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Indoor Activity and Vital Sign Monitoring for Moving People with Multiple Radar Data Fusion

Xiuzhu Yang, Xinyue Zhang, Yi Ding, Lin Zhang
2021 Remote Sensing  
However, multiple people in a narrow indoor environment bring dense multipaths for activity monitoring, and the received vital sign signals are heavily distorted with body movements.  ...  A multi-radar dataset with an FMCW and two IR-UWB radars in a cotton tent, a small room and a wide lobby is constructed, and the accuracies of activity and vital sign monitoring achieve 99.9% and 92.3%  ...  Time Processing of the Proposed Framework for Activity and Vital Sign Monitoring Conclusions In this paper, a framework for indoor activity and vital sign monitoring with an FMCW and two IR-UWB radars  ... 
doi:10.3390/rs13183791 fatcat:kwvaik6qu5fchokj32vi2ula3e

A Survey about application based on RF signals [article]

Jiaren Xiao
2021 arXiv   pre-print
These ubiquitous perceptual information has rich application significance and bright prospects in the fields of indoor positioning, motion perception, behavior recognition, human-computer interaction,  ...  In this process, rich environmental perception information is carried.  ...  In 2014, an indoor 3D positioning system WiTrack [10] was proposed to realize the accurate positioning of indoor human body using RF signal, but this positioning system can only locate people in motion  ... 
arXiv:2203.12424v1 fatcat:k5rhurax6fhl7jtesfe5kk5hpu

Quantifying Human Indoor Activity Using a Software Radio-Based Radar

Bruhtesfa Godana, Geert Leus, Andre Barroso
2010 2010 First International Conference on Sensor Device Technologies and Applications  
This paper proposes and evaluates methods to quantify the level of human activity in an indoor environment using a continuous wave radar.  ...  Human activity quantification consists of computing a numerical or qualitative metric that indicates the amount of movement a person engaged in a given time interval.  ...  The estimation of a person's displacement in an indoor environment is based on a two-signal component model and arctangent demodulation method.  ... 
doi:10.1109/sensordevices.2010.15 fatcat:nyzoqpmvljfyza5loe55zlabhu

Radar for Health Care: Recognizing Human Activities and Monitoring Vital Signs

Francesco Fioranelli, Julien Le Kernec, Syed Aziz Shah
2019 IEEE potentials  
Acknowledgement The authors acknowledge support from the UK EPSRC (grant EP/R041679/1 INSHEP) for this work on radar for healthcare applications.  ...  Figure 3 shows the signal processing chain for an example of data where a person was walking back and forth in front of a radar system.  ...  Radar signal processing in healthcare: basic principles The two main applications of radar sensing in the healthcare context are classification of human activities and monitoring of vital signs.  ... 
doi:10.1109/mpot.2019.2906977 fatcat:t3lj2yxjwvax7a6lkxt35b5wmq

Wireless and Pyroelectric Sensory Fusion System for Indoor Human/Robot Localization and Monitoring

Ren C. Luo, Ogst Chen
2013 IEEE/ASME transactions on mechatronics  
[12] developed a radio frequency based system for indoor positioning; it employed multiple base stations for recording and processing of signals.  ...  Simulation Analysis Ultrasonic and pyroelectric sensory fusion system for indoor human robot localization and monitoring was implemented in software level using proteus and arduino software.  ... 
doi:10.1109/tmech.2012.2188300 fatcat:olnm2xf2i5f4xcgprgumvadvku

Wi-Fi Based Passive Human Motion Sensing for In-Home Healthcare Applications [article]

Bo Tan, Alison Burrows, Robert Piechocki, Ian Craddock, Karl Woodbridge, Kevin Chetty
2022 arXiv   pre-print
The real time signal processing used for human body motion sensing and software defined radio demo system are described and verified in practical experiments scenarios, which include detection of through-wall  ...  This paper introduces a Wi-Fi signal based passive wireless sensing system that has the capability to detect diverse indoor human movements, from whole body motions to limb movements and including breathing  ...  The use of 802.11 signal as an illuminator for target discovery has been reported in [4] for outdoor vehicle tracking, and [3] for indoor through-wall human discovery.  ... 
arXiv:2204.06219v1 fatcat:rh2htacbijftxhq3clswknmf5y

A Review of Indoor Millimeter Wave Device-based Localization and Device-free Sensing Technologies and Applications [article]

Anish Shastri, Neharika Valecha, Enver Bashirov, Harsh Tataria, Michael Lentmaier, Fredrik Tufvesson, Michele Rossi, Paolo Casari
2022 arXiv   pre-print
This paper surveys the state of the art in device-based localization and device-free sensing using mmWave communication and radar devices, with a focus on indoor deployments.  ...  We first overview key concepts about mmWave signal propagation and system design. Then, we provide a detailed account of approaches and algorithms for localization and sensing enabled by mmWaves.  ...  Summary In this section, we have summarized the recent advances and trends in signal processing for passive mmWave radar systems for indoor spaces.  ... 
arXiv:2112.05593v3 fatcat:eggaop3azfauljxevmm6dtst5u

Signs of life detection using wireless passive radar

Qingchao Chen, Kevin Chetty, Karl Woodbridge, Bo Tan
2016 2016 IEEE Radar Conference (RadarConf)  
Non-contact devices for monitoring signs of life have attracted a lot of attention in recent years for applications in security, emergency and disaster situations.  ...  In this paper, a real-time phase extraction method based on passive Wi-Fi radar is proposed for detecting the chest movements associated with a person breathing.  ...  [14] also reported the performance of breathing detection using a CW radar system in an indoor environment.  ... 
doi:10.1109/radar.2016.7485313 fatcat:xrzobwbfvbfnnczas2jtpyx5dq

