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An emerging solution for prolonging the lifetime of energy constrained relay nodes in wireless networks is to avail the ambient radio-frequency (RF) signal and to simultaneously harvest energy and process information. In this paper, an…

Information Theory · Computer Science 2016-11-17 A. A. Nasir , X. Zhou , S. Durrani , R. A. Kennedy

Machine intelligence on edge devices enables low-latency processing and improved privacy, but is often limited by the energy and delay of moving and converting data. Current systems frequently avoid local model storage by sending queries to…

Emerging Technologies · Computer Science 2025-09-05 Sri Krishna Vadlamani , Kfir Sulimany , Zhihui Gao , Tingjun Chen , Dirk Englund

Random forests are widely used in regression. However, the decision trees used as base learners are poor approximators of linear relationships. To address this limitation we propose RaFFLE (Random Forest Featuring Linear Extensions), a…

Machine Learning · Computer Science 2025-02-17 Jakob Raymaekers , Peter J. Rousseeuw , Thomas Servotte , Tim Verdonck , Ruicong Yao

This paper presents a new approach to modelling wave propagation in random, linearly elastic materials, namely by means of Fourier integral operators (FIOs). The FIO representation of the solution to the equations of motion can be used to…

Analysis of PDEs · Mathematics 2021-09-09 Michael Oberguggenberger , Martin Schwarz

Forests are an essential part of our biosphere, regulating climate, acting as a sink for greenhouse gases, and providing numerous other ecosystem services. However, they are negatively impacted by climatic stressors such as drought or heat…

Enriching information of spectrum coverage, radiomap plays an important role in many wireless communication applications, such as resource allocation and network optimization. To enable real-time, distributed spectrum management,…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Yueling Zhou , Achintha Wijesinghe , Yue Wang , Songyang Zhang , Zhipeng Cai

The estimation of signal dimension under heavy-tailed latent factor models is studied. As a primary contribution, robust extensions of an earlier estimator based on Gaussian Stein's unbiased risk estimation are proposed. These novel…

Statistics Theory · Mathematics 2022-03-31 Joni Virta , Niko Lietzen , Henri Nyberg

This paper concerns about the radio propagation models used for the upcoming 4th Generation (4G) of cellular networks known as Long Term Evolution (LTE). The radio wave propagation model or path loss model plays a very significant role in…

Information Theory · Computer Science 2011-10-10 Noman Shabbir , Muhammad T. Sadiq , Hasnain Kashif , Rizwan Ullah

Here we propose the Reweighted Autoencoded Variational Bayes for Enhanced Sampling (RAVE) method, a new iterative scheme that uses the deep learning framework of variational autoencoders to enhance sampling in molecular simulations. RAVE…

Chemical Physics · Physics 2018-02-13 Joao Marcelo Lamim Ribeiro , Pablo Bravo Collado , Yihang Wang , Pratyush Tiwary

To achieve robust far-field automatic speech recognition (ASR), existing techniques typically employ an acoustic front end (AFE) cascaded with a neural transducer (NT) ASR model. The AFE output, however, could be unreliable, as the…

Ultrasonic wave attenuation({\alpha}) measurement by pulse-echo method exhibits pronounced dependence on experimental conditions. It is shown to be an inherent characteristic of the method itself. Estimation of {\alpha} from the component…

Other Condensed Matter · Physics 2018-05-14 Barnana Pal

The transmission rate of communication between radio telescopes on Earth and extraterrestrial intelligence (ETI) is here calculated up to distances of 1000 light years. Both phase-shift-keying (PSK) and frequency-shift keying (FSK)…

Instrumentation and Methods for Astrophysics · Physics 2011-09-01 P. A. Fridman

Accurate identification of deforestation from satellite images is essential in order to understand the geographical situation of an area. This paper introduces a new distributed approach to identify as well as locate deforestation across…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yuvraj Dutta , Aaditya Sikder , Basabdatta Palit

In order to provide design guidelines for energy efficient 6G networks, we propose a novel radial basis function (RBF) based optimization framework to maximize the integrated relative energy efficiency (IREE) metric. Different from the…

Networking and Internet Architecture · Computer Science 2024-05-22 Tao Yu , Pengbo Huang , Shunqing Zhang , Xiaojing Chen , Yanzan Sun , Xin Wang

Extensive research has produced robust methods for unsupervised data visualization. Yet supervised visualization$\unicode{x2013}$where expert labels guide representations$\unicode{x2013}$remains underexplored, as most supervised approaches…

Machine Learning · Computer Science 2025-05-20 Adrien Aumon , Shuang Ni , Myriam Lizotte , Guy Wolf , Kevin R. Moon , Jake S. Rhodes

Secure wireless information and power transfer based on directional modulation is conceived for amplify-and-forward (AF) relaying networks. Explicitly, we first formulate a secrecy rate maximization (SRM) problem, which can be decomposed…

Information Theory · Computer Science 2018-03-15 Xiaobo Zhou , Jun Li , Feng Shu , Qingqing Wu , Yongpeng Wu , Wen Chen , Hanzo Lajos

A stochastic modeling methodology for 3-D foliage is presented, aimed at enhancing ray-tracing simulations. The model supports adjustable stochastic geometry, density, and shape to capture variability in foliage structures. The model is…

Diffusion models have achieved remarkable success in generative modeling, yet how to effectively adapt large pretrained models to new tasks remains challenging. We revisit the reconstruction behavior of diffusion models during denoising to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Bo Yin , Xiaobin Hu , Xingyu Zhou , Peng-Tao Jiang , Yue Liao , Junwei Zhu , Jiangning Zhang , Ying Tai , Chengjie Wang , Shuicheng Yan

Secure signal processing is becoming a de facto model for preserving privacy. We propose a model based on the Fully Homomorphic Encryption (FHE) technique to mitigate security breaches. Our framework provides a method to perform a Fast…

Cryptography and Security · Computer Science 2016-11-29 Thomas Shortell , Ali Shokoufandeh

Radio frequency (RF) wireless power transfer (WPT) is a key technology for future low-power wireless systems. However, the inherently low end-to-end power transfer efficiency (PTE) is challenging for practical applications. The main factors…

Signal Processing · Electrical Eng. & Systems 2024-05-10 Abdul Basit Khattak , Onel L. A. López , Amirhossein Azarbahram , Deepak Kumar , Matti Latva-aho