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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...
This work presents the channel estimation for Generalized Frequency Division Multiplexing (GFDM). GFDM can be considered as a filtered bank multicarrier scheme, where a spectrally-contained pulse shaping is applied over each subcarrier to reduce out of band radiation (OOB). However, due to pulse shaping, subcarriers in GFDM are no longer orthogonal and there is inherent interference. Due to such interference,...
In this paper, we propose a novel strategy of filter design for filter bank multicarrier (FBMC) based cognitive radio (CR) systems, and the key idea is to directly optimize the filter coefficients with the objective and constraints of sidelobe suppression. Specifically, a slight modification is implemented to an existing nearly perfect reconstruction (NPR) filter to achieve a better sidelobe suppression...
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