Abstract
One of the challenges issue in Orthogonal Frequency Division Multiple Access (OFDMA) is the interference of the system, which is the inter-symbol interference (ISI) and inter-carrier interference (ICI) is being considered. So that, in this paper the interference alignment scheme together with the implementation of the Minimum Mean Square Error (MMSE) equalizer is proposed to be adopted in wireless network, OFDMA system. The objective of this study is to evaluate the Pairwise Error Probability (PEP) performance of the presented study and the simulation results show that the PEP performance is improved when implementing the interference alignment, and further improved when implementing the scheme with the MMSE equalizer. The effect of ICI and ISI can be reduced and the maximum diversity of the system is achieved by using the proposed Interference Alignment scheme, and implementation of equalizer.
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