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Wireless Energy Transfer (WET) is a promising solution for powering massive Internet of Things deployments. An important question is whether the costly Channel State Information (CSI) acquisition procedure is necessary for optimum…

Networking and Internet Architecture · Computer Science 2020-12-23 Onel L. A. López , Nurul Huda Mahmood , Hirley Alves , Matti Latva-aho

Traditional global positioning systems often underperform indoors, whereas Wi-Fi has become an effective medium for various radio sensing services. Specifically, utilizing channel state information (CSI) from Wi-Fi networks provides a…

Signal Processing · Electrical Eng. & Systems 2024-12-04 Pei Tang , Jingtao Guo , Ivan Wang-Hei Ho

In this paper, we have developed a general-purpose architecture, Vit-Gan, capable of performing most of the image-to-image translation tasks from semantic image segmentation to single image depth perception. This paper is a follow-up paper,…

Image and Video Processing · Electrical Eng. & Systems 2021-10-19 Yiğit Gündüç

The performance analysis of wireless CSMA networks is notoriously difficult due to the intricate sensing and interference relationships among links. Even the fundamental problem of throughput characterization remains open when sensing and…

Networking and Internet Architecture · Computer Science 2026-04-15 Xinghua Sun , Wenhai Lin , Ruike Zhou

In this paper we propose a new problem scenario in image processing, wide-range image blending, which aims to smoothly merge two different input photos into a panorama by generating novel image content for the intermediate region between…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Chia-Ni Lu , Ya-Chu Chang , Wei-Chen Chiu

We propose deep learning based communication methods for adaptive-bandwidth transmission of images over wireless channels. We consider the scenario in which images are transmitted progressively in layers over time or frequency, and such…

Information Theory · Computer Science 2021-06-15 David Burth Kurka , Deniz Gündüz

Channel state information (CSI)-based fingerprinting via neural networks (NNs) is a promising approach to enable accurate indoor and outdoor positioning of user equipments (UEs), even under challenging propagation conditions. In this paper,…

Signal Processing · Electrical Eng. & Systems 2021-09-01 Emre Gönültaş , Eric Lei , Jack Langerman , Howard Huang , Christoph Studer

Person re-identification(ReID), as a crucial technology in the field of security, plays a vital role in safety inspections, personnel counting, and more. Most current ReID approaches primarily extract features from images, which are easily…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Chen Mao , Chong Tan , Jingqi Hu , Min Zheng

The growing role that artificial intelligence and specifically machine learning is playing in shaping the future of wireless communications has opened up many new and intriguing research directions. This paper motivates the research in the…

Machine Learning · Computer Science 2020-04-23 Muhammad Alrabeiah , Andrew Hredzak , Zhenhao Liu , Ahmed Alkhateeb

The pervasiveness of Wi-Fi signals provides significant opportunities for human sensing and activity recognition in fields such as healthcare. The sensors most commonly used for passive Wi-Fi sensing are based on passive Wi-Fi radar (PWR)…

Signal Processing · Electrical Eng. & Systems 2022-09-09 Armand K. Koupai , Mohammud J. Bocus , Raul Santos-Rodriguez , Robert J. Piechocki , Ryan McConville

Recent years have witnessed the rapid development in the research topic of WiFi sensing that automatically senses human with commercial WiFi devices. This work falls into two major categories, i.e., the activity recognition and the indoor…

Human-Computer Interaction · Computer Science 2019-07-22 Fei Wang , Jianwei Feng , Yinliang Zhao , Xiaobin Zhang , Shiyuan Zhang , Jinsong Han

Nowadays, the demand for image transmission over wireless networks has surged significantly. To meet the need for swift delivery of high-quality images through time-varying channels with limited bandwidth, the development of efficient…

Computational Engineering, Finance, and Science · Computer Science 2024-02-13 Mohammad Amin Jarrahi , Eirina Bourtsoulatze , Vahid Abolghasemi

Deep learning based semantic communication has achieved significant progress in wireless image transmission, but most existing schemes rely on fixed models and thus lack robustness to diverse image contents and dynamic channel conditions.…

Machine Learning · Computer Science 2026-04-06 Haowen Wan , Qianqian Yang

Airtime interference is a key performance indicator for WLANs, measuring, for a given time period, the percentage of time during which a node is forced to wait for other transmissions before to transmitting or receiving. Being able to…

Networking and Internet Architecture · Computer Science 2022-11-28 Danilo Marinho Fernandes , Jonatan Krolikowski , Zied Ben Houidi , Fuxing Chen , Dario Rossi

Latest diffusion-based methods for many image restoration tasks outperform traditional models, but they encounter the long-time inference problem. To tackle it, this paper proposes a Wavelet-Based Diffusion Model (WaveDM). WaveDM learns the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Yi Huang , Jiancheng Huang , Jianzhuang Liu , Mingfu Yan , Yu Dong , Jiaxi Lv , Chaoqi Chen , Shifeng Chen

State-of-the-art machine learning models, and especially deep learning ones, are significantly data-hungry; they require vast amounts of manually labeled samples to function correctly. However, in most medical imaging fields, obtaining said…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Guillem Pascual , Pablo Laiz , Albert García , Hagen Wenzek , Jordi Vitrià , Santi Seguí

Pervasive healthcare is a promising assisted-living solution for chronic patients. However, current cutting-edge communication technologies are not able to strictly meet the requirements of these applications, especially in the case of…

Networking and Internet Architecture · Computer Science 2022-04-11 Sergio Martiradonna , Giulia Cisotto , Gennaro Boggia , Giuseppe Piro , Lorenzo Vangelista , Stefano Tomasin

In this work, we consider a multiple-input single-output system in which an access point (AP) performs a simultaneous wireless information and power transfer (SWIPT) to serve a user terminal (UT) that is not equipped with external power…

Information Theory · Computer Science 2016-05-19 Chen-Feng Liu , Marco Maso , Subhash Lakshminarayana , Chia-Han Lee , Tony Q. S. Quek

Wireless indoor localization has been a pivotal area of research over the last two decades, becoming a cornerstone for numerous sensing applications. However, conventional wireless localization methods rely on channel state information to…

Signal Processing · Electrical Eng. & Systems 2025-01-31 Xueqiang Han , Tianyue Zheng , Tony Xiao Han , Jun Luo

In recent years, learned image compression methods have demonstrated superior rate-distortion performance compared to traditional image compression methods. Recent methods utilize convolutional neural networks (CNN), variational…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Priyanka Mudgal , Feng Liu