FSO-Based Vertical Backhaul/Fronthaul Framework for 5G+ Wireless Networks
Open accessAbstract
The presence of a super high rate, but also cost-efficient, easy-to-deploy, and scalable, backhaul/fronthaul framework, is essential in the upcoming 5G wireless networks and beyond. Motivated by the mounting interest in unmanned flying platforms of various types, including UAVs, drones, balloons, and HAPs/MAPs/LAPs, which we refer to as networked flying platforms (NFPs), for providing communications services, and by the recent advances in free space optics (FSO), this article investigates the feasibility of a novel vertical backhaul/fronthaul framework where the NFPs transport the backhaul/fronthaul traffic between the access and core networks via point-to- point FSO links. The performance of the proposed innovative approach is investigated under different weather conditions and a broad range of system parameters. Simulation results demonstrate that the FSO-based vertical backhaul/fronthaul framework can offer data rates higher than the baseline alternatives, and thus can be considered a promising solution to the emerging backhaul/fronthaul requirements of the 5G+ wireless networks, particularly in the presence of ultra-dense heterogeneous small cells. This article also presents the challenges that accompany such a novel framework and provides some key ideas toward overcoming these challenges.
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- Authors
- Alzenad, M., Shakir, M. Z., Yanikomeroglu, H., & Alouini, M.-S.
- Affiliations
- Carleton University (CA)
- University of the West of Scotland (GB)
- King Abdullah University of Science and Technology (SA)
- Venue
- IEEE Communications Magazine
- Published
- 2018-01
- Volume
- 56
- Issue
- 1
- Pages
- 218-224
- ISSN
- 0163-6804 (ISSN-L)
- OpenAlex
- W2461220469
- Cited by
- 49
- References
- 18
- Citations by year
- 2025: 1 · 2024: 4 · 2023: 3 · 2022: 6 · 2021: 8 · 2020: 7 · 2019: 7 · 2018: 7 · 2017: 5 · 2016: 1
- FWCI
- 2.77
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- IEEE Communications Magazine (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology) (submittedVersion)
- arXiv (Cornell University)
- Funders
- Ministry of Higher Education and Scientific Research
- Ministero dello Sviluppo Economico
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Optical Wireless Communication Technologies
- Physical Sciences › Engineering › Aerospace Engineering › UAV Applications and Optimization
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Photonic Communication Systems
- Keywords
- free-space optical communication, fronthaul, 5G, unmanned aerial vehicles, high-altitude platforms
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