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Providing Location Everywhere [chapter]

Ricardo Anacleto, Lino Figueiredo, Paulo Novais, Ana Almeida
2011 Lecture Notes in Computer Science  
Obtaining this location in an open environment is relatively simple through GPS (Global Positioning System), but indoors or even in dense environments this type of location system doesn't provide a good  ...  Since Inertial Navigation Systems (INS) try to suppress the need of a structured environment we propose an INS based on Micro Electrical Mechanical Systems (MEMS) that is capable of, in real time, compute  ...  The authors would like to acknowledge FCT, FEDER, POCTI, POSI, POCI and POSC for their support to GECAD unit, and the project PSIS (PTDC/TRA/72152/2006).  ... 
doi:10.1007/978-3-642-24769-9_2 fatcat:4yjyjjup35dpxhksu4jgdxv7qi

Handheld Device-Based Indoor Localization with Zero Infrastructure (HDIZI)

Abdullah M. AlSahly, Mohammad Mehedi Hassan, Kashif Saleem, Amerah Alabrah, Joel J. P. C. Rodrigues
2022 Sensors  
The proposed framework makes indoor and outdoor navigation more user-friendly, and is cost-effective for researchers working with embedded sensors in handheld devices, enabling technologies for Industry  ...  Reviews and comparisons detail the strengths and limitations of each component, following which we propose a handheld-device-based indoor localization with zero infrastructure (HDIZI) approach to connect  ...  with less computation and processing power.  ... 
doi:10.3390/s22176513 pmid:36080971 pmcid:PMC9460854 fatcat:rghqwosxmvbshawvnwhsosleai

Smartphone Sensor Based Indoor Positioning: Current Status, Opportunities, and Future Challenges

Imran Ashraf, Soojung Hur, Yongwan Park
2020 Electronics  
This study presents a comprehensive review of the approaches that make use of data from one or more sensors to estimate the user's indoor location.  ...  By analyzing the approaches leveraged on smartphone sensors, it discusses the associated challenges of such approaches and points out the areas that need considerable research to overcome their limitations  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics9060891 fatcat:kgjz4itz2narzcgvpzaxaddjc4

A Review of Wearable Technologies for Elderly Care that Can Accurately Track Indoor Position, Recognize Physical Activities and Monitor Vital Signs in Real Time

Zhihua Wang, Zhaochu Yang, Tao Dong
2017 Sensors  
Recently, advances in wearable and sensor technologies have improved the prospects of these service systems for assisting elderly people.  ...  These technologies are categorized into three types: indoor positioning, activity recognition and real time vital sign monitoring.  ...  This work was supported in part by CTBU, HSN, and NUDT. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s17020341 pmid:28208620 pmcid:PMC5336038 fatcat:h4cxt3ag4rabpk7qe4e3mvp7ku

A Survey of Magnetic-Field-Based Indoor Localization

Guanglie Ouyang, Karim Abed-Meraim
2022 Electronics  
This survey provides a comprehensive review of magnetic-field-based indoor localization methods. We first introduce characteristics of the magnetic field, its advantages, and its challenges.  ...  We also summarize state-of-the-art magnetic field localization methods (e.g., magnetic landmarks, dynamic time warping, magnetic fingerprinting, filters, simultaneous localization and mapping, and neural  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics11060864 fatcat:fsamfelqhrejxc6w33swfbi3bm

mPILOT-Magnetic Field Strength Based Pedestrian Indoor Localization

Imran Ashraf, Soojung Hur, Yongwan Park
2018 Sensors  
Further assisted by the accelerometer and gyroscope, the proposed system is able to locate the user without any prior knowledge of user initial position.  ...  An indoor localization system based on off-the-shelf smartphone sensors is presented which employs the magnetometer to find user location.  ...  Author Contributions: The conceptualization of the idea was done by Y.P., while data curation was performed by S.H., I.A. designed the algorithms for pattern formation and geomagnetic positioning, performed  ... 
doi:10.3390/s18072283 pmid:30011927 pmcid:PMC6068652 fatcat:2uqza3bdjfczrnstdn3t53o2yi

Indoor positioning and wayfinding systems: a survey

Jayakanth Kunhoth, AbdelGhani Karkar, Somaya Al-Maadeed, Abdulla Al-Ali
2020 Human-Centric Computing and Information Sciences  
Radio frequency (RF) signals, computer vision, and sensor-based solutions are more suitable for tracking the users in indoor environments.  ...  Current technological advancements enable users to encapsulate these systems in handheld devices, which effectively increases the popularity of navigation systems and the number of users.  ...  The proposed work utilized a foot-mounted magnetic/inertial sensors to estimate the location of the user. The foot mounted sensor 'Xsens' contains 3 axis accelerometer, gyroscope, and magnetometer.  ... 
doi:10.1186/s13673-020-00222-0 fatcat:m7lt5zdcjbbsvlh7fwatjvpx6y

LifeMap: A Smartphone-Based Context Provider for Location-Based Services

John Chon, Hojung Cha
2011 IEEE pervasive computing  
AcknOwLEDGMEnTS This work was supported by the national research Foundation of Korea grant funded by the Korean government, Ministry of Education, Science and Technology (number 2010-0000405).  ...  To the best of our knowledge, our system is the first attempt to track indoor location with unconstrained phone placement by employing a smartphone's inertial sensors. Figure 1 . 1 LifeMap platform.  ...  Hence, using a smartphone for location-based services in indoor environments requires specifically considering a nonrestricted position, low processing power, and usage of a limited set of inertial sensors  ... 
doi:10.1109/mprv.2011.13 fatcat:zqbhe7kjc5bchc72cat5oum2vm

