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In this paper, a novel framework is proposed to enable air-to-ground channel modeling over millimeter wave (mmWave) frequencies in an unmanned aerial vehicle (UAV) wireless network. First, an effective channel estimation approach is…

Information Theory · Computer Science 2021-03-01 Qianqian Zhang , Aidin Ferdowsi , Walid Saad

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

In this paper, a novel framework is proposed to perform data-driven air-to-ground (A2G) channel estimation for millimeter wave (mmWave) communications in an unmanned aerial vehicle (UAV) wireless network. First, an effective channel…

Information Theory · Computer Science 2021-08-03 Qianqian Zhang , Aidin Ferdowsi , Walid Saad , Mehdi Bennis

Machine learning (ML) has attracted a great research interest for physical layer design problems, such as channel estimation, thanks to its low complexity and robustness. Channel estimation via ML requires model training on a dataset, which…

Signal Processing · Electrical Eng. & Systems 2021-11-16 Ahmet M. Elbir , Sinem Coleri

Unmanned aerial vehicles (UAVs) mobility enables flexible and customized federated learning (FL) at the network edge. However, the underlying uncertainties in the aerial-terrestrial wireless channel may lead to a biased FL model. In…

Networking and Internet Architecture · Computer Science 2023-01-02 Ruslan Zhagypar , Nour Kouzayha , Hesham ElSawy , Hayssam Dahrouj , Tareq Y. Al-Naffouri

This article proposes a generative neural network architecture for spatially consistent air-to-ground channel modeling. The approach considers the trajectories of uncrewed aerial vehicles along typical urban paths, capturing spatial…

Information Theory · Computer Science 2024-02-07 Amedeo Giuliani , Rasoul Nikbakht , Giovanni Geraci , Seongjoon Kang , Angel Lozano , Sundeep Rangan

In this work, a new data-driven fiber channel modeling method, generative adversarial network (GAN) is investigated to learn the distribution of fiber channel transfer function. Our investigation focuses on joint channel effects of…

Information Theory · Computer Science 2022-01-19 Hang Yang , Zekun Niu , Shilin Xiao , Jiafei Fang , Zhiyang Liu , David Faninsin , Lilin Yi

Vertical federated learning (FL) is a collaborative machine learning framework that enables devices to learn a global model from the feature-partition datasets without sharing local raw data. However, as the number of the local intermediate…

Information Theory · Computer Science 2023-05-11 Yuanming Shi , Shuhao Xia , Yong Zhou , Yijie Mao , Chunxiao Jiang , Meixia Tao

Statistical channel models are instrumental to design and evaluate wireless communication systems. In the millimeter wave bands, such models become acutely challenging; they must capture the delay, directions, and path gains, for each link…

Signal Processing · Electrical Eng. & Systems 2020-12-18 William Xia , Sundeep Rangan , Marco Mezzavilla , Angel Lozano , Giovanni Geraci , Vasilii Semkin , Giuseppe Loianno

Channel estimation is a critical task in intelligent reflecting surface (IRS)-assisted wireless systems due to the uncertainties imposed by environment dynamics and rapid changes in the IRS configuration. To deal with these uncertainties,…

Signal Processing · Electrical Eng. & Systems 2022-08-10 Ahmet M. Elbir , Sinem Coleri , Kumar Vijay Mishra

Federated learning (FL) offers a privacy-preserving collaborative approach for training models in wireless networks, with channel estimation emerging as a promising application. Despite extensive studies on FL-empowered channel estimation,…

Machine Learning · Computer Science 2024-07-31 Zexin Fang , Bin Han , Hans D. Schotten

The upper mid-band (FR3) has been recently attracting interest for new generation of mobile networks, as it provides a promising balance between spectrum availability and coverage, which are inherent limitations of the sub 6GHz and…

Information Theory · Computer Science 2024-04-29 Yaqi Hu , Mingsheng Yin , Marco Mezzavilla , Hao Guo , Sundeep Rangan

Communication at high carrier frequencies such as millimeter wave (mmWave) and terahertz (THz) requires channel estimation for very large bandwidths at low SNR. Hence, allocating an orthogonal pilot tone for each coherence bandwidth leads…

Signal Processing · Electrical Eng. & Systems 2020-12-23 Eren Balevi , Jeffrey G. Andrews

Federated learning (FL), as an emerging distributed machine learning paradigm, allows a mass of edge devices to collaboratively train a global model while preserving privacy. In this tutorial, we focus on FL via over-the-air computation…

Machine Learning · Computer Science 2023-10-17 Jingyang Zhu , Yuanming Shi , Yong Zhou , Chunxiao Jiang , Wei Chen , Khaled B. Letaief

Federated Learning (FL) has emerged as a decentralized technique, where contrary to traditional centralized approaches, devices perform a model training in a collaborative manner, while preserving data privacy. Despite the existing efforts…

Unmanned aerial vehicles (UAV) or drones play many roles in a modern smart city such as the delivery of goods, mapping real-time road traffic and monitoring pollution. The ability of drones to perform these functions often requires the…

Machine Learning · Computer Science 2023-04-14 Deng Pan , Mohammad Ali Khoshkholghi , Toktam Mahmoodi

Federated learning (FL) enables multiple devices to collaboratively train a global model while maintaining data on local servers. Each device trains the model on its local server and shares only the model updates (i.e., gradient weights)…

Machine Learning · Computer Science 2024-12-31 Nishant S. Gaikwad , Lucas Heublein , Nisha L. Raichur , Tobias Feigl , Christopher Mutschler , Felix Ott

Channel modeling is a critical topic when considering designing, learning, or evaluating the performance of any communications system. Most prior work in designing or learning new modulation schemes has focused on using highly simplified…

Machine Learning · Computer Science 2018-08-22 Timothy J. O'Shea , Tamoghna Roy , Nathan West

Wireless traffic prediction plays an indispensable role in cellular networks to achieve proactive adaptation for communication systems. Along this line, Federated Learning (FL)-based wireless traffic prediction at the edge attracts enormous…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-03 Chuanting Zhang , Haixia Zhang , Shuping Dang , Basem Shihada , Mohamed-Slim Alouini

In the realm of wireless communication, stochastic modeling of channels is instrumental for the assessment and design of operational systems. Deep learning neural networks (DLNN), including generative adversarial networks (GANs), are being…

Information Theory · Computer Science 2024-10-28 Lee Youngmin , Ma Xiaomin , Lang S. I. D. Andrew , Valderrama-Araya F. Enrique , Chapuis L. Andrew
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