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Performance analysis of Rayleigh fading channels in GI-Less OFDM system using QAM modulations | IEEE Conference Publication | IEEE Xplore

Performance analysis of Rayleigh fading channels in GI-Less OFDM system using QAM modulations


Abstract:

In the paper, the Bit Error Rate (BER) performance for variation of Quadrature Amplitude Modulation (QAM) techniques and Guard Interval-Less (GI-Less) OFDM over Rayleigh ...Show More

Abstract:

In the paper, the Bit Error Rate (BER) performance for variation of Quadrature Amplitude Modulation (QAM) techniques and Guard Interval-Less (GI-Less) OFDM over Rayleigh fading are compared and analysed. In addition the simulations of OFDM signals are implemented with Rayleigh faded signals to investigate the effect of channel fading and to obtain optimum value of BER and Signal to noise ratio (SNR) by applying Zero-Forcing (ZF) and Maximum Mean Square Error (MMSE) techniques. The simulation results achieved BER performance of 10"3 at SNR of 25dB.
Date of Conference: 27-29 August 2014
Date Added to IEEE Xplore: 12 January 2015
Electronic ISBN:978-1-4799-4621-1
Conference Location: Kuala Lumpur, Malaysia

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