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We study support for unmanned aerial vehicle (UAV) communications through a cell-free massive MIMO architecture, wherein a large number of access points (APs) is deployed in place of large co-located massive MIMO arrays. We consider also a…

Information Theory · Computer Science 2020-01-13 Carmen D'Andrea , Adrian Garcia-Rodriguez , Giovanni Geraci , Lorenzo Galati Giordano , Stefano Buzzi

In recent years, there has been a dramatic increase in the use of unmanned aerial vehicles (UAVs), particularly for small UAVs, due to their affordable prices, ease of availability, and ease of operability. Existing and future applications…

Signal Processing · Electrical Eng. & Systems 2018-01-08 Wahab Khawaja , Ismail Guvenc , David Matolak , Uwe-Carsten Fiebig , Nicolas Schneckenberger

In this paper, an unmanned aerial vehicles (UAV)-based heterogeneous network is studied to solve the problem of transferring massive traffic of distributed small cells to the core network. First, a detailed three-dimensional (3D) model of…

Signal Processing · Electrical Eng. & Systems 2022-08-12 Mohammad Taghi Dabiri , Mazen Hasna , Walid Saad

Modern cellular networks are multi-cell and use universal frequency reuse to maximize spectral efficiency. This results in high inter-cell interference. This problem is growing as cellular networks become three-dimensional with the adoption…

Information Theory · Computer Science 2023-05-15 Mojtaba Vaezi , Xingqin Lin , Hongliang Zhang , Walid Saad , H. Vincent Poor

The growing use of aerial user equipments (UEs) in various applications requires ubiquitous and reliable connectivity for safe control and data exchange between these devices and ground stations. Key questions that need to be addressed when…

Networking and Internet Architecture · Computer Science 2019-04-30 Mohammad Mahdi Azari , Fernando Rosas , Sofie Pollin

Decentralized learning empowers wireless network devices to collaboratively train a machine learning (ML) model relying solely on device-to-device (D2D) communication. It is known that the convergence speed of decentralized optimization…

Information Theory · Computer Science 2022-06-01 Matteo Zecchin , David Gesbert , Marios Kountouris

Recent research shows that integrating artificial intelligence (AI) into wireless communication systems can significantly improve spectral efficiency. However, most AI-based receiver studies rely on simulated radio channel data for both…

Signal Processing · Electrical Eng. & Systems 2025-02-05 Riku Luostari , Dani Korpi , Mikko Honkala , Janne M. J. Huttunen

This work proposes an empirical air to ground (A2G) propagation model specifically designed for cellular connected unmanned aerial vehicles (UAVs). An in depth aerial drive test was carried out within an operating Long Term Evolution (LTE)…

This paper aims to propose a three-dimensional (3D) point process model that can be employed to generally deploy unmanned aerial vehicles (UAVs) in a large-scale cellular network and tractably analyze the fundamental network-wide…

Information Theory · Computer Science 2021-01-01 Chun-Hung Liu , Di-Chun Liang , Md Asif Syed , Rung-Hung Gau

The growing use of Unmanned Aerial Vehicles (UAVs) for various applications requires ubiquitous and reliable connectivity for safe control and data exchange between these devices and ground terminals. Depending on the application,…

Networking and Internet Architecture · Computer Science 2019-01-09 Evgenii Vinogradov , Hazem Sallouha , Sibren De Bast , Mohammad Mahdi Azari , Sofie Pollin

Neural receivers have demonstrated strong performance in wireless communication systems. However, their effectiveness typically depends on access to large-scale, scenario-specific channel data for training, which is often difficult to…

Information Theory · Computer Science 2025-11-04 Xingyu Zhou , Le Liang , Xinjie Li , Jing Zhang , Peiwen Jiang , Xiao Li , Shi Jin

Integrating the unmanned aerial vehicles (UAVs) into the cellular network is envisioned to be a promising technology to significantly enhance the communication performance of both UAVs and existing terrestrial users. In this paper, we first…

Information Theory · Computer Science 2018-05-21 Shuowen Zhang , Yong Zeng , Rui Zhang

Unmanned Aerial Vehicles (UAVs) offer promising potential as communications node carriers, providing on-demand wireless connectivity to users. While existing literature presents various wireless channel models, it often overlooks the impact…

Networking and Internet Architecture · Computer Science 2024-05-03 Kamran Shafafi , Eduardo Nuno Almeida , André Coelho , Helder Fontes , Manuel Ricardo , Rui Campos

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…

The AI-enabled autoencoder has demonstrated great potential in channel state information (CSI) feedback in frequency division duplex (FDD) multiple input multiple output (MIMO) systems. However, this method completely changes the existing…

Signal Processing · Electrical Eng. & Systems 2024-07-02 Yupeng Li , Gang Li , Zirui Wen , Shuangfeng Han , Shijian Gao , Guangyi Liu , Jiangzhou Wang

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

The millimeter wave bands are being increasingly considered for wireless communication to unmanned aerial vehicles (UAVs). Critical to this undertaking are statistical channel models that describe the distribution of constituent parameters…

Signal Processing · Electrical Eng. & Systems 2021-08-27 William Xia , Sundeep Rangan , Marco Mezzavillla , Angel Lozano , Giovanni Geraci , Vasilii Semkin , Giuseppe Loianno

This paper leverages stochastic geometry to model, analyze, and optimize multi-band unmanned aerial vehicle (UAV) communication networks operating across low-frequency and millimeter-wave (mmWave) bands. We introduce a novel approach to…

Information Theory · Computer Science 2024-11-28 Xinsong Feng , Ian P. Roberts

Wireless communication networks have been witnessing an unprecedented demand due to the increasing number of connected devices and emerging bandwidth-hungry applications. Albeit many competent technologies for capacity enhancement purposes,…

In this paper, a machine learning method for predicting the evolution of a mobile communication channel based on a specific type of convolutional neural network is developed and evaluated in a simulated multipath transmission scenario. The…

Signal Processing · Electrical Eng. & Systems 2020-03-03 Julian Ahrens , Lia Ahrens , Hans D. Schotten