9,562 Hits in 3.6 sec

New Approaches for Localization and Activity Sensing in Smart Environments [chapter]

Florian Kirchbuchner, Biying Fu, Andreas Braun, Julian von Wilmsdorff
2017 Ambient Assisted Living  
In this paper, we present two such systems for localizing inhabitants in a Smart Environment using-electrical potential sensing and ultrasonic Doppler sensing.  ...  We present methods that infer location and track the user, based on the acquired sensor data.  ...  Novel Use Cases for Electric Potential Sensing Novel Use Cases for Electric Potential Sensing Our first EPS-based approach, for indoor localization, is a grid-based system.  ... 
doi:10.1007/978-3-319-52322-4_5 fatcat:nlymhfmrdzhefbbwmhneuqin4m

Finding Common Ground

Tobias Grosse-Puppendahl, Christian Holz, Gabe Cohn, Raphael Wimmer, Oskar Bechtold, Steve Hodges, Matthew S. Reynolds, Joshua R. Smith
2017 Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems - CHI '17  
Capacitive sensing has become ubiquitous on mobile, wearable, and stationary devices-enabling fundamentally new interaction techniques on, above, and around them.  ...  This paper strives to unify the field by advocating consistent terminology and proposing a new taxonomy to classify capacitive sensing approaches.  ...  While active sensing systems must actively generate an electric field, passive sensing systems rely on existing-external or ambient-electric fields which are passively sensed.  ... 
doi:10.1145/3025453.3025808 dblp:conf/chi/Grosse-Puppendahl17 fatcat:efpl4amynbaerikv4w3skffee4

Design and Implementation of Directional Sensors for Privacy-Ensured Device-Free Target Localization in Indoor Environment

Ata ur Rehman, Zeeshan Ellahi, Asif Iqbal, Farman Ullah, Ahmed Ali, Kyung Sup Kwak
2019 Wireless Communications and Mobile Computing  
As compared with device-based localization, the proposed sensors can localize both cooperative and non-cooperative targets (intruders and guests etc.) without privacy leakages.  ...  This paper presents two radio frequency (RF) sensors with different directivities designed and tested for device-free localization (DFL) in an indoor environment.  ...  Synchronization and multipath are other challenges in an indoor environment. Electric field positioning is based on the principle that the human body conducts low-frequency signals [38] .  ... 
doi:10.1155/2019/8391307 fatcat:6xiljfmuhnbprekb45vaueqvne

CapFloor – A Flexible Capacitive Indoor Localization System [chapter]

Andreas Braun, Henning Heggen, Reiner Wichert
2012 Communications in Computer and Information Science  
We propose a flexible, integrated solution based on affordable, opensource hardware that allows indoor localization and fall detection specifically designed for challenges in the context of AAL.  ...  Capacitive sensing systems that allow detecting the presence of a body over distance are a possible solution for indoor localization that has been used in the past.  ...  We are proposing a system on floor level based on capacitive sensors that allow localization using lowintensity electric fields that detect the presence of a human body.  ... 
doi:10.1007/978-3-642-33533-4_3 fatcat:an3bptvwfjbw7mlqycdeexr3wq

A zero power harmonic transponder sensor for ubiquitous wireless μL liquid-volume monitoring

Haiyu Huang, Pai-Yen Chen, Cheng-Hsien Hung, Ranjit Gharpurey, Deji Akinwande
2016 Scientific Reports  
Here we introduce a novel approach based on passive harmonic transponder antenna sensor and frequency hopping spread spectrum (FHSS) pattern analysis, to provide a very low cost wireless μL-resolution  ...  However, conventional monitoring, either for large containers or small syringes, is based on human visual observation.  ...  Results Passive harmonic transponder based sensing with FHSS pattern analysis.  ... 
doi:10.1038/srep18795 pmid:26732251 pmcid:PMC4702130 fatcat:5zif5wrsmvfp3cfr2h4kfjfiqa

Special issue on "Recent advances in ambient intelligence towards a smart and human-centered internet of things"

Antonio Maña, Hristo Koshutanski
2019 Journal of Ambient Intelligence and Humanized Computing  
The third paper, "An Experimental Overview on Electric Field Sensing" by Wilmsdorff et al. (2018) , explores the potential of electric field sensing technology beyond Fu's work ) on indoor localisation  ...  The second paper, "Performing indoor localization with electric potential sensing" by Biying Fu et al. (2018) , presents a system that passively and precisely localizes people when walking indoor spaces  ... 
doi:10.1007/s12652-019-01200-w fatcat:nnnjkhpqpveojjudvur5pcwhmu

2018 Index IEEE Sensors Letters Vol. 2

2018 IEEE Sensors Letters  
Article numbers are based on specified topic areas and corresponding codes associated with the publication.  ...  ., +, LSENS March 2018 1500404 Vector Magnetic Field Sensing Using Single Phase Magneto-Electric Thin Films.  ...  Li, Y., +, LSENS June 2018 6000604 Vector Magnetic Field Sensing Using Single Phase Magneto-Electric Thin Films.  ... 
doi:10.1109/lsens.2019.2891872 fatcat:pxwes6jpjrhurjjdutlff7w3ei

