EFFECT OF DOUBLY SELECTIVE CHANNELS ABOUT BIT ERROR PROBABILITY IN OFDM AND FBMC

Abstract

Filter bank multi carrier (FBMC) shows better spectral properties compared orthogonal frequency division multiplexing (OFDM). Double selective channels are described time selectivity and frequency selectivity which explore their performance variance in this paper. Closed form bit error probability (BEP) derives one top equalizers linear modulation techniques with OFDM and FBMC structures. When interference is closed to Gaussian noise, BEP error researching and Monte Carlo simulations are validated our analytically calculations. This paper presents us three scenarios that are OFDM without cyclic prefix (CP), CP-OFDM and FBMC applications about BEP over signal to noise ratio (SNR) for different channel models and different velocities. Applications are realized for theoretical, Gaussian approach, simulations and variations are shown with figures. The obtained BEP expressions utilize to define time variant propagation for OFDM and FBMC.

Keywords

• OFDM,FBMC,Channel models,BEP,CP,Signal to noise ratio,time varying channels

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