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969 Results Found

  • Article
  • Open Access
106 Citations
11,532 Views
20 Pages

Process Mining Methodology for Health Process Tracking Using Real-Time Indoor Location Systems

  • Carlos Fernandez-Llatas,
  • Aroa Lizondo,
  • Eduardo Monton,
  • Jose-Miguel Benedi and
  • Vicente Traver

30 November 2015

The definition of efficient and accurate health processes in hospitals is crucial for ensuring an adequate quality of service. Knowing and improving the behavior of the surgical processes in a hospital can improve the number of patients that can be o...

  • Article
  • Open Access
19 Citations
3,028 Views
22 Pages

UJAmI Location: A Fuzzy Indoor Location System for the Elderly

  • Antonio-Pedro Albín-Rodríguez,
  • Yolanda-María De-La-Fuente-Robles,
  • José-Luis López-Ruiz,
  • Ángeles Verdejo-Espinosa and
  • Macarena Espinilla Estévez

Due to the large number of elderly people with physical and cognitive issues, there is a strong need to provide indoor location systems that help caregivers monitor as many people as possible and with the best quality possible. In this paper, a fuzzy...

  • Communication
  • Open Access
10 Citations
5,693 Views
16 Pages

Design and Analysis of a Quasi-Yagi Antenna for an Indoor Location Tracking System

  • Sun-Woong Kim,
  • Sun-Kuk Noh,
  • Ho-Gyun Yu and
  • Dong-You Choi

3 December 2018

In this paper, a quasi-Yagi antenna for an indoor location tracking system is proposed. The performance of the proposed antenna was verified by testing it using an indoor location tracking system. To improve the bandwidth and gain, two parasitic dire...

  • Article
  • Open Access
4,903 Views
13 Pages

13 July 2016

Nowadays, several wireless location systems have been developed in the research world. The goal of these systems has always been to find the greatest accuracy as possible. However, if every node takes data from the environment, we can gather a lot of...

  • Article
  • Open Access
18 Citations
12,769 Views
18 Pages

30 March 2010

In order to provide the seamless navigation and positioning services for indoor environments, an indoor location based service (LBS) test bed is developed to integrate the indoor positioning system and the indoor three-dimensional (3D) geographic inf...

  • Article
  • Open Access
42 Citations
6,645 Views
18 Pages

A Map/INS/Wi-Fi Integrated System for Indoor Location-Based Service Applications

  • Chunyang Yu,
  • Haiyu Lan,
  • Fuqiang Gu,
  • Fei Yu and
  • Naser El-Sheimy

2 June 2017

In this research, a new Map/INS/Wi-Fi integrated system for indoor location-based service (LBS) applications based on a cascaded Particle/Kalman filter framework structure is proposed. Two-dimension indoor map information, together with measurements...

  • Article
  • Open Access
328 Views
30 Pages

3 January 2026

Photogrammetric reconstruction from indoor imagery requires either labor-intensive ground control points (GCPs) or positioning sensor integration. While global navigation satellite system technology revolutionized aerial photogrammetry by enabling di...

  • Article
  • Open Access
121 Citations
13,106 Views
22 Pages

19 December 2017

The indoor location-based control system estimates the indoor position of a user to provide the service he/she requires. The major elements involved in the system are the localization server, service-provision client, user application positioning tec...

  • Article
  • Open Access
6 Citations
2,679 Views
18 Pages

A User Location Reset Method through Object Recognition in Indoor Navigation System Using Unity and a Smartphone (INSUS)

  • Evianita Dewi Fajrianti,
  • Yohanes Yohanie Fridelin Panduman,
  • Nobuo Funabiki,
  • Amma Liesvarastranta Haz,
  • Komang Candra Brata and
  • Sritrusta Sukaridhoto

22 July 2024

To enhance user experiences of reaching destinations in large, complex buildings, we have developed a indoor navigation system using Unity and a smartphone called INSUS. It can reset the user location using a quick response (QR) code to reduce the lo...

  • Article
  • Open Access
29 Citations
6,016 Views
20 Pages

27 September 2019

As smartphone built-in sensors, wireless technologies, and processor computing power become more advanced and global positioning system (GPS)-based positioning technologies are improving, location-based services (LBS) have become a part of our daily...

