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Erschienen in: Arabian Journal for Science and Engineering 3/2020

18.11.2019 | Research Article - Electrical Engineering

BER Performance of SFBC–OFDM Systems Working Over Fading Channels Under Impulsive Environment

verfasst von: Amit Kumar Kohli, Divneet Singh Kapoor

Erschienen in: Arabian Journal for Science and Engineering | Ausgabe 3/2020

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Abstract

This correspondence presents the bit-error-rate (BER) performance analysis of the space-frequency-block-coded OFDM (SFBC–OFDM) communication systems, working over wireless fading channels under the impulsive environment. The effects of imperfect channel state information (CSI) on the BER performance are also investigated, while using the M-ary phase-shift keying and M-ary quadrature amplitude modulation for digital data transmission over the fading channels corrupted by the impulse noise and additive white Gaussian noise (AWGN). The imperfect CSI usually arises due to the noisy channel estimates at receiver. The major focus is on the description of closed-form expressions for the BER performance of underlying SFBC–OFDM systems impaired by impulse noise, in which the noise bucket concept helps in quantifying its performance under the Rayleigh fading scenario. Simulation results are presented to connote the deterioration of BER performance of SFBC–OFDM systems due to the presence of impulse noise, AWGN and noisy channel estimates at the receiver, under different channel fading conditions exhibiting Rayleigh and Nakagami-m probability distributions. For lower values of m in the range \(0.5 \le m < 1\), the adverse impact of impulse noise can be reduced by increasing the number of subcarriers in an OFDM symbol block period.

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Metadaten
Titel
BER Performance of SFBC–OFDM Systems Working Over Fading Channels Under Impulsive Environment
verfasst von
Amit Kumar Kohli
Divneet Singh Kapoor
Publikationsdatum
18.11.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Arabian Journal for Science and Engineering / Ausgabe 3/2020
Print ISSN: 2193-567X
Elektronische ISSN: 2191-4281
DOI
https://doi.org/10.1007/s13369-019-04230-w

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