Abstract
An integration involving power line communication (PLC) and visible light communication (VLC) technologies is experimentally investigated in this work, for data transmission in hospitals. This combination represents a promising solution in classified areas, where radio frequency wireless transmission is prohibitive due to interference in machinery used in certain medical services. This is also motivated by a physical layer transparency provided by the adoption of the orthogonal frequency division multiplexing (OFDM) in both technologies. Bit rates around 10 and 230 Mb/s measured after propagation through 21.7 m in downlink and uplink, respectively, show the suitability of the PLC technology as an alternative backbone to a central data monitoring. Moreover, a bit rate around 4.8 Mb/s can be achieved with the VLC system in a link of 2.0 m, with an error vector magnitude (EVM) of \(-24\) dB, confirming the robustness of this integration.
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Notes
- 1.
The factor \(g=\frac{T_g}{T}\) represents a penalty introduced by the cyclic prefix, an extension also used to facilitate the equalization process implemented in the receiver to compensate linear distortions.
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Acknowledgements
The authors acknowledge the support from the FAPES 80599230/17, 538/2018, 84343338, 601/2018, and CNPq 307757/2016-1, 304564/2016-8, 309823/2018-8 research projects. Conflict of Interest The authors declare that they have no conflict of interest.
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Lazaro, R. et al. (2022). Integrating Power Line and Visible Light Communication Technologies for Data Transmission in Hospital Environments. In: Bastos-Filho, T.F., de Oliveira Caldeira, E.M., Frizera-Neto, A. (eds) XXVII Brazilian Congress on Biomedical Engineering. CBEB 2020. IFMBE Proceedings, vol 83. Springer, Cham. https://doi.org/10.1007/978-3-030-70601-2_114
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