Table of contents

2019 IEEE Transactions on Instrumentation and Measurement  
Biswas 4526 Networking, Networks and Sensor Networks Indoor Occupancy Awareness and Localization Using Passive Electric Field Sensing ........................ X. Tang and S.  ...  Charpillet 4590 Truly Distributed Coaxial Cable Sensing Based on Random Inhomogeneities .......... C. Zhu, Y. Zhuang, Y. Chen, and J. Huang 4600  ... 
doi:10.1109/tim.2019.2943731 fatcat:phdy4isrrvel3agvbzdbc3ryhi

A Review on Device-Free Passive Indoor Positioning Methods

Tero Kivimäki, Timo Vuorela, Pekka Peltola, Jukka Vanhala
2014 International Journal of Smart Home  
infrastructure-mediated sensing and electric-field-based methods.  ...  ultrasound (Section 5), electric field (Section 6), infrastructuremediated sensing (Section 7), and radio frequency (RF) (Section 8).  ...  In the following sub-sections, actual applications implemented based on the electric field positioning, are discussed.  ... 
doi:10.14257/ijsh.2014.8.1.09 fatcat:idh7c7lbkvcn5p5camvf6xqqgy

Sensing Technology for Human Activity Recognition: a Comprehensive Survey

Biying Fu, Naser Damer, Florian Kirchbuchner, Arjan Kuijper.
2020 IEEE Access  
We identify the limitations with respect to the hardware and software characteristics of each sensor category and draw comparisons based on benchmark features retrieved from the research works introduced  ...  Therefore, having a well defined categorization of sensing technology is essential for the systematic design of human activity recognition systems.  ...  In case of electric field sensing, no constant electric field is applied on the sensing electrode.  ... 
doi:10.1109/access.2020.2991891 fatcat:ukkpc2gdkvd2dird52ttebe6sy

Table of contents

2015 IEEE Sensors Journal  
Feng Fine-Grained Indoor Localization Using Single Access Point With Multiple Antennas .......... F. Wen and C.  ...  Holland Mechanical Noise Limit of a Strain-Coupled Magneto(Elasto)electric Sensor Operating Under a Magnetic or an Electric Field Modulation ............ X. Zhuang, M. L. C. Sing, C. Dolabdjian, Y.  ... 
doi:10.1109/jsen.2014.2377452 fatcat:q3jbqvka7jdpfeqchgczxwhprm

Table of contents

2019 IEEE Sensors Journal  
Huang Sensor Systems Integration A Machine-Learning Assisted Sensor for Chemo-Physical Dual Sensing Based on Ion-Sensitive Field-Effect Transistor Architecture .........................................  ...  Jiang TOA-Based Indoor Localization and Tracking With Inaccurate Floor Plan Map via MRMSC-PHD Filter ............. ......................................................................................  ... 
doi:10.1109/jsen.2019.2926003 fatcat:lrijexjgdzb5de4bxsfch3ziba

Multiclass Permanent Magnets Superstructure for Indoor Localization using Artificial Intelligence

Amir Ivry, Elad Fisher, Roger Alimi, Idan Mosseri, Kanna Nahir
2021 IEEE transactions on magnetics  
These are highly sensitive to magnetic clutters and depend on local ambient magnetic fields, which frequently degrades their performance.  ...  Second, we perform localization based on smartphone motion rather than on static positioning of the magnetometer. In our previous study, we considered a single superstructure pattern.  ...  These results are very promising regarding applying passive localization of a moving person in indoor environment.  ... 
doi:10.1109/tmag.2021.3085107 fatcat:cw7k456rqvdbtb5d5y4aemhjtm

Recent Advances in Wireless Localization Technologies

Shahrokh Valaee, Xinrong Li
2012 International Journal of Wireless Information Networks  
They are also capable of sensing the environment, taking still images or videos, finding their location, detecting hand movements via accelerometers, and reading RFID tags.  ...  Much research is needed to use the sensing and communication capabilities of the newest generation of wireless devices to build new applications such as real-time youtube or wikis that collect, process  ...  Despite much effort in recent years on location estimation both using active and passive methods, location estimation remains to be a challenging problem, especially in indoor environments where GPS signal  ... 
doi:10.1007/s10776-012-0199-8 fatcat:mn7fbp2gyvex3hjn3c2mbenrtq

Holographic MIMO Surfaces for 6G Wireless Networks: Opportunities, Challenges, and Trends [article]

Chongwen Huang, Sha Hu, George C. Alexandropoulos, Alessio Zappone, Chau Yuen, Rui Zhang, Marco Di Renzo, Mérouane Debbah
2020 arXiv   pre-print
They will be also capable of sensing, controlling, and optimizing the wireless environment to fulfill the visions of low-power, high-throughput, massively-connected, and low-latency communications.  ...  The recorded EM field can be then utilized for reconstructing the initial field based on the diffraction principle.  ...  As such, providing ubiquitous high throughput indoor coverage and localization is a challenging task.  ... 
arXiv:1911.12296v3 fatcat:p6kmis3jevavpfdpifncs4xzaa
« Previous Showing results 1 — 15 out of 9,562 results