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Space-Time Coded OFDM with Low PAPR

EURASIP Journal on Advances in Signal Processing volume 2006, Article number: 087125 (2006) Cite this article

Abstract

Recently the use of multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems has been proposed for signaling over frequency-selective fading channels. Although various aspects of these systems have been considered in the literature, the problem of the inherent high peak-to-average power ratio (PAPR) is not examined. In this paper, we consider PAPR reduction for MIMO-OFDM systems and propose alternate low-complexity algorithms that can be used in conjunction with the trellis shaping method. We show that a PAPR reduction in the order of 4- can be achieved at the cost of a slight reduction in the spectral efficiency. Furthermore, we compare the trellis shaping technique with other PAPR reduction techniques such as tone reservation and partial transmit sequences.

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Authors and Affiliations

  1. Department of Electrical Engineering, Arizona State University, Tempe, AZ, 85287-5706, USA

    Anand Venkataraman, Harish Reddy & Tolga M. Duman

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  1. Anand Venkataraman
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  2. Harish Reddy
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  3. Tolga M. Duman
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Correspondence to Anand Venkataraman.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Venkataraman, A., Reddy, H. & Duman, T.M. Space-Time Coded OFDM with Low PAPR. EURASIP J. Adv. Signal Process. 2006, 087125 (2006). https://doi.org/10.1155/ASP/2006/87125

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