BER Analysis of ICI Self Cancellation Schemes for OFDM Based Wireless Systems

	International Journal of P2P Network Trends and Technology (IJPTT)
	© 2014 by IJPTT Journal
	Volume - 4 Issue - 6
	Year of Publication : 2014
	Authors : Vaishali Bahl , Dr. Dalveer Kaur , Avtar Singh Buttar
	DOI :  10.14445/22492615/IJPTT-V13P401

Citation

Vaishali Bahl , Dr. Dalveer Kaur , Avtar Singh Buttar."BER Analysis of ICI Self Cancellation Schemes for OFDM Based Wireless Systems ". International Journal of P2P Network Trends and Technology (IJPTT), V4(6):1-6 Nov - Dec 2014, ISSN:2249-2615, www.ijpttjournal.org, Published by Seventh Sense Research Group.

Abstract

The consistently rising demand for very high rate data transmission over wireless mediums requires ingenious usage of electromagnetic resources considering constraints like power consumption, spectrum efficiency, robustness against multipath propagation and implementation complexity. Orthogonal frequency division multiplexing (OFDM) is a propitious technique for next generation wireless communication systems. Nevertheless it suffers from Inter-Carrier Interference (ICI) due to its susceptibility to the frequency offset caused by frequency difference between local oscillator of transmitter and receiver or due to Doppler shift. This paper epitomize self-cancellation techniques to mitigate ICI effect for OFDM based wireless systems. The performances of ICI self-cancellation schemes have been in terms of the bit error rate (BER). Simulation results exhibit ICI self-cancellation Scheme that outperforms other existing self-cancellation methods and robustness to large frequency offset.

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Keywords
Orthogonal Frequency Division Multiplexing (OFDM), Inter-Carrier Interference (ICI), Self-Cancellation (SC), Bit Error Ratio (BER).