PAR reduction scheme for efficient detection of side information in OFDM-BLAST system

Authors:
Myung-Sun Baek;Sang-Tea Kim;Young-Hwan You;Hyoung-Kyu Song
Affiliations:
uT Communication Research Institute, Sejong University, Seoul, Korea;Korea Institute of Industrial Technology Evaluation & Planing;uT Communication Research Institute, Sejong University, Seoul, Korea;uT Communication Research Institute, Sejong University, Seoul, Korea
Venue:
ICCSA'07 Proceedings of the 2007 international conference on Computational science and its applications - Volume Part III
Year:
2007

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Abstract

In this paper, we investigate the PAR reduction scheme for efficient detection of side information in OFDM-based layered space-time system using the SLM approach. The investigated SLM-based OFDMBLAST system selects the transmitted sequence with the lowest average PAR over all transmitting antennas and retrieves the side information very accurately at the expense of a slight degradation of the PAR performance. The low probability of false side information can improve the overall detection performance of the OFDM-BLAST system with erroneous side information compared to the conventional SLM approach.