  • Article
  • Open Access
57 Citations
14,483 Views
18 Pages

A Hybrid Stochastic Approach for Self-Location of Wireless Sensors in Indoor Environments

  • Jaime Lloret,
  • Jesus Tomas,
  • Miguel Garcia and
  • Alejandro Canovas

15 May 2009

Indoor location systems, especially those using wireless sensor networks, are used in many application areas. While the need for these systems is widely proven, there is a clear lack of accuracy. Many of the implemented applications have high errors...

  • Article
  • Open Access
44 Citations
12,390 Views
24 Pages

19 January 2024

High-precision indoor positioning technology is regarded as one of the core components of artificial intelligence (AI) and Internet of Things (IoT) applications. Over the past decades, society has observed a burgeoning demand for indoor location-base...

  • Review
  • Open Access
39 Citations
18,261 Views
45 Pages

UWB-Based Real-Time Indoor Positioning Systems: A Comprehensive Review

  • Mohammed Faeik Ruzaij Al-Okby,
  • Steffen Junginger,
  • Thomas Roddelkopf and
  • Kerstin Thurow

26 November 2024

Currently, the process of tracking moving objects and determining their indoor location is considered to be one of the most attractive applications that have begun to see widespread use, especially after the adoption of this technology in some smartp...

  • Review
  • Open Access
94 Citations
11,383 Views
35 Pages

A Review of Technologies and Techniques for Indoor Navigation Systems for the Visually Impaired

  • Walter C. S. S. Simões,
  • Guido S. Machado,
  • André M. A. Sales,
  • Mateus M. de Lucena,
  • Nasser Jazdi and
  • Vicente F. de Lucena

15 July 2020

Technologies and techniques of location and navigation are advancing, allowing greater precision in locating people in complex and challenging conditions. These advances have attracted growing interest from the scientific community in using indoor po...

  • Article
  • Open Access
471 Views
24 Pages

FloorTag: A Hybrid Indoor Localization System Based on Floor-Deployed Visual Markers and Pedometer Integration

  • Gaetano Carmelo La Delfa,
  • Marta Plaza-Hernandez,
  • Javier Prieto,
  • Albano Carrera and
  • Salvatore Monteleone

7 December 2025

With the widespread adoption of smartphones and wearable devices, localization systems have become increasingly important in modern society. While Global Positioning System (GPS) technology is widely accepted as a standard outdoors, accurately determ...

  • Article
  • Open Access
1 Citations
2,505 Views
14 Pages

As the proportion and importance of the indoor spaces in daily life are gradually increasing, spatial information and personal location information become more important in indoor spaces. In order to apply indoor positioning technologies in any place...

  • Article
  • Open Access
9 Citations
4,082 Views
26 Pages

An Automatized Contextual Marketing System Based on a Wi-Fi Indoor Positioning System

  • José-Antonio López-Pastor,
  • Antonio-Jesús Ruiz-Ruiz,
  • Antonio-Javier García-Sánchez and
  • José-Luis Gómez-Tornero

17 May 2021

A complete contextual marketing platform including an indoor positioning system (IPS) for smartphones is proposed and evaluated to later be deployed in large infrastructures, such as malls. To this end, we design and implement a novel methodology bas...

  • Article
  • Open Access
12 Citations
6,489 Views
23 Pages

A Novel Hybrid Intelligent Indoor Location Method for Mobile Devices by Zones Using Wi-Fi Signals

  • Manuel Castañón–Puga,
  • Abby Stephanie Salazar,
  • Leocundo Aguilar,
  • Carelia Gaxiola-Pacheco and
  • Guillermo Licea

2 December 2015

The increasing use of mobile devices in indoor spaces brings challenges to location methods. This work presents a hybrid intelligent method based on data mining and Type-2 fuzzy logic to locate mobile devices in an indoor space by zones using Wi-Fi s...

  • Article
  • Open Access
19 Citations
8,792 Views
26 Pages

25 January 2017

The increased potential and effectiveness of Real-time Locating Systems (RTLSs) substantially influence their application spectrum. They are widely used, inter alia, in the industrial sector, healthcare, home care, and in logistic and security applic...

  • Review
  • Open Access
19 Citations
8,150 Views
37 Pages

3 February 2025

The field of indoor localization is fast developing and has important ramifications for a number of areas, such as smart infrastructure development, healthcare settings, industrial automation, and military operations. Advances in a range of technolog...

