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The authors propose an intercell downlink Orthogonal Frequency Division Multiple Access (OFDMA) scheduling technique in a sectorized cellular network. Adjacent sectors from neighboring cells form a cluster and each OFDMA resource block is allocated to the rate-maximizing sector. Compared to a cellular network that uses conventional Fractional Frequency Reuse (FFR) technique, the authors' proposed system requires only slightly more backhaul traffic while providing an appreciable performance gain. Intercell scheduling, which grants a resource exclusively to the rate-maximizing cell within a cluster is a simple and powerful base station cooperation technique that balances non-cooperation and full cooperation.
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