ICTACT Journal on Communication Technology

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Trellis Coded Mapping for Peak to Average Power Reduction in SFBC Mimo OFDM Systems


Affiliations
1 Department of Electronics and Telecommunication Engineering, Sinhgad Institute of Technology, India
2 Department of Electronics and Telecommunication Engineering, Zeal College of Engineering and Research, India
3 Department of Electronics and Telecommunication Engineering, Army Institute of Technology, India
     

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Space frequency block code orthogonal frequency division multiplexing (SFBC-OFDM) systems has inherit drawbacks of high peak-to average power ratio (PAPR) signals, and constellation shaping with trellis is a promising approach for reducing both peak power and bit error rate of SFBC-OFDM signals. In practice, reliability will improve in SFBC-OFDM by employing coded modulation. In this work, it has been proposed two trellis coded mapping method for SFBC MIMO OFDM system for achieving good error performance as well as reduced PAPR and compared with SLM technique. Based on the simulation results the proposed methods has the capability to provide reduced PAPR and bit error rate in SFBC MIMO-OFDM systems without side information.

Keywords

Orthogonal Frequency Division Multiplexing (OFDM), Peak-to-Average Power Ratio (PAPR) Reduction, Space Frequency Block Code (SFBC), Trellis Shaping (TS), Zero Force Detection (ZF).
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  • Trellis Coded Mapping for Peak to Average Power Reduction in SFBC Mimo OFDM Systems

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Authors

P. N. Kota
Department of Electronics and Telecommunication Engineering, Sinhgad Institute of Technology, India
A. N. Gaikwad
Department of Electronics and Telecommunication Engineering, Zeal College of Engineering and Research, India
B. P. Patil
Department of Electronics and Telecommunication Engineering, Army Institute of Technology, India

Abstract


Space frequency block code orthogonal frequency division multiplexing (SFBC-OFDM) systems has inherit drawbacks of high peak-to average power ratio (PAPR) signals, and constellation shaping with trellis is a promising approach for reducing both peak power and bit error rate of SFBC-OFDM signals. In practice, reliability will improve in SFBC-OFDM by employing coded modulation. In this work, it has been proposed two trellis coded mapping method for SFBC MIMO OFDM system for achieving good error performance as well as reduced PAPR and compared with SLM technique. Based on the simulation results the proposed methods has the capability to provide reduced PAPR and bit error rate in SFBC MIMO-OFDM systems without side information.

Keywords


Orthogonal Frequency Division Multiplexing (OFDM), Peak-to-Average Power Ratio (PAPR) Reduction, Space Frequency Block Code (SFBC), Trellis Shaping (TS), Zero Force Detection (ZF).