A Survey of Crowd Sensing Opportunistic Signals for Indoor Localization

Ling Pei, Min Zhang, Danping Zou, Ruizhi Chen, Yuwei Chen
2016 Mobile Information Systems  
In this survey, we discuss the crowd sensing based mobile indoor localization in terms of foundational knowledge, signals of fingerprints, trajectory of obtaining fingerprints, indoor maps, evolution of  ...  Sensor-rich smartphone enables a novel approach to training the fingerprint database for mobile indoor localization via crowd sensing.  ...  Acknowledgments This work is supported by the National Natural Science Foundation of China under Grants 61573242 and 61402283 and in part by the Shanghai Science and Technology Committee under Grants 14511100300  ... 
doi:10.1155/2016/4041291 fatcat:ohis35pgbfgg7bganimxyqz46u

Multi sensor system for pedestrian tracking and activity recognition in indoor environments

Juan Jose Marron, Miguel A. Labrador, Adrian Menendez Valle, Daniel Fernandez Lanvin, Martin Gonzalez Rodriguez
2016 International Journal of Ad Hoc and Ubiquitous Computing  
Some of them limit the usage of sensors, use additional infrastructures to handle this inherent problem, or require previous knowledge of the indoor map. Robertson et al.  ...  The paradigm of computing has evolved in recent years reducing the prices of these devices, increasing the number of features, processing power and mobility capabilities.  ... 
doi:10.1504/ijahuc.2016.078480 fatcat:k3yecsn45zayzjsa7vdpg3ozoe

Design of a Wireless Assisted Pedestrian Dead Reckoning System—The NavMote Experience

L. Fang, P.J. Antsaklis, L.A. Montestruque, M.B. McMickell, M. Lemmon, Y. Sun, H. Fang, I. Koutroulis, M. Haenggi, M. Xie, X. Xie
2005 IEEE Transactions on Instrumentation and Measurement  
The core of the system is a lightweight sensor-and-wireless-embedded device called NavMote that is carried by a pedestrian.  ...  The NavMote gathers information about pedestrian motion from an integrated magnetic compass and accelerometers.  ...  Among the most common such devices today are Berkeley Motes (manufactured by Crossbow), which integrate computation, communication, and sensing into a single small device [33] .  ... 
doi:10.1109/tim.2005.858557 fatcat:sqq3svim3nhtziqwfwx5vm24ru

Multi sensor system for pedestrian tracking and activity recognition in indoor environments

Martin Gonzalez Rodriguez, Daniel Fernandez Lanvin, Adrian Menendez Valle, Juan Jose Marron, Miguel A. Labrador
2016 International Journal of Ad Hoc and Ubiquitous Computing  
Without you and your encouragement this thesis would have never been completed and, do not forget, all my achievements are also yours. ACKNOWLEDGMENTS  ...  DEDICATION This thesis is dedicated to my family for their love, constant motivation, and moral support.  ...  Some of them limit the usage of sensors, use additional infrastructures to handle this inherent problem, or require previous knowledge of the indoor map. Robertson et al.  ... 
doi:10.1504/ijahuc.2016.10000202 fatcat:qr5jtgkffrgs7nxynpuyzywv34

A review of smartphones based indoor positioning: challenges and applications [article]

Khuong An Nguyen, Zhiyuan Luo, Guang Li, Chris Watkins
2020 arXiv   pre-print
The continual proliferation of mobile devices has encouraged much effort in using the smartphones for indoor positioning.  ...  A taxonomy of smartphones sensors will be introduced, which serves as the basis to categorise different positioning systems for reviewing.  ...  The magnetic field and light data were then used to estimate the user location.A fingerprinting database of the magnetic field and image of each location was generated off-line.  ... 
arXiv:2006.02251v1 fatcat:gjfkdgj2nzb5jk7y7n2xabkpca

Opportunistic radio SLAM for indoor navigation using smartphone sensors

R. M. Faragher, C. Sarno, M. Newman
2012 Proceedings of the 2012 IEEE/ION Position, Location and Navigation Symposium  
This paper provides the experimental results of a system utilising only the sensors available on a smartphone to provide an indoor positioning system that does not require any prior knowledge of floor  ...  The paper concentrates on the DPSLAM positioning technique suitable for use by an individual with no prior knowledge of the area of operation before deployment.  ...  ACKNOWLEDGMENT The authors wish to acknowledge and thank the UK Centre for Defence Enterprise for funding this work.  ... 
doi:10.1109/plans.2012.6236873 fatcat:cx6ckivfgbgl5gvilp24qtrssu

A pocket guide to indoor mapping

P. Bissig, R. Wattenhofer, S. Welten
2013 2013 10th Workshop on Positioning, Navigation and Communication (WPNC)  
In this paper, we present a way to obtain accurate WLAN signal strength maps in indoor environments, without dedicated hardware, and without a time consuming and complicated training process.  ...  Our second contribution lies in the efficient integration of this complementary information into a system that allows for easy mapping and requires nothing but a smartphone.  ...  In indoor environments, the earth magnetic field is heavily disturbed by power cables, concrete reinforcements and such.  ... 
doi:10.1109/wpnc.2013.6533272 dblp:conf/wpnc/BissigWW13 fatcat:ypjlq5bkpndnxktpbk4at7hhii
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