Cascaded PLC-VLC Channel Using OFDM and CSK Techniques

Ndjiongue, Alain R.; Shongwe, Thokozani; Ferreira, H.C.; Ngatched, Telex M. N.; Vinck, A. J. Han

doi:10.1109/glocom.2015.7417129

2015 IEEE Global Communications Conference (GLOBECOM) 2015

DOI: 10.1109/glocom.2015.7417129

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Cascaded PLC-VLC Channel Using OFDM and CSK Techniques

Alain R. Ndjiongue

Thokozani Shongwe

H.C. Ferreira

et al.

Abstract: This paper puts in Cascade the power line communications (PLC) channel and the visible light communications (VLC) channel, in order to use the PLC channel as backbone for the VLC channel. This combination is suitable for applications in which hybrid PLC-VLC systems are needed. We investigate the behaviour of the cascaded channels for a full link transmission. Quadrature phase shift keying combined with orthogonal frequency division multiplexing (QPSK-OFDM) is used over the PLC channel and color shift keying (C… Show more

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Cited by 24 publications

References 27 publications

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Hybrid PLC‐VLC channel model and spectral estimation using a nonparametric approach

Ndjiongue

Ferreira

Song

et al. 2017

Trans Emerging Tel Tech

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Telecommunication engineering may substantially benefit from the integration of power line communication (PLC) and visible light communication (VLC) technologies. This integration is enabled firstly by the ubiquitous nature of PLC and VLC infrastructures and secondly by the recent advances made in both technologies, and it will be effective with the knowledge of the cascaded PLC‐VLC channel. This paper reports on the spectral analysis and estimation of the dual channel for hybrid systems involving PLC and VLC technologies. The channels are statistically analysed using the nonparametric windowed Welch method. Experimental results giving varieties of simulated PLC‐VLC channel are presented. They show the influence of the number of taps (PLC side) and the line‐of‐sight and the non–line‐of‐sight gains (VLC side) on the PLC‐VLC frequency response. It also indicates that the cascaded channel is influenced by propagation distance and room area. We also show the influence of PLC and VLC channel parameters on the gain and notches.

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Hybrid PLC‐VLC channel model and spectral estimation using a nonparametric approach

Ndjiongue

Ferreira

Song

et al. 2017

Trans Emerging Tel Tech

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Power line communications (PLC) technology: More than 20 years of intense research

Ndjiongue

Ferreira

2019

Trans Emerging Tel Tech

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After more than two decades since intensive research began on power line communications (PLC) technology, this interesting field of telecommunication engineering is still progressing towards maturity. Despite some factors that delay its worldwide acceptance, its implementation is starting to take off. Research in PLC is motivated (i) by many factors such as the crowded radio frequency spectrum that requires to be sustained by alternative technologies and (ii) by the emanation of other new technologies that may help PLC to extend its practical implementation such as visible light communications or other wireless communication technologies like near‐field communications. PLC technology is used in applications requiring both low and high data rate but traditionally exploited in applications in which the node does not move. Nowadays, PLC has become widely accepted; hence, a review of the technology may be useful to keep the readers aware of new updates. In this paper, we provide an overview of the evolution of PLC technology over the last few decades.

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PSK to CSK mapping for hybrid systems involving the radio frequency and the visible spectrum

et al. 2016

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Cascaded PLC-VLC Channel Using OFDM and CSK Techniques

Cited by 24 publications

References 27 publications

Hybrid PLC‐VLC channel model and spectral estimation using a nonparametric approach

Hybrid PLC‐VLC channel model and spectral estimation using a nonparametric approach

Power line communications (PLC) technology: More than 20 years of intense research

PSK to CSK mapping for hybrid systems involving the radio frequency and the visible spectrum

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