  • Article
  • Open Access
13 Citations
6,878 Views
20 Pages

14 June 2016

Real-time Locating Systems (RTLSs) have the ability to precisely locate the position of things and people in real time. They are needed for security and emergency applications, but also for healthcare and home care appliances. The research aims for d...

  • Article
  • Open Access
873 Views
16 Pages

3 September 2025

WIFI base stations have full indoor coverage, and the inertial navigation system (INS) is independent and autonomous, with high short-term positioning accuracy. However, errors accumulate over time, and an INS/WIFI combination has become the mainstre...

  • Article
  • Open Access
12 Citations
6,732 Views
21 Pages

The Rise of Passive RFID RTLS Solutions in Industry 5.0

  • Ygal Bendavid,
  • Samad Rostampour,
  • Yacine Berrabah,
  • Nasour Bagheri and
  • Masoumeh Safkhani

6 March 2024

In today’s competitive landscape, manufacturing companies must embrace digital transformation. This study asserts that integrating Internet of Things (IoT) technologies for the deployment of real-time location systems (RTLS) is crucial for bett...

  • Article
  • Open Access
6 Citations
7,430 Views
26 Pages

Implementing an Industry 4.0 UWB-Based Real-Time Locating System for Optimized Tracking

  • Athanasios Sidiropoulos,
  • Dimitrios Bechtsis and
  • Dimitrios Vlachos

3 March 2025

The Internet of Things (IoT) provides technical solutions for monitoring assets in facility layouts, and this is further strengthened by the development of sophisticated software tools for intralogistics operations. The present research provides a ta...

  • Article
  • Open Access
26 Citations
4,358 Views
15 Pages

Behavior Modeling for a Beacon-Based Indoor Location System

  • Aritz Bilbao-Jayo,
  • Aitor Almeida,
  • Ilaria Sergi,
  • Teodoro Montanaro,
  • Luca Fasano,
  • Mikel Emaldi and
  • Luigi Patrono

15 July 2021

In this work we performed a comparison between two different approaches to track a person in indoor environments using a locating system based on BLE technology with a smartphone and a smartwatch as monitoring devices. To do so, we provide the system...

  • Article
  • Open Access
24 Citations
5,721 Views
20 Pages

Signature Inspired Home Environments Monitoring System Using IR-UWB Technology

  • Soumya Prakash Rana,
  • Maitreyee Dey,
  • Mohammad Ghavami and
  • Sandra Dudley

18 January 2019

Home monitoring and remote care systems aim to ultimately provide independent living care scenarios through non-intrusive, privacy-protecting means. Their main aim is to provide care through appreciating normal habits, remotely recognizing changes an...

  • Article
  • Open Access
5 Citations
3,329 Views
21 Pages

IOAM: A Novel Sensor Fusion-Based Wearable for Localization and Mapping

  • Renjie Wu,
  • Boon Giin Lee,
  • Matthew Pike,
  • Linzhen Zhu,
  • Xiaoqing Chai,
  • Liang Huang and
  • Xian Wu

30 November 2022

With the development of indoor location-based services (ILBS), the dual foot-mounted inertial navigation system (DF-INS) has been extensively used in many fields involving monitoring and direction-finding. It is a widespread ILBS implementation with...

  • Review
  • Open Access
1 Citations
4,124 Views
36 Pages

8 August 2025

As the demand for context-aware services in smart environments continues to rise, Indoor Positioning Systems (IPSs) have evolved from auxiliary technologies into indispensable components of mission-critical infrastructure. This paper presents a compr...

  • Article
  • Open Access
9 Citations
3,829 Views
29 Pages

Location Based Indoor and Outdoor Lightweight Activity Recognition System

  • Aritz Bilbao-Jayo,
  • Xabier Cantero,
  • Aitor Almeida,
  • Luca Fasano,
  • Teodoro Montanaro,
  • Ilaria Sergi and
  • Luigi Patrono

In intelligent environments one of the most relevant information that can be gathered about users is their location. Their position can be easily captured without the need for a large infrastructure through devices such as smartphones or smartwatches...

  • Article
  • Open Access
31 Citations
7,560 Views
18 Pages

Design of a Hybrid Indoor Location System Based on Multi-Sensor Fusion for Robot Navigation

  • Yongliang Shi,
  • Weimin Zhang,
  • Zhuo Yao,
  • Mingzhu Li,
  • Zhenshuo Liang,
  • Zhongzhong Cao,
  • Hua Zhang and
  • Qiang Huang

22 October 2018

In the case of a single scene feature, the positioning of an indoor service robot takes a long time, and localization errors are likely to occur. A new method for a hybrid indoor localization system according to multi-sensor fusion is proposed to sol...

