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This work considers millimeter-wave channel estimation in a setting where parameters of the underlying mmWave channels are varying dynamically over time and there is a single drifting path. In this setting, channel estimates at time block…

Information Theory · Computer Science 2020-05-06 Dror Baron , Cynthia Rush , Yavuz Yapici

Owing to recent advances in thoracic electrical impedance tomography, a patient's hemodynamic function can be noninvasively and continuously estimated in real-time by surveilling a cardiac volume signal associated with stroke volume and…

Signal Processing · Electrical Eng. & Systems 2023-01-05 Chang Min Hyun , Tae Jun Jang , Jeongchan Nam , Hyeuknam Kwon , Kiwan Jeon , Kyunghun Lee

This study explores a novel approach for analyzing Sit-to-Stand (STS) movements using millimeter-wave (mmWave) radar technology. The goal is to develop a non-contact sensing, privacy-preserving, and all-day operational method for healthcare…

Signal Processing · Electrical Eng. & Systems 2024-12-02 Shuting Hu , Peggy Ackun , Xiang Zhang , Siyang Cao , Jennifer Barton , Melvin G. Hector , Mindy J. Fain , Nima Toosizadeh

We present a novel internal calibration framework for Millimeter- Wave (mmWave) Frequency-Modulated Continuous-Wave (FMCW) radars to ensure robust performance under internal temperature variations, tailored for deployment in dense wireless…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Dariush Salami , Nima Bahmani , Hüseyin Yiğitler , Stephan Sigg

Harmonic analysis has provided powerful tools to accurately determine the tune from turn-by-turn data originating from numerical simulations or beam measurements in circular accelerators and storage rings. Methods that have been developed…

Accelerator Physics · Physics 2024-09-10 G. Russo , G. Franchetti , M. Giovannozzi , E. H. Maclean

This study proposes a data fusion method for multiradar systems to enable measurement of the respiration of multiple people located at arbitrary positions. Using the proposed method, the individual respiration rates of multiple people can…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Shunsuke Iwata , Takato Koda , Takuya Sakamoto

The large number and scale of natural and man-made disasters have led to an urgent demand for technologies that enhance the safety and efficiency of search and rescue teams. Semi-autonomous rescue robots are beneficial, especially when…

Signal Processing · Electrical Eng. & Systems 2024-01-15 Christian A. Schroth , Christian Eckrich , Ibrahim Kakouche , Stefan Fabian , Oskar von Stryk , Abdelhak M. Zoubir , Michael Muma

Millimeter-wave (mmw) radar is indispensable for Intelligent Transportation Systems (ITS), which can monitor traffic conditions in all weathers. An end-to-end simulation method for mmw radar monitoring and identification at traffic…

Signal Processing · Electrical Eng. & Systems 2022-08-30 Ming Zong , Zhanyu Zhu

Millimeter wave (mmWave) systems will likely employ directional beamforming with large antenna arrays at both the transmitters and receivers. Acquiring channel knowledge to design these beamformers, however, is challenging due to the large…

Information Theory · Computer Science 2016-11-15 Ahmed Alkhateeb , Geert Leus , Robert W. Heath

This study presents a non-invasive method using thermal imaging to estimate heart and respiration rates in calves, avoiding the stress from wearables. Using Kernelised Correlation Filters (KCF) for movement tracking and advanced signal…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Ehsan Sadeghi , Zinan Guo , Alessandro Chiumento , Paul Havinga

The aim of this paper is to propose an application of mutual information-based ensemble methods to the analysis and classification of heart beats associated with different types of Arrhythmia. Models of multilayer perceptrons, support…

Computational Engineering, Finance, and Science · Computer Science 2015-02-09 Othman Soufan , Samer Arafat

This paper investigates the robust wideband channel estimation problem in the millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems. In such a scenario, the beam squint effect that the array response vectors vary…

Signal Processing · Electrical Eng. & Systems 2024-09-25 Li Ge , Lin Chen , Xue Jiang , Weifeng Zhu , Qibo Qin , Xingzhao Liu

Reliable humanoid-robot interaction (HRI) in household environments is constrained by two fundamental requirements, namely robustness to unconstrained user positions and preservation of user privacy. Millimeter-wave (mmWave) sensing…

Robotics · Computer Science 2026-01-13 Yuxuan Hu , Kuangji Zuo , Boyu Ma , Shihao Li , Zhaoyang Xia , Feng Xu , Jianfei Yang

Monitoring physiological and behavioral parameters of laboratory rodents is fundamental for biomedical research, yet conventional techniques often rely on invasive sensors or frequent handling that can induce stress and compromise data…

Signal Processing · Electrical Eng. & Systems 2025-12-08 Tommaso Polonelli , Manuel Glahn , Stefano Kron , Stefan Selbert , Marco Garzola , Michele Magno

We consider the problem of channel estimation for millimeter wave (mmWave) systems, where, to minimize the hardware complexity and power consumption, an analog transmit beamforming and receive combining structure with only one radio…

Information Theory · Computer Science 2017-05-09 Xingjian Li , Jun Fang , Hongbin Li , Pu Wang

In this article, we investigate channel estimation for wideband millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) under hybrid architecture with lowprecision analog-to-digital converters (ADCs). To design channel…

Signal Processing · Electrical Eng. & Systems 2018-09-13 Yucheng Wang , Wei Xu , Hua Zhang , Xiaohu You

Today's fitness bands and smartwatches typically track heart rates (HR) using optical sensors. Large behavioral studies such as the UK Biobank use activity trackers without such optical sensors and thus lack HR data, which could reveal…

Quantitative Methods · Quantitative Biology 2024-11-04 Max Moebus , Lars Hauptmann , Nicolas Kopp , Berken Demirel , Björn Braun , Christian Holz

This study explored an indoor system for tracking multiple humans and detecting falls, employing three Millimeter-Wave radars from Texas Instruments. Compared to wearables and camera methods, Millimeter-Wave radar is not plagued by mobility…

Signal Processing · Electrical Eng. & Systems 2024-06-10 Zichao Shen , Jose Nunez-Yanez , Naim Dahnoun

A novel approach for analysing cardiac rhythm data is presented in this paper. Heartbeats are decomposed into the five fundamental $P$, $Q$, $R$, $S$ and $T$ waves plus an error term to account for artefacts in the data which provides a…

Methodology · Statistics 2022-05-04 Cristina Rueda , Yolanda Larriba , Adrián Lamela

In this paper, we present a high resolution microwave imaging technique using a compact and low cost single channel Frequency Modulated Continuous Wave (FMCW) radar based on Circular Synthetic Aperture Radar (CSAR) technique. We develop an…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Shahrokh Hamidi , Safieddin Safavi-Naeini