PAPR reduction performance by active constellation extension for diversity MIMO-OFDM systems

Authors:
Theodoros Tsiligkaridis;Douglas L. Jones
Affiliations:
Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL;Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL
Venue:
Journal of Electrical and Computer Engineering
Year:
2010

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Abstract

The V-BLAST wireless communication architecture, space-time block code (STBC), and space-frequency block code (SFBC) techniques are strong candidates for achieving very high data rates in 4G broadband wireless communications. This paper extends the efficient Active Constellation Extension Smart Gradient-Project (ACE-SGP) peak-to-average power (PAPR) reduction method to STBC, SFBC, and V-BLAST systems. Simulation results show 4.19 and 3.57 dB of PAPR reduction for the Alamouti STBC and SFBC, respectively.