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

Mansour Abadi, Mojtaba, Ghassemlooy, Zabih, Zvanovec, Stanislav, Smith, David, Bhatnagar, Manav and Wu, Yongle (2016) Dual Purpose Antenna for Hybrid Free Space Optics/RF Communication Systems. Journal of Lightwave Technology, 34 (14). pp. 3432-3439. ISSN 0733-8724

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Official URL: http://dx.doi.org/10.1109/JLT.2016.2571846

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.

Item Type: Article
Uncontrolled Keywords: Cassegrain antenna, free space optics (FSO), hybrid free space optical/radio frequency (FSO/RF), optical communication
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 11 Aug 2016 14:06
Last Modified: 06 Sep 2017 12:52
URI: http://nrl.northumbria.ac.uk/id/eprint/27548

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