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MC-CDMA transmission with blanking nonlinearity for impulsive noise power-line communication channels

Rabie, KM and Alsusa, E (2015) MC-CDMA transmission with blanking nonlinearity for impulsive noise power-line communication channels. In: Vehicular Technology Conference (VTC Spring), 11 May 2015 - 14 May 2015, Glasgow.

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Abstract

© 2015 IEEE. In this paper we investigate the application of multi-carrier code division multiple access (MC- CDMA) in impulsive noise power-line channels. In order to improve system performance, impulsive noise blanking is utilized at the receiver's front-end. For comparison-sake, three families of spreading codes are considered here, namely, pseudonoise (PN), Walsh-Hadamard (WH) and poly- phase (PP) sequences. Probability of blanking error P-b and output signal-to-noise ratio (SNR) performances are adopted to characterize the achievable gains. The results reveal that the proposed scheme is able to achieve considerable improvements in terms of P-b and output SNR performance. It is also shown that PP-based MC- CDMA yields the best overall performance with a 1.2 dB SNR gain relative to blanking-based orthogonal frequency division multiple access systems.

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