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Research Paper | Communication Engineering | India | Volume 11 Issue 12, December 2022 | Popularity: 4.3 / 10

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Comparative Performance Analysis of BER vs SNR in SC/IFDMA

Anis Suliman Ali Bakouri

Abstract: OFDM is a form of transmission that uses a large number of closely spaced carriers that are modulated with low rate data. Normally these signals would be expected to interfere with each other, but by making the signals orthogonal to each another there is no mutual interference. Single carrier frequency division multiplexing technique is a most efficient and well-known modulation technique for transmission of digital data with high data rate. It is a multicarrier modulation technique where a high data rate signal is divided in to the number of lower data rate signal and these lower data rate signal are placed on the different sub bands where each lower data rate signal is modulated through an individual sub carriers so by combining all modulated signal we get the OFDM transmitted signal. It is most effective technique for overcome the problem of multipath fading, immunity to delay spread Increasing signal to noise ratio (SNR) with negligible Inter carrier interference (ICI) and Inter symbol interference (ISI).High peak to average power ratio(PAPR) is main problem with OFDM that degrade the performance of system. There are various techniques has been demonstrated to reduce PAPR like signal scrambling or signal distortion technique and also improving the bit error rate of the system. In this paper, we have evaluated the BER vs SNR performance of SC/IFDMA with and without NCT after reducing PAPR.

Keywords: Single carrier frequency division multiplexing, Peak to average power ratio, BER, SNR

Edition: Volume 11 Issue 12, December 2022

Pages: 588 - 590

DOI: https://www.doi.org/10.21275/SR221129201246

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