Analysis of an Indoor Biomedical Radar-Based System for Health Monitoring

Marco Mercuri, Ping Jack Soh, Gokarna Pandey, Peter Karsmakers, Guy A. E. Vandenbosch, Paul Leroux, Dominique Schreurs
2013 IEEE transactions on microwave theory and techniques  
In this paper, a complete system for contactless health-monitoring in home environment is presented.  ...  Experimental tests, conducted with human volunteer in a realistic room setting, demonstrate an adequate detection of the target's absolute distance and a success rate of 94.3% in distinguishing fall events  ...  CONCLUSION A radar-based system has been proposed as a new approach for contactless fall detection and tag-less localization in indoor environment.  ... 
doi:10.1109/tmtt.2013.2247619 fatcat:yabvbg2fyna5zmsge6tmroq4yi

Study of human being detection in an indoor environment using ultra wideband radar

Mohammad Amir Hassan Khausru, Mohammad Ghavami
2014 2014 IEEE International Conference on Ultra-WideBand (ICUWB)  
This is a tag-free live human body detection method that looks for small changes in the reflected Ultra Wideband (UWB) signals in an indoor environment.  ...  As chest movement of the human body leaves a distinguishable effect on the reflected UWB signal hence it is an observable and detectable phenomenon that has been targeted.  ...  The detection process is based on the periodic respiratory movement of the human chest that modulates the reflected UWB signal.  ... 
doi:10.1109/icuwb.2014.6958961 fatcat:3lodsfpzuvfutnkir5mmnv6xyi

Human movement and biological functions monitoring using ultrawideband signals

Pawel R. Bajurko, Yevhen Yashchyshyn
2014 2014 20th International Conference on Microwaves, Radar and Wireless Communications (MIKON)  
The paper presents the results of investigations of human movement and biological functions monitoring using UWB and CW signals.  ...  Two types of radars operating in different frequency bands and with different bandwidths have been exploited in the measurement experiments.  ...  In this paper the results of investigations of human movement and biological functions monitoring using UWB signals are presented.  ... 
doi:10.1109/mikon.2014.6899995 fatcat:bploomvgyvdlzjkphythvp4sku

Ultra-Wideband Radar-Based Indoor Activity Monitoring for Elderly Care

Matti Hämäläinen, Lorenzo Mucchi, Stefano Caputo, Lorenzo Biotti, Lorenzo Ciani, Dania Marabissi, Gabriele Patrizi
2021 Sensors  
In this paper, we propose an unobtrusive method and architecture for monitoring a person's presence and collecting his/her health-related parameters simultaneously in a home environment.  ...  Using UWB radars, we aim to recognize a person and some preselected movements without camera-type monitoring.  ...  Conflicts of Interest: The authors declare no conflicts of interest.  ... 
doi:10.3390/s21093158 pmid:34063222 pmcid:PMC8125009 fatcat:ekdmuuutpfaybggxvpzr5xvvky

Design of Software Defined Radios Based Platform for Activity Recognition

Muhammad Bilal Khan, Xiaodong Yang, Aifeng Ren, Mohammed Ali Mohammed Al-Hababi, Nan Zhao, Lei Guan, Dou Fan, Syed Aziz Shah
2019 IEEE Access  
In this paper, a software-defined radio platform was designed for the detection of human activity.  ...  The technologies, such as Wi-Fi, GSM, and radars, do not require installing cameras or wearable sensors for activity monitoring and recognition.  ...  INTRODUCTION Human activity recognition has gained tremendous attention in recent years due to numerous applications. Its aim to monitor the movement and behavior of humans in indoor areas.  ... 
doi:10.1109/access.2019.2902267 fatcat:q4ioznefnrca5klxanxkugupum

Concurrent Vital Sign and Position Sensing of Multiple Individuals Using Self-Injection-Locked Tags and Injection-Locked I/Q Receivers With Arctangent Demodulation

Fu-Kang Wang, Chia-Hui Fang, Tzyy-Sheng Horng, Kang-Chun Peng, Jian-Yu Li, Cheng-Chung Chen
2013 IEEE transactions on microwave theory and techniques  
This work presents a wireless system that operates in the 2.4 GHz ISM band for concurrently sensing the vital signs and positions of multiple individuals.  ...  Accordingly, it is demonstrated that the experimental prototype provides accurate information about the vital signs and positions of different individuals in an indoor environment.  ...  Chiu and Mr. Y.-R. Chou who volunteered to serve in the sensing experiments.  ... 
doi:10.1109/tmtt.2013.2288224 fatcat:kc2xrzewbbepxbzyyzisyh36q4

Research on Non-Contact Monitoring System for Human Physiological Signal and Body Movement

Qiancheng Liang, Lisheng Xu, Nan Bao, Lin Qi, Jingjing Shi, Yicheng Yang, Yudong Yao
2019 Biosensors  
In this paper, a vital sign and body movement monitoring system worked at 2.4 GHz was proposed. It can measure various physiological signs of the human body in a non-contact manner.  ...  As a result, the Doppler radar system not only obtains the information of respiratory and cardiac signals, but also obtains information about body movement.  ...  Wenda [16] designed a Doppler radar system for indoor use, which could detect breath and movement of standing, sitting, walking, running and jumping.  ... 
doi:10.3390/bios9020058 fatcat:spiuejulpnaadp7wyg6gwdc4d4
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