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Effect of shadowing and background radiation on optical OQAM-FBMC based visible light communication system

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Abstract

Filter bank multicarrier (FBMC) technique is a capable contender of 5G communication system. Recently it has been introduced to the optical wireless communication. FBMC has several advantages over orthogonal frequency division multiplexing such as low out-of-band distortion, asynchronous transmission and increased spectral efficiency. In this presented work, firstly the effect of shadowing and background radiation is analyzed on FBMC based visible light communication system. The minimization of bit error rate (BER) is done using metaheuristic optimization algorithm to obtain optimum performance of optical FBMC technique. Then estimation technique for shadowing and background radiation noise is proposed. The proposed estimation technique shows 20 percent improvement in the spectral efficiency of FBMC and BER is also improved by 2.5 dB than without estimation. However, computational complexity and PAPR is slightly increased due to extra processing at receiver which can be further reduced by algorithms.

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Funding

The author gratefully acknowledges the support of this research by Council of Scientific and Industrial Research (CSIR), New Delhi under the Senior Research Fellowship grant 09/135/(0798)/18-EMR-I.

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  1. Deptartment of ECE, UIET, Panjab University, Chandigarh, India

    Sanjeev Kumar & Preeti Singh

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  1. Sanjeev Kumar
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  2. Preeti Singh
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Correspondence to Preeti Singh.

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Kumar, S., Singh, P. Effect of shadowing and background radiation on optical OQAM-FBMC based visible light communication system. Opt Quant Electron 54, 61 (2022). https://doi.org/10.1007/s11082-021-03437-2

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  • DOI: https://doi.org/10.1007/s11082-021-03437-2

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