Amplitude and Phase Variant SLM Scheme for PAPR Reduction in QAM Modulated OFDM Signals 


Vol. 35,  No. 2, pp. 203-209, Feb.  2010


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  Abstract

In this paper, we propose a new selected mapping (SLM) scheme for reducing peak to average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) signals modulated with quadrature amplitude modulation (QAM), called amplitude and phase variant SLM (APSLM). Contrary to the conventional SLM which rotates the phases of QAM symbols in the frequency domain, the proposed scheme changes the magnitudes as well as the phases of QAM symbols by applying binary sequences to the binary data sequence before mapped to QAM symbols. Simulation results show that the proposed scheme has better PAPR reduction performance than the conventional SLM scheme for the QAM modulated OFDM signals, especially for the small number of subcarriers.

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  Cite this article

[IEEE Style]

H. Jeon, K. Kim, J. No, D. Shin, "Amplitude and Phase Variant SLM Scheme for PAPR Reduction in QAM Modulated OFDM Signals," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 203-209, 2010. DOI: .

[ACM Style]

Hyun-Bae Jeon, Ki-Hoon Kim, Jong-Seon No, and Dong-Joon Shin. 2010. Amplitude and Phase Variant SLM Scheme for PAPR Reduction in QAM Modulated OFDM Signals. The Journal of Korean Institute of Communications and Information Sciences, 35, 2, (2010), 203-209. DOI: .

[KICS Style]

Hyun-Bae Jeon, Ki-Hoon Kim, Jong-Seon No, Dong-Joon Shin, "Amplitude and Phase Variant SLM Scheme for PAPR Reduction in QAM Modulated OFDM Signals," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 203-209, 2. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880