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We propose an efficient segment assignment strategy for the incremental frequency reuse (IFR) scheme, in which each cell within a cluster of adjoining cells has its own fundamental segment orthogonal to a maximal extent to those of other cells within the cluster, in order to control effectively inter-cell interference (ICI). First, the IFR scheme with maximally orthogonal fundamental segments (MOFS)...
Orthogonal Frequency Division Multiple Access (OFDMA) techniques are investigated in this paper. Five sub-channel allocation algorithms are analysed and their performance in a multicellular environment is evaluated with simulations. Four schemes of lower complexity, suitable for the early deployment of wireless systems, are compared with a more computationally demanding scheme with respect to their...
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