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

    Access Status
    Fulltext not available
    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.

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