Time domain cyclic selective mapping for PAPR reduction in MIMO-OFDM systems

Pamungkasari, P.; Shubhi, I.; Juwono, Filbert Hilman; Mariyam, P.; Gunawan, D.

doi:10.1109/ICIRD.2018.8376302

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Authors

Pamungkasari, P.

Shubhi, I.

Juwono, Filbert Hilman

Mariyam, P.

Gunawan, D.

Date

2018

Type

Conference Paper

Metadata

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Citation

Pamungkasari, P. and Shubhi, I. and Juwono, F.H. and Mariyam, P. and Gunawan, D. 2018. Time domain cyclic selective mapping for PAPR reduction in MIMO-OFDM systems, pp. 1-4.

Source Title

2018 IEEE International Conference on Innovative Research and Development, ICIRD 2018

DOI

10.1109/ICIRD.2018.8376302

ISBN

9781538656969

School

Curtin Malaysia

URI

http://hdl.handle.net/20.500.11937/73160

Collection

Curtin Research Publications

Abstract

© 2018 IEEE. Peak-to-average power ratio (PAPR) is one of the main impairments in multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems. Large PAPR causes inefficiency in the power amplifier (PA) so that the energy consumption of the devices increases. Selective mapping (SLM) has been commonly used as the favorable PAPR reduction technique. Conventional SLM technique has relatively high complexity due to the use of some inverse discrete Fourier transform (IDFT) operations. In addition, it requires to transmit side information (SI) to the receiver. In this paper, we examine the performance of the low complexity time domain cyclic SLM (TD-C-SLM) in MIMO-OFDM systems. TD-C-SLM generates the signal candidates by summing the original OFDM signal and its cyclically shifted version. The signal candidate with the lowest PAPR will be transmitted. This technique requires no SI transmission. Simulation results show that up to 2 dB PAPR reduction can be achieved without increasing the out-of-band (OOB) spectrum by using the TD-C-SLM.