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Indoor Activity and Vital Sign Monitoring for Moving People with Multiple Radar Data Fusion
2021
Remote Sensing
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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]
2021
arXiv
pre-print
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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
2010
2010 First International Conference on Sensor Device Technologies and Applications
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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
2019
IEEE potentials
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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
2013
IEEE/ASME transactions on mechatronics
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[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]
2022
arXiv
pre-print
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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]
2022
arXiv
pre-print
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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
2016
2016 IEEE Radar Conference (RadarConf)
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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
2013
IEEE transactions on microwave theory and techniques
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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
2014
2014 IEEE International Conference on Ultra-WideBand (ICUWB)
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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
2014
2014 20th International Conference on Microwaves, Radar and Wireless Communications (MIKON)
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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
2021
Sensors
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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
2019
IEEE Access
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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
2013
IEEE transactions on microwave theory and techniques
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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
2019
Biosensors
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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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