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In this paper, we propose a novel frequency reuse scheme for multi-cell orthogonal frequency division multiplexing access (OFDMA) systems for co-channel interference (CCI) reduction. We divide all the available subcarriers into two groups with one used for the central region of the cell and another for the cell boundary. The frequency reuse factor (FRF) is 1 in the central region and 3 in the boundary...
In this paper, we propose a novel frequency reuse scheme for multi-cell orthogonal frequency division multiplexing access (OFDMA) systems for co-channel interference reduction. Each cell is partitioned into three sectors. All the available subcarriers are divided into two groups. One is reused in the central region of the sectors, and another is divided into three parts used orthogonally for the edge...
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