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Due to the increasing demand of capacity in wireless cellular networks, the small cells such as pico and femto cells are becoming more popular to enjoy a spatial reuse gain, and thus cells with different sizes are expected to coexist in a complex manner. In such a heterogeneous environment, the role of interference management (IM) becomes of more importance, but technical challenges also increase,...
In this paper, we investigate the problem of dynamic subchannel assignments in the downlink of OFDM (Orthogonal Frequency Division Multiplexing) systems. The Kuhn-Munkres algorithm can provide the maximum weighted bipartite matching for assignment problems. In this paper, we formulate the multiobjective optimization (MO) problem in bipartite matching, and propose a modified bipartite matching algorithm(MBM)...
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