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Line-of-sight (LOS) wireless communication at terahertz (THz) frequency bands is envisioned to play a major role in defining next-generation wireless technologies. This work analyzes the performance of a potential LOS THz system…

Information Theory · Computer Science 2022-12-22 Rayyan Abdalla , A. Brinton Cooper

THz band is envisioned to be used in 6G systems to meet the ever-increasing demand for data rate. However, before an eventual system design and deployment can proceed, detailed channel sounding measurements are required to understand key…

THz band communication technology will be used in the 6G networks to enable high-speed and high-capacity data service demands. However, THz-communication losses arise owing to limitations, i.e., molecular absorption, rain attenuation, and…

Networking and Internet Architecture · Computer Science 2025-03-21 Yu Min Park , Sheikh Salman Hassan , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

In communication-denied or contested environments, Line-of-Sight (LoS) communication (e.g free space optical communication using infrared or visible light) becomes one of the most reliable and efficient ways to send information between…

Robotics · Computer Science 2018-04-17 Md Mahbubur Rahman , Franklin Abodo , Leonardo Bobadilla , Brian Rapp

Terahertz (THz) band contains abundant spectrum resources that can offer ultra-high data rates. However, due to the THz band's inherent characteristics, i.e., low penetrability, high path loss, and non-negligible molecular absorption…

Networking and Internet Architecture · Computer Science 2021-03-25 Chao Wang , Young Jin Chun

Unlike terrestrial communications, unmanned aerial vehicle (UAV) communications have some advantages such as the line-of-sight (LoS) environment and flexible mobility. However, the interference will be still inevitable. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2019-09-30 Minsu Kim , Jemin Lee

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

Multi-robot navigation in complex environments relies on inter-robot communication and mutual observations for coordination and situational awareness. This paper studies the multi-robot navigation problem in unknown environments with…

Robotics · Computer Science 2025-02-24 Ruofei Bai , Shenghai Yuan , Kun Li , Hongliang Guo , Wei-Yun Yau , Lihua Xie

One of the major challenges slowing down the use of unmanned aerial vehicles (UAVs) as aerial base stations (ABSs) is the limited on-board power supply which reduces the UAV's flight time. Using a tether to provide UAVs with power can be…

Systems and Control · Electrical Eng. & Systems 2023-04-12 Safa Khemiri , Mustafa A. Kishk , Mohamed-Slim Alouini

To achieve ubiquitous connectivity in next-generation networks through aerospace communications while maintaining high data rates, Terahertz (THz) band communications (0.1-10 THz) with large continuous bandwidths are considered a promising…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Weijun Gao , Chong Han , Zhi Chen , Yong Chen , Yuanzhi He , Wenjun Zhang

This work describes the orchestration of a fleet of rotary-wing Unmanned Aerial Vehicles (UAVs) for harvesting prioritized traffic from random distributions of heterogeneous users with Multiple Input Multiple Output (MIMO) capabilities. In…

Systems and Control · Electrical Eng. & Systems 2024-04-02 Bharath Keshavamurthy , Nicolo Michelusi

Emergency communication is extremely important to aid rescue and search operation in the aftermath of any disaster. In such scenario, Unmanned Aerial Vehicle (UAV) networks may be used to complement the damaged cellular networks over large…

Networking and Internet Architecture · Computer Science 2021-03-31 Sharvari N P , Dibakar Das , Jyotsna Bapat , Debabrata Das

We develop a comprehensive framework to characterize and optimize the performance of a unmanned aerial vehicle (UAV)-assisted D2D network, where D2D transmissions underlay cellular transmissions. Different from conventional…

Information Theory · Computer Science 2020-08-17 Mehdi Monemi , Hina Tabassum

Accurate Probability of Line-of-Sight (PLoS) modeling is important in evaluating the performance of Unmanned Aerial Vehicle (UAV)-based communication systems in urban environments, where real-time communication and low latency are often…

Networking and Internet Architecture · Computer Science 2025-01-27 Abdul Saboor , Zhuangzhuang Cui , Evgenii Vinogradov , Sofie Pollin

Terahertz (THz) communication offers a promising solution for high-throughput wireless systems. However, the severe path loss of THz signals raises concerns about its effectiveness compared to radio frequency (RF) communication. In this…

Networking and Internet Architecture · Computer Science 2025-08-12 Zhengying Lou , Baha Eddine Youcef Belmekki , Mohamed-Slim Alouini

This paper considers the problem of ground user localization based on received signal strength (RSS) measurements obtained by an unmanned aerial vehicle (UAV). We treat UAV-user link channel model parameters and antenna radiation pattern of…

Information Theory · Computer Science 2022-05-09 Omid Esrafilian , Rajeev Gangula , David Gesbert

Benefiting from the ultra-wide bandwidth, terahertz (THz) communication is becoming a promising technology for future 6G networks. For THz communication, precoding is an essential technique to overcome the severe path loss of THz signals in…

Information Theory · Computer Science 2020-05-22 Jingbo Tan , Linglong Dai

A reliable communication network is essential for multiple UAVs operating within obstacle-cluttered environments, where limited communication due to obstructions often occurs. A common solution is to deploy intermediate UAVs to relay…

Robotics · Computer Science 2023-08-24 Yuda Chen , Meng Guo

This paper investigates an aerial reconfigurable intelligent surface (RIS)-aided communication system under the probabilistic line-of-sight (LoS) channel, where an unmanned aerial vehicle (UAV) equipped with an RIS is deployed to assist two…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Yifan Liu , Bin Duo , Qingqing Wu , Xiaojun Yuan , Jun Li , Yonghui LI

A reliable communication network is essential for multiple UAVs operating within obstacle-cluttered environments, where limited communication due to obstructions often occurs. A common solution is to deploy intermediate UAVs to relay…

Robotics · Computer Science 2025-07-30 Yuda Chen , Shuaikang Wang , Jie Li , Meng Guo