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In this paper, we consider a wireless uplink transmission scenario in which an unmanned aerial vehicle (UAV) serves as an aerial base station collecting data from ground users. To optimize the expected sum uplink transmit rate without any…

Signal Processing · Electrical Eng. & Systems 2021-03-04 Yuanjian Li , A. Hamid Aghvami , Daoyi Dong

Unmanned Aerial Vehicles (UAVs) are increasingly essential in various fields such as surveillance, reconnaissance, and telecommunications. This study aims to develop a learning algorithm for the path planning of UAV wireless communication…

Machine Learning · Computer Science 2025-01-20 Joseanne Viana , Boris Galkin , Lester Ho , Holger Claussen

Unmanned aerial vehicles (UAVs) have found widespread commercial, civilian, and military applications. Wireless communication has always been one of the core technologies for UAV. However, the communication capacity is becoming a bottleneck…

Signal Processing · Electrical Eng. & Systems 2021-10-26 Zhenyu Xiao , Lipeng Zhu , Yanming Liu , Pengfei Yi , Rui Zhang , Xiang-Gen Xia , Robert Schober

Millimeter wave communications are essential for modern wireless networks. It supports high data rates but suffers from severe path loss, which requires precise beam alignment to maintain reliable links. This beam management is particularly…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Ailton Oliveira , Amir Khatibi , Daniel Suzuki , Ilan Correa , José Rezende , Aldebaro Klautau

Integration of reinforcement learning with unmanned aerial vehicles (UAVs) to achieve autonomous flight has been an active research area in recent years. An important part focuses on obstacle detection and avoidance for UAVs navigating…

Artificial Intelligence · Computer Science 2021-03-12 Jeremy Roghair , Kyungtae Ko , Amir Ehsan Niaraki Asli , Ali Jannesari

Modern communication systems need to fulfill multiple and often conflicting objectives at the same time. In particular, new applications require high reliability while operating at low transmit powers. Moreover, reliability constraints may…

Information Theory · Computer Science 2024-04-05 Irshad A. Meer , Karl-Ludwig Besser , Mustafa Ozger , H. Vincent Poor , Cicek Cavdar

Millimeter wave (mmWave) communication, utilizing beamforming techniques to address the inherent path loss limitation, is considered as one of the key technologies to support ever increasing high throughput and low latency demands of…

Networking and Internet Architecture · Computer Science 2026-02-17 Muhammad Baqer Mollah , Honggang Wang , Mohammad Ataul Karim , Hua Fang

In this paper, we develop a deep learning (DL)-guided hybrid beam and power allocation approach for multiuser millimeter-wave (mmWave) networks, which facilitates swift beamforming at the base station (BS). The following persisting…

Signal Processing · Electrical Eng. & Systems 2023-05-24 Yuwen Cao , Tomoaki Ohtsuki , Setareh Maghsudi , Tony Q. S. Quek

Millimeter-wave (mmWave) is a key enabler for next-generation transportation systems. However, in an urban city scenario, mmWave is highly susceptible to blockages and shadowing. Therefore, base station (BS) placement is a crucial task in…

Signal Processing · Electrical Eng. & Systems 2024-04-24 Ahmed Al-Tahmeesschi , Jukka Talvitie , Miguel López-Benítez , Hamed Ahmadi , Laura Ruotsalainen

Using Unmanned Aerial Vehicles (UAVs) in Search and rescue operations (SAR) to navigate challenging terrain while maintaining reliable communication with the cellular network is a promising approach. This paper suggests a novel technique…

This paper aims to exploit the fundamental limits on the downlink coverage and spatial throughput performances of a cellular network comprised of a tier of unmanned aerial vehicle (UAV) base stations (BSs) using the millimeter wave (mmWave)…

Information Theory · Computer Science 2019-08-21 Chun-Hung Liu , Kai-Hsiang Ho , Jwo-Yuh Wu

Intelligent Transportation Systems (ITSs) require ultra-low end-to-end delays and multi-gigabit-per-second data transmission. Millimetre Waves (mmWaves) communications can fulfil these requirements. However, the increased mobility of…

Networking and Internet Architecture · Computer Science 2022-09-05 Ioannis Mavromatis , Andrea Tassi , Robert J. Piechocki , Andrew Nix

In this paper, we design a navigation policy for multiple unmanned aerial vehicles (UAVs) where mobile base stations (BSs) are deployed to improve the data freshness and connectivity to the Internet of Things (IoT) devices. First, we…

Signal Processing · Electrical Eng. & Systems 2020-03-11 Sarder Fakhrul Abedin , Md. Shirajum Munir , Nguyen H. Tran , Zhu Han , Choong Seon Hong

This paper studies the joint beamwidth and transmit power optimization problem in millimeter wave communication systems. A deep reinforcement learning based approach is proposed. Specifically, a customized deep Q network is trained offline,…

Information Theory · Computer Science 2020-06-25 Jiabao Gao , Caijun Zhong , Xiaoming Chen , Hai Lin , Zhaoyang Zhang

In this letter, we study the energy efficiency (EE) optimisation of unmanned aerial vehicles (UAVs) providing wireless coverage to static and mobile ground users. Recent multi-agent reinforcement learning approaches optimise the system's EE…

Networking and Internet Architecture · Computer Science 2022-04-05 Babatunji Omoniwa , Boris Galkin , Ivana Dusparic

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data rates in the future cellular and wireless networks. The need for directional communication between base stations (BSs) and users in mmWave systems,…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

Unmanned aerial vehicles (UAVs) with flexible deployment contribute to enlarging the distance of information transmission to mobile users (MUs) in constrained environment. However, due to the high mobility of both UAVs and MUs, it is…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-23 Jing Zhang , Sheng Gao , Xin Feng , Hongwei Yang , Geng Sun

In future drone applications fast moving unmanned aerial vehicles (UAVs) will need to be connected via a high throughput ultra reliable wireless link. MmWave communication is assumed to be a promising technology for UAV communication, as…

Signal Processing · Electrical Eng. & Systems 2020-10-08 Achiel Colpaert , Evgenii Vinogradov , Sofie Pollin

In this paper, the design of an optimal trajectory for an energy-constrained drone operating in dynamic network environments is studied. In the considered model, a drone base station (DBS) is dispatched to provide uplink connectivity to…

Machine Learning · Computer Science 2020-05-27 Ye Hu , Mingzhe Chen , Walid Saad , H. Vincent Poor , Shuguang Cui

The high overhead of the beam training process is the main challenge when establishing mmWave communication links, especially for vehicle-to-everything (V2X) scenarios where the channels are highly dynamic. In this paper, we obtain prior…

Signal Processing · Electrical Eng. & Systems 2021-11-17 Yun Chen , Andrew Graff , Nuria González-Prelcic , Takayuki Shimizu