High-Altitude Platform for Free-Space Optical Communication: Performance Evaluation and Reliability Analysis

Sharma, Manish; Chadha, D.; Chandra, Vinod

doi:10.1364/jocn.8.000600

Cited by 56 publications

(17 citation statements)

References 18 publications

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“…[138] analyzes amplify-and-forward relaying with channel state information and fixed-gain relays regarding signal-to-interference-plusnoise ratio (SINR) and coverage probability. Consequently, [139] derives the closed-form expression of BER and channel capacity showing the effects of pointing errors and beam wandering for FSO-based inter-HAP links. Michailidis et al further investigates hybrid triple-hop RF-FSO-RF links for HAPs based communication systems where the two HAPs are connected through FSO while the HAP-to-ground link is RF [140].…”

Section: A Hap-to-hap Links (Hhl)mentioning

confidence: 99%

Point-to-Point Communication in Integrated Satellite-Aerial 6G Networks: State-of-the-Art and Future Challenges

Saeed

Dahrouj

Al-Naffouri

et al. 2021

IEEE Open J. Commun. Soc.

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This paper surveys the literature on point-to-point (P2P) links for integrated satellite-aerial networks, which are envisioned to be among the key enablers of the sixth-generation (6G) of wireless networks vision. The paper first outlines the unique characteristics of such integrated large-scale complex networks, often denoted by spatial networks, and focuses on two particular space-air infrastructures, namely, satellites networks and high-altitude platforms (HAPs). The paper then classifies the connecting P2P communications links as satellite-to-satellite links at the same layer (SSLL), satellite-to-satellite links at different layers (SSLD), and HAP-to-HAP links (HHL). The paper surveys each layer of such spatial networks separately, and highlights the possible natures of the connecting links (i.e., radiofrequency or free-space optics) with a dedicated survey of the existing link-budget results. The paper, afterwards, presents the prospective merit of realizing such an integrated satellite-HAP network towards providing broadband services in under-served and remote areas. Finally, the paper sheds light on several future research directions in the context of spatial networks, namely large-scale network optimization, intelligent offloading, smart platforms, energy efficiency, multiple access schemes, distributed spatial networks, and routing. Index Terms-Integrated satellite-aerial networks, spatial networks, satellites, high-altitude platforms, broadband services.

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Section: A Hap-to-hap Links (Hhl)mentioning

confidence: 99%

Point-to-Point Communication in Integrated Satellite-Aerial 6G Networks: State-of-the-Art and Future Challenges

Saeed

Dahrouj

Al-Naffouri

et al. 2021

IEEE Open J. Commun. Soc.

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“…The atmospheric attenuation is described by the exponential Beer-Lambert's Law as [26] h l = exp( ⇠L p ),…”

Section: ) Atmospheric Attenuationmentioning

confidence: 99%

Design and Performance of Relay-Assisted Satellite Free-Space Optical Quantum Key Distribution Systems

Pham

Dang

2020

IEEE Access

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This paper studies the design and performance analysis of relay-assisted satellite freespace optics (FSO) quantum key distribution (QKD) systems for secure vehicular networks. High-altitude platforms (HAPs) equipped with optical amplify-and-forward nodes are used as relay stations. Secrecy performances in terms of quantum bit error rate and ergodic secret-key rate are analytically investigated under the effects of transceiver misalignment, receiver's velocity variation, receiver noises, and atmospheric turbulence conditions. Based on the analyzed results, the design criteria for the legitimate user are determined so that the security of the considered system could be guaranteed. INDEX TERMS Atmospheric turbulence, high-altitude platform (HAP), free-space optics (FSO), pointing error, quantum key distribution (QKD), reciever's velocity variation.

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“…As the amount of mobile traffic continuously increases, new expectations on 6G mobile network service types and performance bounds are being proposed. Among several candidate architectures of 6G mobile networks, the solution model using unmanned aerial vehicle (UAV)‐based aerial platforms (APs) supporting multi‐hop free space optical (FSO) broadband links [1] is a strong candidate. As a result, much research on AP‐based FSO networking has been conducted.…”

Section: Introductionmentioning

confidence: 99%

Combined time bound optimization of control, communication, and data processing for FSO‐based 6G UAV aerial networks

Seo

Chung

2020

ETRI Journal

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Because of the rapid increase of mobile traffic, flexible broadband supportive unmanned aerial vehicle (UAV)‐based 6G mobile networks using free space optical (FSO) links have been recently proposed. Considering the advancements made in UAVs, big data processing, and artificial intelligence precision control technologies, the formation of an additional wireless network based on UAV aerial platforms to assist the existing fixed base stations of the mobile radio access network is considered a highly viable option in the near future. In this paper, a combined time bound optimization scheme is proposed that can adaptively satisfy the control and communication time constraints as well as the processing time constraints in FSO‐based 6G UAV aerial networks. The proposed scheme controls the relation between the number of data flows, input data rate, number of worker nodes considering the time bounds, and the errors that occur during communication and data processing. The simulation results show that the proposed scheme is very effective in satisfying the time constraints for UAV control and radio access network services, even when errors in communication and data processing may occur.

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High-Altitude Platform for Free-Space Optical Communication: Performance Evaluation and Reliability Analysis

Cited by 56 publications

References 18 publications

Point-to-Point Communication in Integrated Satellite-Aerial 6G Networks: State-of-the-Art and Future Challenges

Point-to-Point Communication in Integrated Satellite-Aerial 6G Networks: State-of-the-Art and Future Challenges

Design and Performance of Relay-Assisted Satellite Free-Space Optical Quantum Key Distribution Systems

Combined time bound optimization of control, communication, and data processing for FSO‐based 6G UAV aerial networks

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