MIMO-OFDM PAPR reduction by selected mapping using side information power allocation

Authors:
Byung Moo Lee;Rui J. P. de Figueiredo
Affiliations:
Central R&D Laboratory, Korea Telecom, Seoul 137-792, Republic of Korea;Laboratory for Intelligent Signal Processing and Communications, Department of Electrical Engineering and Computer Science, University of California, Irvine, CA 92697-2625, USA
Venue:
Digital Signal Processing
Year:
2010

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Abstract

In this paper, we present a Selected Mapping (SLM) PAPR reduction technique for MIMO-OFDM system with special protection of Side Information (SI). Selected Mapping (SLM) is a powerful PAPR reduction technique since it does not cause any signal distortion and simple to implement. As a special protection for the Side Information (SI) of SLM technique, we propose a SI power allocation procedure. Simulation results show that our proposed technique gives significantly better BER performance than the ordinary SLM technique for MIMO-OFDM systems. Analysis for the optimum SI power allocation is also presented.