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The problem of resource allocation for the downlink of wireless systems operating over a frequency-selective channel is investigated. It is assumed that the BS (Base Station) uses many antennas and many antennas are available for each user too (Multiple Input Multiple Output - MIMO case). To relieve heavy computational burden, a suboptimal, but efficient algorithm is devised that maximizes the sum...
Inter-cell interference is a major problem in multi-cell OFDMA systems and can severely degrade the system throughput, particularly for cell-edge users. An efficient technique to mitigate inter-cell interference (ICI), is interference coordination that allocates certain resources among users in different cells. In this paper, we propose a novel and distributed algorithm in order to mitigate the inter-cell...
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