, whichis suitable by practical implementation due to its low complexity and fastconvergence speed. Simulation results demonstrate that the proposeddecentralized algorithm provides substantial throughput gains with lowercomputational cost compared to existing schemes.

Distributed Resource Allocation Algorithm Design for Multi-Cell Networks Based on Advanced Decomposition Theory