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IJSTR >> Volume 8 - Issue 8, August 2019 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Performance Estimation Of PTS Based PAPR Reduction With CFO Optimization Of Multi Carrier CDMA System Over Frequency Selective Fading Channel

[Full Text]

 

AUTHOR(S)

T. Dineshkumar, Dr. P. Venkatesan

 

KEYWORDS

MC-CDMA, QPSK modulation, Whale optimization, Frequency Selective fading, Partial Transmission Signal.

 

ABSTRACT

Multicarrier Code Division Multiple Access is the most promising technique for high speed data transmission. However, the MC-CDMA signals are characterized by large peak to average power ratios (PAPR), which can reduce the system spectral efficiency. In this paper PAPR reduction of an MC-CDMA system using PTS technique is investigated by using whale optimization algorithm that uses pseudo random sequence for QPSK modulation techniques with different number of active users. Whale optimization algorithm optimizes the time delay and carrier frequency offset and thus minimizing the Inter Carrier Interference (ICI) from the carrier signal occurs. The results show that 64 bit QPSK shows better performance in case of Bit Error Rate, PAPR, spectral efficiency, and Carrier Frequency Offset for achieving high speed data transmission in MC-CDMA with PTS system.These all the results are taken for different modulation and the different channels.

 

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