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DFE/THP duality for FBMC with highly frequency selective channels

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arxiv 1706.08718 v1 pith:CA77EOXP submitted 2017-06-27 cs.IT math.IT

DFE/THP duality for FBMC with highly frequency selective channels

Hela Jedda , Leonardo G. Baltar , Oliver De Candido , Amine Mezghani , Josef A. Nossek This is my paper
classification cs.IT math.IT
keywords fbmcdualityequalizerfrequencyhighlyinterferencemulticarrieroqam
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Filter bank based multicarrier with Offset-QAM systems (FBMC/OQAM) are strong candidates for the waveform of future 5-th generation (5G) wireless standards. These systems can achieve maximum spectral efficiency compared to other multicarrier schemes, particularly in highly frequency selective propagation conditions. In this case a multi-tap, fractionally spaced equalizer or precoder needs to be inserted in each subcarrier at the receiver or transmitter side to compensate inter-symbol interference (ISI) and inter-carrier interference (ICI). In this paper we propose a new Tomlinson-Harashima precoder (THP) design for FBMC/OQAM based on the mean squared error (MSE) duality from a minimum MSE (MMSE) designed decision feedback equalizer (DFE).

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