Low Complexity PTS Scheme for Reducing PAPR in OFDM Systems 


Vol. 38,  No. 2, pp. 201-208, Feb.  2013


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  Abstract

In this paper, the PTS scheme generate alternative orthogonal frequency frequency division multiplexing (OFDM) signal sequences by multiplying all the time domain samples with phase rotating vectors to find an OFDM signal having the minimum peak-to-average power ratio (PAPR). However, it needs an exhaustive search which causes large computational complexity. In order to solve this problem, we propose two efficient methods based on the crest factor. The first proposed scheme is to select time domain sample with large magnitude to calculate PAPR, and the next scheme is to calculate the absolute value of real and imaginary part of the sample at each subblock. The simulation results show that the proposed schemes achieve better PAPR reduction performance than existing PTS schemes.

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  Cite this article

[IEEE Style]

Y. Cho, J. No, D. Shin, "Low Complexity PTS Scheme for Reducing PAPR in OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 2, pp. 201-208, 2013. DOI: .

[ACM Style]

Young-Jeon Cho, Jong-Seon No, and Dong-Joon Shin. 2013. Low Complexity PTS Scheme for Reducing PAPR in OFDM Systems. The Journal of Korean Institute of Communications and Information Sciences, 38, 2, (2013), 201-208. DOI: .

[KICS Style]

Young-Jeon Cho, Jong-Seon No, Dong-Joon Shin, "Low Complexity PTS Scheme for Reducing PAPR in OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 2, pp. 201-208, 2. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880