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Network-based Global Navigation Satellite Systems (GNSS) underpin critical infrastructure and autonomous systems, yet typically rely on centralized processing hubs that limit scalability, resilience, and latency. Here we report a…

Signal Processing · Electrical Eng. & Systems 2025-12-24 Xue Xian Zheng , Xing Liu , Tareq Y. Al-Naffouri

Dynamic Metasurface Antennas (DMAs) constitute a promising solution for extremely large antenna arrays, requiring lower power consumption and reduced hardware cost as compared to conventional phased arrays. In this paper, we consider a…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Konstantinos D. Katsanos , Panagiotis Gavriilidis , George C. Alexandropoulos

Low-light remote sensing images generally feature high resolution and high spatial complexity, with continuously distributed surface features in space. This continuity in scenes leads to extensive long-range correlations in spatial domains…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Zishu Yao , Guodong Fan , Jinfu Fan , Min Gan , C. L. Philip Chen

Convolutional neural networks (CNNs) have been applied to learn spatial features for high-resolution (HR) synthetic aperture radar (SAR) image classification. However, there has been little work on integrating the unique statistical…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Wenkai Liang , Yan Wu , Ming Li , Peng Zhang , Yice Cao , Xin Hu

The distributed adaptive signal fusion (DASF) framework allows to solve spatial filtering optimization problems in a distributed and adaptive fashion over a bandwidth-constrained wireless sensor network. The DASF algorithm requires each…

Signal Processing · Electrical Eng. & Systems 2025-05-02 Cem Ates Musluoglu , Alexander Bertrand

Radio frequency fingerprinting (RFF) is a promising device authentication technique for securing the Internet of things. It exploits the intrinsic and unique hardware impairments of the transmitters for RF device identification. In…

Signal Processing · Electrical Eng. & Systems 2023-06-26 Yuan Zeng , Yi Gong , Jiawei Liu , Shangao Lin , Zidong Han , Ruoxiao Cao , Kaibin Huang , Khaled Ben Letaief

We consider a wireless sensor network, consisting of N heterogeneous sensors and a fusion center (FC), tasked with solving a binary distributed detection problem. Sensors communicate directly with the FC over orthogonal fading channels.…

Signal Processing · Electrical Eng. & Systems 2021-08-25 Ghazaleh Ardeshiri , Azadeh Vosoughi

With the rapid development of deep learning, a variety of change detection methods based on deep learning have emerged in recent years. However, these methods usually require a large number of training samples to train the network model, so…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Weidong Yan , Pei Yan , Li Cao

A central problem in analog wireless sensor networks is to design the gain or phase-shifts of the sensor nodes (i.e. the relaying configuration) in order to achieve an accurate estimation of some parameter of interest at a fusion center, or…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Shahin Khobahi , Mojtaba Soltanalian , Feng Jiang , A. Lee Swindlehurst

Removing the noise and improving the visual quality of hyperspectral images (HSIs) is challenging in academia and industry. Great efforts have been made to leverage local, global or spectral context information for HSI denoising. However,…

Image and Video Processing · Electrical Eng. & Systems 2023-04-20 Haodong Pan , Feng Gao , Junyu Dong , Qian Du

Human activity recognition (HAR) in Internet of Things (IoT) environments must cope with heterogeneous sensor settings that vary across datasets, devices, body locations, sensing modalities, and channel compositions. This heterogeneity…

Machine Learning · Computer Science 2026-04-24 Tatsuhito Hasegawa

Flexible intelligent metasurface (FIM) has emerged as a transformative technology to enhance wireless sensing by dynamically morphing its three-dimensional (3D) surface shape and electromagnetic response. Unlike conventional rigid arrays,…

Information Theory · Computer Science 2025-07-01 Zihao Teng , Jiancheng An , Lu Gan , Naofal Al-Dhahir , Zhu Han

We consider a network, tasked with solving binary distributed detection, consisting of N sensors, a fusion center (FC), and a feedback channel from the FC to sensors. Each sensor is capable of harvesting energy and is equipped with a finite…

Signal Processing · Electrical Eng. & Systems 2022-10-12 Ghazaleh Ardeshiri , Azadeh Vosoughi

In the sixth-generation (6G) cellular networks, hybrid beamforming would be a real-time optimization problem that is becoming progressively more challenging. Although numerical computation-based iterative methods such as the minimal mean…

Signal Processing · Electrical Eng. & Systems 2022-09-27 Rafid Umayer Murshed , Zulqarnain Bin Ashraf , Abu Horaira Hridhon , Kumudu Munasinghe , Abbas Jamalipour , MD. Farhad Hossain

The Metaverse, a burgeoning collective virtual space merging augmented reality and persistent virtual worlds, necessitates advanced artificial intelligence (AI) and communication technologies to support immersive and interactive…

Machine Learning · Computer Science 2024-08-27 Yahao Ding , Wen Shang , Minrui Xu , Zhaohui Yang , Ye Hu , Dusit Niyato , Mohammad Shikh-Bahaei

We consider a small extent sensor network for event detection, in which nodes take samples periodically and then contend over a {\em random access network} to transmit their measurement packets to the fusion center. We consider two…

Networking and Internet Architecture · Computer Science 2016-11-18 Premkumar Karumbu , Venkata K. Prasanthi M. , Anurag Kumar

The doubly-dispersive (DD) channel structure has played a pivotal role in wireless communications, particularly in high-mobility scenarios and integrated sensing and communications (ISAC), due to its ability to capture the key fading…

Using RF signals for wireless sensing has gained increasing attention. However, due to the unwanted multi-path fading in uncontrollable radio environments, the accuracy of RF sensing is limited. Instead of passively adapting to the…

Signal Processing · Electrical Eng. & Systems 2020-11-26 Jingzhi Hu , Hongliang Zhang , Kaigui Bian , Marco Di Renzo , Zhu Han , Lingyang Song

The proliferation of Internet-of-Things (IoT) devices and cloud-computing applications over siloed data centers is motivating renewed interest in the collaborative training of a shared model by multiple individual clients via federated…

Information Theory · Computer Science 2021-10-14 Hong Xing , Osvaldo Simeone , Suzhi Bi

Recently, the application of deep learning to change detection (CD) has significantly progressed in remote sensing images. In recent years, CD tasks have mostly used architectures such as CNN and Transformer to identify these changes.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Jia Jia , Geunho Lee , Zhibo Wang , Lyu Zhi , Yuchu He