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Dimming control technique for compressed sensing-based optical camera communications

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Abstract

Compressed sensing (CS)-based optical camera communications (CS-OCC) technology was previously studied to support accurate optical data detection with down-sampled measurements. This paper extends the CS-based OCC scheme to discuss the methods supporting dimming control functionality. Based on measurement matrices consisting of a random distribution of pseudo-noise (PN) code for sparse reconstruction, various solutions for a dimmable CS-OCC method are provided. The simulation results show that the CS-OCC scheme of Gaussian PN code with a varying mean signal shows the best data retrieval performance, while providing robust dimming control.

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Acknowledgements

This work was supported by the 2017 Yeungnam University Research Grant.

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Authors and Affiliations

  1. Department of Information Communication Technology Automotive Engineering, Hoseo University, 201, Sandan 7 Ro, Seokmoon-meon, Dangjin-si, Chungnam, 31702, Republic of Korea

    Byung Wook Kim

  2. Department of Electronic Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongsangbuk, 38541, Republic of Korea

    Sung-Yoon Jung

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  1. Byung Wook Kim
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Correspondence to Sung-Yoon Jung.

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Kim, B.W., Jung, SY. Dimming control technique for compressed sensing-based optical camera communications. Photon Netw Commun 36, 165–173 (2018). https://doi.org/10.1007/s11107-018-0775-7

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  • DOI: https://doi.org/10.1007/s11107-018-0775-7

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