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We propose the use of simple full interference cancellation (FIC) and orthogonal frequency-division multiplexing (OFDM) within a two-hop asynchronous cooperative four relay network. This approach can achieve the full available diversity and asymptotically full rate. The four relay nodes are arranged as two groups of two relay nodes with offset transmission scheduling. Therefore, the source can serially...
For orthogonal frequency division multiplexing (OFDM) communication systems, the frequency offset in mobile radio channels distort the orthogonality between sub-carriers, which results in intercarrier interference (ICI) and seriously degrades the performance of systems. In this paper, based on ICI coefficients analysis, a novel precoder design scheme is proposed for mitigation ICI in OFDM mobile systems...
Mobile wave propagation undergoes severe distortions caused by inter symbol interference (ISI) and inter carrier interference (ICI), which are due to multipath and high mobility. OFDM/BFDM techniques have a good ability to overcome ISI limiting quality effects whereas ICI can be increased for severe Doppler spreading. In this paper, we study the use of well localized time-frequency pulse shaping to...
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