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Related papers: Hovering UAV-Based FSO Communications: Channel Mod…

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This work analyzes the performance of an underlay cognitive radio based decode-and-forward mixed multiple-input multiple-output (MIMO) radio frequency/free space optical (RF/FSO) cooperative relay system with multiple mobile secondary and…

Information Theory · Computer Science 2018-05-16 Neeraj Varshney , Aditya K. Jagannatham , Pramod K. Varshney

In this work, we consider multi-hop and mesh hybrid teraHertz/free-space optics (THz/FSO)-based backhaul networks for high data-rate communications. The results are presented for the cases with both out-band integrated access and backhaul…

Signal Processing · Electrical Eng. & Systems 2024-06-19 Praveen Kumar Singya , Behrooz Makki , Antonio D'Errico , Mohamed-Slim Alouini

We propose a fixed wing unmanned aerial vehicles (UAV)-based millimeter wave (mmWave) backhaul links, that is offered as a cost effective and easy to deploy solution, to connect a disaster or remote area to the nearest core network. First,…

Signal Processing · Electrical Eng. & Systems 2022-04-13 Mohammad Taghi Dabiri , Mazen Omar Hasna , Nizar Zorba , Tamer Khattab

Unmanned Aerial Vehicle (UAV) assisted terahertz (THz) wireless communications have been expected to play a vital role in the next generation of wireless networks. UAVs can serve as either repeaters or data collectors within the…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Da Li , Peian Li , Jiabiao Zhao , Jianjian Liang , Jiacheng Liu , Guohao Liu , Yuanshuai Lei , Wenbo Liu , Jianqin Deng , Fuyong Liu , Jianjun Ma

This paper investigates the theoretical basis for using ground relaying in multi-antenna satellites exposed to blocking situations. Inactive and unobstructed User Equipments (UEs) located on ground are the relaying nodes of UEs that are not…

Information Theory · Computer Science 2022-12-14 Hadi Hashemi , Beatriz Soret , M. Carmen Aguayo-Torres

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

Unmanned aerial vehicles (UAVs) have recently found abundant applications in the public and civil domains. To ensure reliable control and navigation, connecting UAVs to controllers via existing cellular network infrastructure, i.e., ground…

Information Theory · Computer Science 2019-02-01 Xianghao Yu , Jun Zhang , Robert Schober , Khaled B. Letaief

In this letter, we consider the use of an unmanned aerial vehicle (UAV) as a mobile relay to assist the communication between two ground users without a direct link. We propose a novel store-then-amplify-and-forward (SAF) relaying protocol…

Information Theory · Computer Science 2020-01-07 Xiaochen Lin , Weidong Mei , Rui Zhang

Reconfigurable intelligent surface (RIS) is an excellent use case for line-of-sight (LOS) based technologies such as free-space optical (FSO) communications. In this paper, we analyze the performance of RIS-empowered FSO (RISE-FSO) systems…

Information Theory · Computer Science 2021-12-28 Vinay Kumar Chapala , S. M. Zafaruddin

We consider unmanned aerial vehicle (UAV)-assisted wireless communication employing UAVs as relay nodes to increase the throughput between a pair of transmitter and receiver. We focus on developing effective methods to position the UAV(s)…

Signal Processing · Electrical Eng. & Systems 2019-09-12 Seyyedali Hosseinalipour , Ali Rahmati , Huaiyu Dai

Federated learning (FL) is a promising distributed learning technique particularly suitable for wireless learning scenarios since it can accomplish a learning task without raw data transportation so as to preserve data privacy and lower…

Machine Learning · Computer Science 2022-04-14 Chun-Hung Liu , Di-Chun Liang , Rung-Hung Gau , Lu Wei

In this work, we consider the performance analysis of the uplink cellular networks with free space optics (FSO) backhauling. The user equipment (UE) communicates with the nearest Base Station (BS) in first slot while in second slot, the BS…

Information Theory · Computer Science 2020-10-29 Elyes Balti , Brian K. Johnson

The applications of the unmanned aerial vehicles (UAVs) increase rapidly in everyday life, thus detecting the UAVs and/or its pilot is a crucial task. Many UAVs adopt frequency hopping spread spectrum (FHSS) technology to efficiently and…

Signal Processing · Electrical Eng. & Systems 2020-03-10 Batuhan Kaplan , İbrahim Kahraman , Ali Görçin , Hakan Ali Çırpan , Ali Rıza Ekti

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

The consideration of mobile networks as a communication infrastructure for unmanned aerial vehicles (UAVs) creates a new plethora of emerging services and opportunities. In particular, the availability of different mobile network operators…

Networking and Internet Architecture · Computer Science 2022-01-20 H. Hellaoui , A. Chelli , M. Bagaa , T. Taleb

This paper studies the adaptive trajectory design of a rotary-wing UAV serving as a relay between ground nodes dispersed in a circular cell and generating uplink data transmissions randomly according to a Poisson process, and a central base…

Information Theory · Computer Science 2020-03-02 Matthew Bliss , Nicolò Michelusi

Communication infrastructure is often severely disrupted in post-disaster areas, which interrupts communications and impedes rescue. Recently, the technology of reconfigurable intelligent surface (RIS)-equipped-UAV has been investigated as…

Information Theory · Computer Science 2024-06-18 Yinong Chen , Wenchi Cheng , Wei Zhang

The widespread use of uncrewed aerial vehicles (UAVs) has propelled the development of advanced techniques on countering unauthorized UAV flights. However, the resistance of legal UAVs to illegal interference remains under-addressed. This…

Signal Processing · Electrical Eng. & Systems 2025-12-29 Zhuoran Li , Zhen Gao , Boyu Ning , Zhaocheng Wang

One of the major challenges for long range, high speed Free-Space Optical (FSO) communication is turbulence induced beam wander. Beam wander causes fluctuations in the received intensity as well as crosstalk in mode division multiplexed…

Signal Processing · Electrical Eng. & Systems 2019-07-25 Mitchell A. Cox , Lucas Gailele , Ling Cheng , Andrew Forbes

We consider unmanned aerial vehicle (UAV)-assisted wireless communication employing UAVs as relay nodes to increase the throughput between a pair of transmitter and receiver. We focus on developing effective methods to position the UAV(s)…

Networking and Internet Architecture · Computer Science 2020-07-21 Seyyedali Hosseinalipour , Ali Rahmati , Huaiyu Dai