Optimal Design of Dual-Hop VLC/RF Communication System With Energy Harvesting

Tamer Rakia, Hong Chuan Yang, Fayez Gebali, Mohamed-Slim Alouini

Research output: Contribution to journalArticlepeer-review

102 Scopus citations


In this letter, we consider a dual-hop heterogeneous visible light communication (VLC)/radio frequency (RF) communication system to extend the coverage of VLC systems. Besides detecting the information over VLC link, the relay is able to harvest energy from the first-hop VLC link, by extracting the direct current component of the received optical signal, and uses the harvested energy to retransmit the data to a mobile terminal over the second-hop RF link. We investigate the optimal design of the hybrid system in terms of data rate maximization.
Original languageEnglish (US)
Pages (from-to)1979-1982
Number of pages4
JournalIEEE Communications Letters
Issue number10
StatePublished - Jul 28 2016


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