Hybrid RF/VLC Communications Using Reconfigurable Intelligent Surfaces

In this paper, we suggest the use of Reconfigurable Intelligent Surfaces (RIS) for hybrid Radio Frequency (RF) Visible Light Communications (VLC). The signal is transmitted from a transmitter T to a relay C using RIS. RIS is implemented as a transmitter or a reflector between T and C . The relay nod...

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Bibliographic Details
Published in:Wireless personal communications 2021-12, Vol.121 (3), p.1533-1545
Main Authors: Alnwaimi, Ghassan, Boujemaa, Hatem
Format: Article
Language:English
Subjects:
Communications Engineering
Computer Communication Networks
Engineering
Networks
Radio frequency
Reconfigurable intelligent surfaces
Reflectors
Relay
Signal,Image and Speech Processing
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Summary:In this paper, we suggest the use of Reconfigurable Intelligent Surfaces (RIS) for hybrid Radio Frequency (RF) Visible Light Communications (VLC). The signal is transmitted from a transmitter T to a relay C using RIS. RIS is implemented as a transmitter or a reflector between T and C . The relay node C decodes the received signal and transmits it to the receiver R using a VLC link. The proposed VLC/RF communications using RIS offers 20–45 dB gain with respect to conventional RF/VLC when the number of reflectors N is varied from N = 16 to N = 256 .
ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-021-08683-x