  • Article
  • Open Access
2 Citations
2,870 Views
35 Pages

Sensory Navigation System for Indoor Localization and Orientation of Users with Cognitive Disabilities in Daily Tasks and Emergency Situations

  • María Teresa García-Catalá,
  • Estefanía Martín-Barroso,
  • María Cristina Rodríguez-Sánchez,
  • Marcos Delgado-Álvaro and
  • Robert Novak

7 November 2024

This article presents SmartRoutes, (version 1) a sensory navigation system designed for the localization and guidance of individuals with cognitive disabilities in both indoor and outdoor environments. The platform facilitates route generation in bot...

  • Article
  • Open Access
2,117 Views
25 Pages

27 February 2024

To solve the problem of reverse car searching in intelligent multi-story garages or parking lots, the reverse car searching method based on the intelligent garage of the PC client and mobile client APP was studied, and the interface design and functi...

  • Article
  • Open Access
1 Citations
910 Views
28 Pages

Indoor Localization and ADL Monitoring via RSSI-Driven ML with Feedback Process

  • Konstantinos Antonopoulos,
  • Theodoros Skandamis,
  • Georgios Alogdianakis,
  • Evanthia Faliagka,
  • Christos P. Antonopoulos and
  • Nikolaos Voros

23 September 2025

Driven by the latest advancements in wireless technology, location-based services have attracted the interest of computing and telecommunication industries, as well as academia, to launch fast and accurate localization systems. The aim of this work i...

  • Article
  • Open Access
24 Citations
5,336 Views
28 Pages

21 December 2019

This paper presents LocSpeck, a collaborative and distributed indoor positioning system for dynamic nodes connected using an ad-hoc network, based on inter-node relative range measurements and Wi-Fi fingerprinting. The proposed system operates using...

  • Article
  • Open Access
5 Citations
4,834 Views
17 Pages

6 November 2019

Retailers need accurate movement pattern analysis of human-tracking data to maximize the space performance of their stores and to improve the sustainability of their business. However, researchers struggle to precisely measure customers’ moveme...

  • Article
  • Open Access
28 Citations
5,408 Views
14 Pages

Indoor Positioning Systems Can Revolutionise Digital Lean

  • Tuan-Anh Tran,
  • Tamás Ruppert and
  • János Abonyi

7 June 2021

The powerful combination of lean principles and digital technologies accelerates waste identification and mitigation faster than traditional lean methods. The new digital lean (also referred to as Lean 4.0) solutions incorporate sensors and digital e...

  • Article
  • Open Access
5 Citations
6,796 Views
24 Pages

26 May 2015

Indoor location-based services (iLBS) are extremely dynamic and changeable, and include numerous resources and mobile devices. In particular, the network infrastructure requires support for high scalability in the indoor environment, and various reso...

  • Review
  • Open Access
128 Citations
16,152 Views
40 Pages

A Review on Architectures and Communications Technologies for Wearable Health-Monitoring Systems

  • Víctor Custodio,
  • Francisco J. Herrera,
  • Gregorio López and
  • José Ignacio Moreno

16 October 2012

Nowadays society is demanding more and more smart healthcare services that allow monitoring patient status in a non-invasive way, anywhere and anytime. Thus, healthcare applications are currently facing important challenges guided by the u-health (ub...

  • Article
  • Open Access
6 Citations
2,891 Views
20 Pages

24 December 2021

The article presents tests on the possibility of using ultrasonic transducers for accurate distance measurement in hard coal mines. In order to check the impact of selected disturbing factors on the measurement results, test stands were built, and th...

  • Article
  • Open Access
67 Citations
8,293 Views
22 Pages

Monitoring and Detection Platform to Prevent Anomalous Situations in Home Care

  • Gabriel Villarrubia,
  • Javier Bajo,
  • Juan F. De Paz and
  • Juan M. Corchado

5 June 2014

Monitoring and tracking people at home usually requires high cost hardware installations, which implies they are not affordable in many situations. This study/paper proposes a monitoring and tracking system for people with medical problems. A virtual...

  • Article
  • Open Access
4 Citations
3,343 Views
19 Pages

15 April 2024

In this paper, we propose a proximity-based adaptive positioning algorithm to address the challenge of positioning errors in indoor localization based on RSSI (received signal strength indicator). When positioning by trilateration, if a receiver is c...

