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PAPR Reduction in MIMO-OFDM by Using Active Partial Sequence

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Abstract

Multiple-input multiple-output (MIMO) modeling through the use of orthogonal frequency division multiplexing (OFDM) offers a viable alternative to reduce bandwidth and simultaneously improves the quality of service of wireless mobile communication. One of the major concerns in the MIMO-OFDM system is the high peak-to-average power ratio (PAPR). In this article, a combinational scheme, active partial sequence (APS), is proposed to combat PAPR in MIMO-OFDM under Rayleigh fading environment. The key idea of the APS method is to combine the approximate gradient project followed by partial transmit sequence technique. The simulation results show that the proposed method achieves a significant reduction in PAPR and maintains the same data rate without sacrificing the BER performance over other conventional techniques.

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Authors and Affiliations

  1. Department of Electronics and Communication, Jaypee University of Engineering and Technology, Guna, 473226, M.P., India

    Khushboo Pachori & Amit Mishra

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  1. Khushboo Pachori
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  2. Amit Mishra
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Correspondence to Khushboo Pachori.

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Pachori, K., Mishra, A. PAPR Reduction in MIMO-OFDM by Using Active Partial Sequence. Circuits Syst Signal Process 34, 3999–4010 (2015). https://doi.org/10.1007/s00034-015-0039-z

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  • DOI: https://doi.org/10.1007/s00034-015-0039-z

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