English
Related papers

Related papers: Practical Interpolation for Spectrum Cartography t…

200 papers

We investigate a monostatic orthogonal frequency-division multiplexing (OFDM)-based joint communication and sensing (JCAS) system for object tracking. Our setup consists of a transmitter and receiver equipped with an antenna array for fully…

Signal Processing · Electrical Eng. & Systems 2025-03-06 Charlotte Muth , Leon Schmidt , Shrinivas Chimmalgi , Laurent Schmalen

Three-dimensional wind retrievals from ground-based Doppler radars have played an important role in meteorological research and nowcasting over the past four decades. However, in recent years, the proliferation of open-source software and…

Atmospheric and Oceanic Physics · Physics 2023-11-29 Jordan P. Brook , Alain Protat , Corey K. Potvin , Joshua S. Soderholm , Hamish McGowan

In wireless sensor networks, bandwidth is one of precious resources to multimedia applications. To get more bandwidth, multipath routing is one appropriate solution provided that inter-path interferences are minimized. In this paper, we…

Networking and Internet Architecture · Computer Science 2008-10-08 Moufida Maimour

Implicit neural representations (INRs) are increasingly being used as tools to map coordinates to signals, encompassing applications from neural fields to texture compression, shape representations, and beyond. Most INR methods are based on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Guillaume Perez , Janarbek Matai , Takahiro Harada

The unceasing demand for continuous situational awareness calls for innovative and large-scale signal processing algorithms, complemented by collaborative and adaptive sensing platforms to accomplish the objectives of layered sensing and…

Methodology · Statistics 2015-05-20 Juan A. Bazerque , Gonzalo Mateos , Georgios B. Giannakis

Spectrum resources are facing huge demands and cognitive radio (CR) can improve the spectrum utilization. Recently, power spectral density (PSD) map is defined to enable the CR to reuse the frequency resources regarding to the area. For…

Information Theory · Computer Science 2016-12-12 Mohammad Eslami , Farah Torkamani-Azar , Esfandiar Mehrshahi

We combine single- and two-photon interference procedures for characterizing any multi-port linear optical interferometer accurately and precisely. Accuracy is achieved by estimating and correcting systematic errors that arise due to…

Quantum Physics · Physics 2016-03-03 Ish Dhand , Abdullah Khalid , He Lu , Barry C. Sanders

This paper investigates the deployment of radio stripe systems for indoor radio-frequency (RF) wireless power transfer (WPT) in line-of-sight near-field scenarios. The focus is on environments where energy demand is concentrated in specific…

Signal Processing · Electrical Eng. & Systems 2025-09-23 Amirhossein Azarbahram , Onel L. A. López , Petar Popovski , Matti Latva-aho

Integrated sensing and communication improves the design of systems by combining sensing and communication functions for increased efficiency, accuracy, and cost savings. The optimal integration requires understanding the trade-off between…

Information Theory · Computer Science 2023-02-13 Geon Choi , Namyoon Lee

This work reports experiences on using radio ranging to position sensors in a grid topology. The implementation is simple, efficient, and could be practically distributed. The paper describes an implementation and experimental result based…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Chen Zhang , Ted Herman

Grid mapping is a fundamental approach to modeling the environment of intelligent vehicles or robots. Compared with object-based environment modeling, grid maps offer the distinct advantage of representing the environment without requiring…

Robotics · Computer Science 2026-04-03 Robin Dehler , Dominik Authaler , Aryan Thakur , Thomas Wodtko , Michael Buchholz

Radio maps are essential for enhancing wireless communications and localization. However, existing methods for constructing radio maps typically require costly calibration processes to collect location-labeled channel state information…

Machine Learning · Computer Science 2025-10-10 Zheng Xing , Junting Chen

In mesh-based numerical simulations, the interpolation of mesh-defined functions across different meshes is a critical task, and achieving high-precision interpolation is of great significance for improving the computational efficiency and…

Numerical Analysis · Mathematics 2026-04-15 Jiaxiong Hao , Yunqing Huang , Nianyu Yi

In interpretation of remote sensing images, it is possible that some images which are supplied by different sensors become incomprehensible. For better visual perception of these images, it is essential to operate series of pre-processing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Mohammad Reza Khosravi , Mohammad Sharif-Yazd , Mohammad Kazem Moghimi , Ahmad Keshavarz , Habib Rostami , Suleiman Mansouri

In order to evaluate the performance of radar and communication systems in future wireless networks, accurate propagation models are needed to predict efficiently the received powers at each node, and draw correct conclusions. In this…

Signal Processing · Electrical Eng. & Systems 2024-06-05 François De Saint Moulin , Christophe Craeye , Luc Vandendorpe , Claude Oestges

To accurately estimate locations and velocities of surrounding targets (cars) is crucial for advanced driver assistance systems based on radar sensors. In this paper we derive methods for fusing data from multiple radar sensors in order to…

Signal Processing · Electrical Eng. & Systems 2019-08-08 Bin Zhu , Augusto Ferrante , Johan Karlsson , Mattia Zorzi

In this paper we describe how MAP inference can be used to sample efficiently from Gibbs distributions. Specifically, we provide means for drawing either approximate or unbiased samples from Gibbs' distributions by introducing low…

Machine Learning · Computer Science 2013-10-01 Tamir Hazan , Subhransu Maji , Tommi Jaakkola

Autoencoders are important generative models that, among others, have the ability to interpolate image sequences. However, interpolated images are usually not semantically meaningful.In this paper, motivated by dynamic optimal transport, we…

Optimization and Control · Mathematics 2024-04-16 Xue Feng , Thomas Strohmer

By applying tunable phase shifts to incident waves via passive signal reflection, intelligent reflecting surface (IRS) can offer significant performance improvement for wireless communication systems. To reap such performance gain, channel…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Ge Yan , Lipeng Zhu , He Sun , Rui Zhang

A corpus of recent work has revealed that the learned index can improve query performance while reducing the storage overhead. It potentially offers an opportunity to address the spatial query processing challenges caused by the surge in…

Databases · Computer Science 2021-02-16 Songnian Zhang , Suprio Ray , Rongxing Lu , Yandong Zheng