Volume : V, Issue : XII, December - 2015
To Study and Design of SC–OFDM system using MKM for ICI immune high speed wireless communication
Priyanka Mulchandani, Prof. Sandeep Agrawal
Abstract :
Orthogonal Frequency Division Multiplexing (OFDM) has been considered as a strong candidate for next generation wireless communication systems. Compared to traditional OFDM, Single Carrier OFDM (SC–OFDM) has demonstrated excellent bit error rate (BER) performance, as well as low peak to average power ratio (PAPR). Similar to other multi–carrier transmission technologies, SC–OFDM suffers significant performance degradation resulting from intercarrier interference (ICI) in high mobility environments. Existing techniques for OFDM can be directly adopted in SC–OFDM to improve performance, however, this improved performance comes at costs such as decreased throughput. In this paper, we analyze the effect of ICI on an SC–OFDM system and propose a novel modulation scheme. The proposed Magnitude– Keyed Modulation (MKM) modulation provides SC–OFDM system immunity to ICI and with an easy implementation it significantly outperforms OFDM, SC–OFDM and MC–CDMA systems with Phase Shift Keying (PSK) modulation and Quadrature Amplitude Modulation (QAM) in severe ICI environment. Analysis also illustrates the proposed SCOFDM system with MKM modulation maintains low PAPR compared to traditional OFDM and SC–OFDM systems with PSK and QAM modulations. Simulation results for different modulation schemes in various ICI environments confirm the effectiveness of the proposed system.
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DOI : 10.36106/ijar
Cite This Article:
Priyanka Mulchandani, Prof.Sandeep Agrawal To Study and Design of Sc-Ofdm System using Mkm for Ici Immune High Speed Wireless Communication Indian Journal of Applied Research, Vol.5, Issue : 12 December 2015
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Priyanka Mulchandani, Prof.Sandeep Agrawal To Study and Design of Sc-Ofdm System using Mkm for Ici Immune High Speed Wireless Communication Indian Journal of Applied Research, Vol.5, Issue : 12 December 2015
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