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Dynamic range of LED in optical OFDM for PAPR performance analysis

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Abstract

The trend of high data rates in indoor environments has increased the demand for visible light communication (VLC). This paper investigates the performance of PAPR with dynamic range (DR) of LED in the existing system models of optical OFDM for indoor communication environments based on complimentary cumulative distribution function (CCDF). Four commonly used existing unipolar OFDM schemes which are DC-biased optical OFDM (DCO-OFDM), asymmetrically clipped optical OFDM (ACO-OFDM), Flip-OFDM and asymmetrically clipped DC-Biased (ADO-OFDM) Optical OFDM. These schemes have been investigated and compared with the dynamic range of LED in terms of the illumination level requirements in indoor environments for PAPR with and without dynamic range. The PAPR for different system models in optical domain has never been analyzed and compared earlier with the dynamic range of LED. The simulation and analytical results of BER are also compared to show the superiority of ADO and DCO over ACO and FLip optical OFDM schemes. The results indicate the superiority of DCO-OFDM and ADO-OFDM as the best ones among the four schemes in terms of LED’s DR at different indoor illumination levels.

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  1. Muhammad Sohail and Muzamil Bokhari have contributed equally to this work.

Authors and Affiliations

  1. Department of Physics, University of Balochistan, Sariab Road, Quetta, Balochistan, 87300, Pakistan

    Hafeez Ullah, Muhammad Sohail & Muzamil Bokhari

  2. Communication, Works, Physical Planning & Housing Department, Government of Balochistan, Quetta, Pakistan

    Hafeez Ullah

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  1. Hafeez Ullah
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  2. Muhammad Sohail
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Correspondence to Hafeez Ullah.

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Ullah, H., Sohail, M. & Bokhari, M. Dynamic range of LED in optical OFDM for PAPR performance analysis. Opt Quant Electron 54, 742 (2022). https://doi.org/10.1007/s11082-022-04154-0

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