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Relay-assisted free-space optical (FSO) communication systems are exploited as a means to mitigate the limiting effects of the turbulence induced atmospheric scintillation. However, conventional ground relays are stationary, and their…

Information Theory · Computer Science 2021-04-13 Jin-Yuan Wang , Yang Ma , Rong-Rong Lu , Jun-Bo Wang , Min Lin , Julian Cheng

This letter studies an unmanned aerial vehicle (UAV) aided multicasting (MC) system, which is enabled by simultaneous free space optics (FSO) backhaul and power transfer. The UAV applies the power-splitting technique to harvest wireless…

Information Theory · Computer Science 2021-04-08 Yue Ling Che , Weibin Long , Sheng Luo , Kaishun Wu , Rui Zhang

By exploiting the degree of freedom on the altitude, unmanned aerial vehicle (UAV) communication can provide ubiquitous communication for future wireless networks. In the case of concurrent transmission of multiple UAVs, the directional…

Systems and Control · Electrical Eng. & Systems 2023-07-25 Weihao Wang , Zesong Fei , Jing Guo , Salman Durrani , Halim Yanikomeroglu

In this paper, we investigate the statistics of the free space optics (FSO) communication channel between a hovering unmanned aerial vehicle (UAV) and a central unit. Two unique characteristics make UAV-based FSO systems significantly…

Signal Processing · Electrical Eng. & Systems 2020-03-17 Marzieh Najafi , Hedieh Ajam , Vahid Jamali , Panagiotis D. Diamantoulakis , George K. Karagiannidis , Robert Schober

In this letter, the performance of multiuser-radio frequency/free space optics (RF/FSO) two-way relay network in the presence of interference is investigated. The FSO link accounts for pointing errors and both types of detection techniques,…

Signal Processing · Electrical Eng. & Systems 2019-05-09 Abhijeet Upadhya , Vivek K. Dwivedi , Mohamed-Slim Alouini

In this paper, we investigate the performance of a mixed radio-frequency-underwater wireless optical communication (RF-UWOC) system where an unmanned aerial vehicle (UAV), as a low-altitude mobile aerial base station, transmits information…

Information Theory · Computer Science 2020-11-19 Sai Li , Liang Yang , Daniel Benevides da Costa

Weight reduction and low power consumption are key requirements in the next generation of unmanned aerial vehicle (UAV) networks. Employing modulating retro-reflector (MRR)-based free space optical (FSO) technology is an innovative…

Signal Processing · Electrical Eng. & Systems 2022-03-15 Mohammad Taghi Dabiri , Mohsen Rezaee , Leila Mohammadi , Farhang Javaherian , Vahid Yazdanian , Mazen Omar Hasna , Murat Uysal

Recently, free-space optical (FSO) communication systems have obtained a wide range of applications for communications between unmanned aerial vehicles (UAVs) because they offer several advantages with respect to the traditional RF…

Signal Processing · Electrical Eng. & Systems 2021-06-30 Mohammad Taghi Dabiri , Seyed Mohammad Sajad Sadough , Himan Savojbolaghchi

This letter studies the impact of fluid antenna system (FAS) technology on the performance of unmanned aerial vehicle (UAV)-assisted multiuser communication networks. Specifically, we consider a scenario where a fixed-position antenna (FPA)…

Information Theory · Computer Science 2025-03-24 Farshad Rostami Ghadi , Masoud Kaveh , Francisco Hernando-Gallego , Diego Martin , Kai-Kit Wong , Chan-Byoung Chae

In this work, we study the performance of multiple-hop mixed frequency (RF)/free-space optical (FSO) communication-based decode-and-forward protocol for multicast networks. So far, serving a large number of users is considered a promising…

Signal Processing · Electrical Eng. & Systems 2022-03-23 Olfa Ben Yahia , Eylem Erdogan , Gunes Karabulut Kurt

Due to recent advances in laser satellite communications technology, free-space optical (FSO) links are presented as an ideal alternative to the conventional radio frequency (RF) feeder links of the geostationary satellite for next…

Information Theory · Computer Science 2020-06-01 Emna Zedini , Abla Kammoun , Mohamed-Slim Alouini

One of the key enablers for the realization of a variety of unmanned aerial vehicle (UAV)-based systems is the high-performance communication system linking many UAVs and ground station. We have proposed a spectrum-efficient full-duplex…

Information Theory · Computer Science 2022-11-07 Tao Yu , Kento Kajiwara , Kiyomichi Araki , Kei Sakaguchi

Integration of unmanned aerial vehicles (UAVs) for surveillance or monitoring applications into fifth generation (5G) New Radio (NR) cellular networks is an intriguing problem that has recently tackled a lot of interest in both academia and…

Signal Processing · Electrical Eng. & Systems 2024-08-28 Donatella Darsena , Ivan Iudice , Francesco Verde

Cellular-connected unmanned aerial vehicles (UAVs) represent a promising technology for extending the coverage of 5G and 6G networks in a cost-effective manner. Additionally, Massive multiple-input multiple-output (MIMO) serves as an…

Signal Processing · Electrical Eng. & Systems 2024-01-01 Byunghyun Lee , Andrew Marcum , David Love , James Krogmeier

Unmanned aerial vehicle (UAV)-based communications is a promising new technology that can add a wide range of new capabilities to the current network infrastructure. Given the flexibility, cost-efficiency, and convenient use of UAVs, they…

Signal Processing · Electrical Eng. & Systems 2020-01-13 Hedieh Ajam , Marzieh Najafi , Vahid Jamali , Robert Schober

The performance analysis of free space optical communication (FSO) system using relays and spatial diversity at the source is studied in this paper. The effect of atmospheric turbulence and attenuation, caused by different weather…

Signal Processing · Electrical Eng. & Systems 2018-04-03 Pranav Kumar Jha , Nitin Kachare , K Kalyani , D. Sriram Kumar

Hybrid free space optical (FSO)/radio frequency (RF) systems have been proved to be reliable links for high-data-rate wireless backhauls. In this paper, we present a unified performance analysis of the hybrid FSO/RF transmission system…

Signal Processing · Electrical Eng. & Systems 2020-12-30 Long Huang , Siming Liu , Pan Dai , Mi Li , Gee-Kung Chang , Yuechun Shi , Xiangfei Chen

In this paper, a dual-hop cooperative satellite-unmanned aerial vehicle (UAV) communication system including a satellite (S), a group of cluster headers (CHs), which are respectively with a group of uniformly distributed UAVs, is…

Information Theory · Computer Science 2021-03-19 Yu Tian , Gaofeng Pan , Mohamed-Slim Alouini

Due to its agile maneuverability, unmanned aerial vehicles (UAVs) have shown great promise for ondemand communications. In practice, UAV-aided aerial base stations are not separate. Instead, they rely on existing satellites/terrestrial…

Information Theory · Computer Science 2021-03-10 Xiangling Li , Wei Feng , Yunfei Chen , Cheng-Xiang Wang , Ning Ge

Unmanned aerial vehicles (UAVs)-based applications, such as surveillance systems and wireless relays, are attracting increasing attention from academia and industrial fields. The high-performance aerial communication system is one of the…

Information Theory · Computer Science 2022-02-02 Tao Yu , Kento Kajiwara , Kiyomichi Araki , Kei Sakaguchi
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