Dual Purpose Antenna for Hybrid Free Space Optics/RF Communication Systems

Mojtaba Mansour Abadi, Zabih Ghassemlooy, Stanislav Zvanovec, David Smith, Manav Bhatnagar, Yongle Wu

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

The concept of hybrid free space optical/radio frequency (FSO/RF) communications has been considered for the last mile access network applications. The existing schemes mostly use two separate transceiver antennas for outdoor terrestrial links of few kilometres long. In this paper, we propose and investigate a single hybrid FSO/RF antenna that could be used in high-speed access networks. We outline the design procedures based on the concept of Cassegrain antenna, and show how the FSO transceiver is incorporated into the original design. The proposed antenna is fabricated and extensive measurements are carried out for the radiation pattern, return loss, RF signal-to-noise ratio and the FSO received power. By performing link budget analysis and the results obtained from experiments, we demonstrate the operation of proposed hybrid antenna with 1 × 3 single-input multiple-output configuration and an equal gain combining at the receiver under moderate regime turbulence regime.
Original languageEnglish
Pages (from-to)3432-3439
JournalJournal of Lightwave Technology
Volume34
Issue number14
Early online date23 May 2016
DOIs
Publication statusPublished - 15 Jul 2016

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