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We introduce a novel neural network, SkyReconNet, which combines the expanded receptive fields of dilated convolutional layers along with standard convolutions, to capture both the global and local features for reconstructing the missing…

宇宙学与河外天体物理 · 物理学 2025-05-26 Reyhan D. Lambaga , Vipin Sudevan , Pisin Chen

This paper proposes an integrated sensing, navigation, and communication (ISNC) framework for safeguarding unmanned aerial vehicle (UAV)-enabled wireless networks against a mobile eavesdropping UAV (E-UAV). To cope with the mobility of the…

信息论 · 计算机科学 2023-05-23 Zhiqiang Wei , Fan Liu , Chang Liu , Zai Yang , Derrick Wing Kwan Ng , Robert Schober

The semi-airborne transient electromagnetic method (SATEM) is capable of conducting rapid surveys over large-scale and hard-to-reach areas. However, the acquired signals are often contaminated by complex noise, which can compromise the…

机器学习 · 计算机科学 2025-03-31 Shuang Wang , Ming Guo , Xuben Wang , Fei Deng , Lifeng Mao , Bin Wang , Wenlong Gao

A significant amount of research literature is dedicated to interference mitigation in Wireless Mesh Networks (WMNs), with a special emphasis on designing channel allocation (CA) schemes which alleviate the impact of interference on WMN…

网络与互联网体系结构 · 计算机科学 2018-08-20 Srikant Manas Kala , Vanlin Sathya , M Pavan Kumar Reddy , Betty Lala , Bheemarjuna Reddy Tamma

In this paper we present experimental implementations of interference alignment (IA) and coordinated multi-point transmission (CoMP). We provide results for a system with three base-stations and three mobile-stations all having two…

信息论 · 计算机科学 2015-03-19 Per Zetterberg , Nima N. Moghadam

Satellite communication constitutes a promising solution for the sixth generation (6G) wireless networks in terms of providing global communication services. In order to provide a cost-effective satellite network, we propose a novel…

信息论 · 计算机科学 2023-05-17 Tianwei Hou , Anna Li

Quantitative Susceptibility Mapping (QSM) quantifies tissue magnetic susceptibility from magnetic-resonance phase data and plays a crucial role in brain microstructure imaging, iron-deposition assessment, and neurological-disease research.…

图像与视频处理 · 电气工程与系统科学 2025-12-11 Xuan Cai , Ruo-Mi Guo , Xiao-Wen Luo , Jing Zhao , Silun Wang , Tao Tan , Yue Liu , Hongbin Han , Mengting Liu

The accuracy of indoor wireless localization systems can be substantially enhanced by map-awareness, i.e., by the knowledge of the map of the environment in which localization signals are acquired. In fact, this knowledge can be exploited…

信息论 · 计算机科学 2014-02-18 Francesco Montorsi , Fabrizio Pancaldi , Giorgio M. Vitetta

It has been shown that improper Gaussian signaling (IGS) can improve the performance of wireless interference-limited systems when perfect channel state information (CSI) is available. In this paper, we investigate the robustness of IGS…

信号处理 · 电气工程与系统科学 2019-04-09 Mohammad Soleymani , Christian Lameiro , Ignacio Santamaria , Peter J. Schreier

Image denoising is of vital importance in many imaging or computer vision related areas. With the convolutional neural networks showing strong capability in computer vision tasks, the performance of image denoising has also been brought up…

计算机视觉与模式识别 · 计算机科学 2021-12-23 Zhuang Jia

Multi-image super-resolution, which aims to fuse and restore a high-resolution image from multiple images at the same location, is crucial for utilizing satellite images. The satellite images are often occluded by atmospheric disturbances…

图像与视频处理 · 电气工程与系统科学 2022-08-17 Minji Lee

Ambient backscatter communication (AmBC) has emerged as a highly attractive paradigm for energy-efficient communication. Full-duplex multi-tag AmBC systems provide the scalability and efficient spectrum utilization essential for next…

信号处理 · 电气工程与系统科学 2025-12-16 Saeed Abdallah , Mahmoud A. Albreem , Bassel Al Homssi , Mohamed Saad , Abdulmalik Alwarafy

This work studies the problems of channel estimation and beamforming for active reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output (MIMO) communication, incorporating the mutual coupling (MC) effect through an…

信号处理 · 电气工程与系统科学 2025-07-31 Pinjun Zheng , Simon Tarboush , Hadi Sarieddeen , Tareq Y. Al-Naffouri

Reconfigurable intelligent surfaces (RISs) have been introduced as a remedy for mitigating frequent blockages in millimeter wave (mmWave) multiple-input multiple-output (MIMO) communication networks. However, perfect or nearly perfect…

信号处理 · 电气工程与系统科学 2021-06-22 Rafaela Schroeder , Jiguang He , Markku Juntti

Optimally extracting the advantages available from reconfigurable intelligent surfaces (RISs) in wireless communications systems requires estimation of the channels to and from the RIS. The process of determining these channels is…

信息论 · 计算机科学 2021-10-04 A. Lee Swindlehurst , Gui Zhou , Rang Liu , Cunhua Pan , Ming Li

Diffusion models (DMs) have recently achieved significant success in wireless communications systems due to their denoising capabilities. The broadcast nature of wireless signals makes them susceptible not only to Gaussian noise, but also…

信息论 · 计算机科学 2025-05-27 Tong Wu , Zhiyong Chen , Dazhi He , Feng Yang , Meixia Tao , Xiaodong Xu , Wenjun Zhang , Ping Zhang

Learning-based fluence map prediction offers a fast alternative to iterative inverse planning in intensity-modulated radiation therapy (IMRT), but its robustness under realistic distribution shifts remains unclear. We study a two-stage…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Ujunwa Mgboh , Rafi Ibn Sultan , Joshua Kim , Kundan Thind , Dongxiao Zhu

Reuse-1 systems operating in the sub-1 GHz UHF band are limited by substantial co-channel interference (CCI). In such orthogonal frequency division multiple access (OFDMA) cellular systems, the inter-sector or inter-tower interference (ITI)…

信息论 · 计算机科学 2022-11-16 Abhay Mohan M , Giridhar K

In this paper, we propose a location-aware channel estimation based on the atomic norm minimization (ANM) for the reconfigurable intelligent surface (RIS)-aided millimeter-wave multiple-input-multiple-output (MIMO) systems. The beam…

信号处理 · 电气工程与系统科学 2023-06-13 Hyeonjin Chung , Sunwoo Kim

A smart grid system can be considered as a multi-layered network with power network in one layer and communication network in the other. The entities in both the layers exhibit complex intra-and-interdependencies between them. A reliable…

网络与互联网体系结构 · 计算机科学 2020-08-19 Sohini Roy , Arunabha Sen