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Recently, Unmanned Aerial Vehicles (UAVs) are increasingly being investigated to collect sensory data in post-disaster monitoring scenarios, such as tsunamis, where early actions are critical to limit coastal damage. A major challenge is to…

Artificial Intelligence · Computer Science 2025-10-08 Yousef Emami , Seyedsina Nabavirazavi , Jingjing Zheng , Hao Zhou , Miguel Gutierrez Gaitan , Kai Li , Luis Almeida

The integration of unmanned aerial vehicles (UAVs) with mobile edge computing (MEC) and Internet of Things (IoT) technology in smart farms is pivotal for efficient resource management and enhanced agricultural productivity sustainably. This…

Signal Processing · Electrical Eng. & Systems 2024-07-30 Tingnan Bao , Aisha Syed , William Sean Kennedy , Melike Erol-Kantarci

Reconfigurable Intelligent Surface (RIS) is a pivotal technology in communication, offering an alternative path that significantly enhances the link quality in wireless communication environments. In this paper, we propose a RIS-assisted…

Machine Learning · Computer Science 2025-06-23 Kangwei Qi , Qiong Wu , Pingyi Fan , Nan Cheng , Wen Chen , Jiangzhou Wang , Khaled B. Letaief

Aerial robots are increasingly being utilized for environmental monitoring and exploration. However, a key challenge is efficiently planning paths to maximize the information value of acquired data as an initially unknown environment is…

Robotics · Computer Science 2022-03-04 Julius Rückin , Liren Jin , Marija Popović

Unmanned Aerial Vehicle (UAV) based communication networks (UCNs) are a key component in future mobile networking. To handle the dynamic environments in UCNs, reinforcement learning (RL) has been a promising solution attributed to its…

Systems and Control · Electrical Eng. & Systems 2024-09-26 Ran Zhang , Bowei Li , Liyuan Zhang , Jiang , Xie , Miao Wang

Reconfigurable intelligent surface (RIS)-aided networks have been investigated for the purpose of improving the system performance. However, the introduced unit modulus phase shifts and coupling characteristic bring enormous challenges to…

Information Theory · Computer Science 2021-08-19 Biqian Feng , Junyuan Gao , Yongpeng Wu , Wenjun Zhang , Xiang-Gen Xia , Chengshan Xiao

This comprehensive survey examines how Reconfigurable Intelligent Surfaces (RIS) revolutionize resource allocation in various network frameworks. It begins by establishing a theoretical foundation with an overview of RIS technologies,…

Emerging Technologies · Computer Science 2025-01-07 Manzoor Ahmed , Fang Xu , Yuanlin Lyu , Aized Amin Soofi , Yongxiao Li , Feroz Khan , Wali Ullah Khan , Muhammad Sheraz , Teong Chee Chuah , Min Deng

Unmanned aerial base stations (UABSs) can be deployed in vehicular wireless networks to support applications such as extended sensing via vehicle-to-everything (V2X) services. A key problem in such systems is designing algorithms that can…

Machine Learning · Computer Science 2022-10-06 Riccardo Marini , Sangwoo Park , Osvaldo Simeone , Chiara Buratti

The increasing demand for electricity, coupled with the rise in greenhouse gas emissions, necessitates the integration of Renewable Energy Sources (RESs) into power grids. However, the fluctuating nature of RESs introduces new challenges in…

Computational Engineering, Finance, and Science · Computer Science 2024-05-28 Ali Mohammadi Ruzbahani

Unmanned aerial vehicle (UAV) and reconfigurable intelligent surface (RIS) have been recently applied in the field of mobile edge computing (MEC) to improve the data exchange environment by proactively changing the wireless channels through…

Signal Processing · Electrical Eng. & Systems 2022-03-25 Zhiyuan Zhai , Xinhong Dai , Bin Duo , Xin Wang , Xiaojun Yuan

The user-centric cell-free network has emerged as an appealing technology to improve the next-generation wireless network's capacity thanks to its ability to eliminate inter-cell interference effectively. However, the cell-free network…

Signal Processing · Electrical Eng. & Systems 2023-01-09 Wangyang Xu , Jiancheng An , Hongbin Li , Lu Gan , Chau Yuen

Urban Air Mobility (UAM) relies on developing aerospace industries, where safe aviation and efficient communication are critical features of aircraft. However, it is challenging for aircraft to sustain efficient air-ground communication in…

Computational Engineering, Finance, and Science · Computer Science 2024-09-25 Kai Xiong , Supeng Leng , Liyuan Chen , Dapei Zhang , Chongwen Huang , Chau Yuen

The reconfigurable intelligent surface (RIS) technology shows great potential in sixth-generation (6G) terrestrial and non-terrestrial networks (NTNs) since it can effectively change wireless settings to improve connectivity. Extensive…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Muhammad Asif , Manzoor Ahmed , Symeon Chatzinotas

Non-terrestrial networks (NTNs) with low-earth orbit (LEO) satellites have been regarded as promising remedies to support global ubiquitous wireless services. Due to the rapid mobility of LEO satellite, inter-beam/satellite handovers happen…

Signal Processing · Electrical Eng. & Systems 2024-10-16 Yang Cao , Shao-Yu Lien , Ying-Chang Liang , Dusit Niyato , Xuemin , Shen

In this paper, we consider that the unmanned aerial vehicles (UAVs) with attached intelligent reflecting surfaces (IRSs) play the role of flying reflectors that reflect the signal of users to the destination, and utilize the power-domain…

Signal Processing · Electrical Eng. & Systems 2021-11-09 Hussein M. Hariz , Saeed Sheikhzadeh , Nader Mokari , Mohammad R. Javan , B. Abbasi-Arand , Eduard A. Jorswieck

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

In cellular-connected unmanned aerial vehicle (UAV) network, a minimization problem on the weighted sum of time cost and expected outage duration is considered. Taking advantage of UAV's adjustable mobility, an intelligent UAV navigation…

Signal Processing · Electrical Eng. & Systems 2021-09-20 Yuanjian Li , A. Hamid Aghvami , Daoyi Dong

The integration of Reconfigurable Intelligent Surfaces (RISs) into wireless environments endows channels with programmability, and is expected to play a key role in future communication standards. To date, most RIS-related efforts focus on…

Information Theory · Computer Science 2022-02-17 Kyriakos Stylianopoulos , Nir Shlezinger , Philipp del Hougne , George C. Alexandropoulos

We study the joint active/passive beamforming and channel blocklength (CBL) allocation in a non-ideal reconfigurable intelligent surface (RIS)-aided ultra-reliable and low-latency communication (URLLC) system. The considered scenario is a…

Information Theory · Computer Science 2024-10-28 Ramin Hashemi , Samad Ali , Nurul Huda Mahmood , Matti Latva-aho

With the aim of integrating over-the-air federated learning (AirFL) and non-orthogonal multiple access (NOMA) into an on-demand universal framework, this paper proposes a novel reconfigurable intelligent surface (RIS)-aided hybrid network…

Information Theory · Computer Science 2022-07-05 Wanli Ni , Yuanwei Liu , Zhaohui Yang , Hui Tian , Xuemin Shen