Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/151658
Title: HAPS-based relaying for integrated space-air-ground networks with hybrid FSO/RF communication : a performance analysis
Authors: R., Swaminathan
Sharma, Shubha
Vishwakarma, Narendra
Madhukumar, A. S.
Keywords: Engineering::Computer science and engineering
Issue Date: 2021
Source: R., S., Sharma, S., Vishwakarma, N. & Madhukumar, A. S. (2021). HAPS-based relaying for integrated space-air-ground networks with hybrid FSO/RF communication : a performance analysis. IEEE Transactions On Aerospace and Electronic Systems, 57(3), 1581-1599. https://dx.doi.org/10.1109/TAES.2021.3050663
Journal: IEEE Transactions on Aerospace and Electronic Systems 
Abstract: IEEE Optical wireless communication (OWC) has garnered significant importance to provide gigabit capacity links owing to its unique features. Free space optics (FSO) communication, which is the term used for OWC in outdoor scenario, is a good candidate to establish ground-to-satellite/satellite-to-ground links. Despite of many advantages, FSO communication in uplink is limited by the adverse effects of beam wander, beam scintillation, and pointing errors. Therefore, to counteract the limitations, it is wise to backup FSO links with reliable radio frequency (RF) links. In addition, the complementary characteristics exhibited by FSO and RF links to atmospheric effects have paved the way for hybrid FSO/RF communication. In recent years, a growing interest is also witnessed in the research and development of space-air-ground integrated network (SAGIN). This paper aims to fuse FSO and RF technologies for integrated space-air-ground uplink networks utilizing unmanned aerial vehicle (UAV) such as high altitude platform station (HAPS) as a relay station for achieving better reliability. Thus, we propose single-hop and SAGIN-based dual-hop system models for uplink satellite communication with hybrid FSO/RF links and the performance is investigated using analytical and simulation results. In summary, the results show that hybrid FSO/RF systems perform better than the FSO systems in uplink scenario due to backup RF link.
URI: https://hdl.handle.net/10356/151658
ISSN: 0018-9251
DOI: 10.1109/TAES.2021.3050663
Schools: School of Computer Science and Engineering 
Rights: © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: https://doi.org/10.1109/TAES.2021.3050663.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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