  • Article
  • Open Access
2,401 Views
27 Pages

A Layered Software Architecture for the Development of Smart Mobile Distributed Systems Oriented to the Management of Emergency Cases

  • Lizbeth Yesenia Contreras Rivas,
  • Eduardo López Domínguez,
  • Yesenia Hernández Velázquez,
  • Saúl Domínguez Isidro,
  • María Auxilio Medina Nieto and
  • Jorge De La Calleja

27 March 2025

Smart mobile distributed systems (SMDSs) oriented to managing emergency cases (ECs) have become a helpful support tool in case of earthquakes at government and higher education institutions (GHEIs). This fact has motivated various works to propose SM...

  • Article
  • Open Access
13 Citations
6,878 Views
17 Pages

Cellular Automata-Based Application for Driver Assistance in Indoor Parking Areas

  • Cándido Caballero-Gil,
  • Pino Caballero-Gil and
  • Jezabel Molina-Gil

15 November 2016

This work proposes an adaptive recommendation mechanism for smart parking that takes advantage of the popularity of smartphones and the rise of the Internet of Things. The proposal includes a centralized system to forecast available indoor parking sp...

  • Article
  • Open Access
85 Citations
17,218 Views
17 Pages

RFID Technology for Management and Tracking: e-Health Applications

  • Yuri Álvarez López,
  • Jacqueline Franssen,
  • Guillermo Álvarez Narciandi,
  • Janet Pagnozzi,
  • Ignacio González-Pinto Arrillaga and
  • Fernando Las-Heras Andrés

13 August 2018

Radio frequency identification (RFID) has become a key technology in the logistics and management industry, thanks to distinctive features such as the low cost of RFID tags, and the easiness of the RFID tags’ deployment and integration within t...

  • Article
  • Open Access
24 Citations
6,213 Views
17 Pages

Individual Behavior Modeling with Sensors Using Process Mining

  • Onur Dogan,
  • Antonio Martinez-Millana,
  • Eric Rojas,
  • Marcos Sepúlveda,
  • Jorge Munoz-Gama,
  • Vicente Traver and
  • Carlos Fernandez-Llatas

Understanding human behavior can assist in the adoption of satisfactory health interventions and improved care. One of the main problems relies on the definition of human behaviors, as human activities depend on multiple variables and are of dynamic...

  • Article
  • Open Access
18 Citations
3,176 Views
22 Pages

Research on Ultrasonic Transducers to Accurately Determine Distances in a Coal Mine Conditions

  • Sławomir Bartoszek,
  • Krzysztof Stankiewicz,
  • Gabriel Kost,
  • Grzegorz Ćwikła and
  • Artur Dyczko

28 April 2021

Determining the location of objects, for example roadheader in a hard coal mine, is a task that should be automated in the conditions of state-of-the-art mining. Current solutions do not meet the user’s expectations due to the lack of the possibility...

  • Systematic Review
  • Open Access
136 Citations
15,783 Views
39 Pages

Collaborative Indoor Positioning Systems: A Systematic Review

  • Pavel Pascacio,
  • Sven Casteleyn,
  • Joaquín Torres-Sospedra,
  • Elena Simona Lohan and
  • Jari Nurmi

2 February 2021

Research and development in Collaborative Indoor Positioning Systems (CIPSs) is growing steadily due to their potential to improve on the performance of their non-collaborative counterparts. In contrast to the outdoors scenario, where Global Navigati...

  • Letter
  • Open Access
2 Citations
2,663 Views
9 Pages

13 January 2021

A wide variety of business areas organize their work based on the location of their employees because only by taking these locations into account, they can schedule activities properly. However, in a large number of cases, the requirement of immediac...

  • Article
  • Open Access
60 Citations
7,989 Views
17 Pages

11 July 2018

The demand for location-based services (LBS) in large indoor spaces, such as airports, shopping malls, museums and libraries, has been increasing in recent years. However, there is still no fully applicable solution for indoor positioning and navigat...

  • Article
  • Open Access
23 Citations
4,308 Views
32 Pages

16 August 2023

Indoor positioning has become an attractive research topic because of the drawbacks of the global navigation satellite system (GNSS), which cannot detect accurate locations within indoor areas. Radio-based positioning technologies are one major categ...

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