LF Indoor Location and Identification System

Ropponen, Antti; Linnavuo, Matti; Sepponen, Raimo

doi:10.21307/ijssis-2017-340

Cited by 16 publications

(16 citation statements)

References 11 publications

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“…Monitoring a subject in bed can reduce the falling incidents or going into the toilet as a huge number of fallings occur in such conditions 6 . Several ongoing research works have been reported [7][8][9][10][11][12][13] giving a comprehensive description of the existing such systems. Some of such monitoring systems include video/ camera, passive infrared sensors (PIR), motion sensors, Doppler sensors, radars, capacitive sensors, floor sensors, and so on as listed in Table 1.…”

Section: Introductionmentioning

confidence: 99%

Bedroom Monitoring System for Isolated Elderly People and Patients

Arshad

Ismail

Khan

et al. 2017

AJPRHC

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With the rapid growth of a number of elderly people around the world, an increasing need has arisen in providing physical security to them. Researchers have been working in developing such monitoring systems for the past decades. However, the needs of elderly people and their families are yet to be fulfilled, especially since the developed existing systems need their users to change their lifestyles. This work aims at suggesting a system for monitoring the occupancy of an elderly person on the bed. Capacitive proximity sensing system has been proven to be a probable solution for indoor localization, which senses the presence of a human body. Nevertheless, the requirements for installation are many, which make the integration costly. In this paper, a flexible and integrated solution is proposed that makes use of inexpensive, open source hardware, allowing indoor localization and fall detection. The bed monitoring system is made up of aluminum sheets sensor electrodes installed under the bed sheets to detect the sleeping patterns of the subject. An alarm system has been integrated into the room to enable the elderly to call for help during an emergency. Presence detector and light controlling device are installed on the floor surface to detect the mobility of the elderly and turn ON/OFF the room lights automatically. The proposed system allows elderly people to live independent living at homes with all amenities.

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Section: Introductionmentioning

confidence: 99%

Bedroom Monitoring System for Isolated Elderly People and Patients

Arshad

Ismail

Khan

et al. 2017

AJPRHC

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“…NFI sensor plates are surrounded with antenna loops that can be used to track RFID tags. With the RFID system, people can be both located and identified [10]. However, the RFID tracking is not as accurate as the NFI localization [39].…”

Section: Introductionmentioning

confidence: 99%

A novel concept of a wearable information appliance using context-based human–computer interaction

Ropponen

Linnavuo

Sepponen

2011

Pers Ubiquit Comput

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In healthcare environment, different kinds of automatic solutions have been created to monitor and track patients, for example near-field imaging and low-frequency RFID. The problem has been how to use the context-based data these systems produce and how to show the related information to the nursing staff. This paper shows how hospital data can be automatically transmitted to people using location information. The information is transmitted to a name tag that has wireless connectivity and touch screen with electric paper. This concept is piloted with a test application.

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“…In this study we present a method which combines the use of a passive system with high accuracy [9,10] and an active system providing the identification [33]. The advantage of the proposed method is that the transponder is not disturbed by clothing, body shading, or being placed in a wallet or briefcase, unlike transponders using ultrasound, visible light, or IR.…”

mentioning

confidence: 99%

“…The idea and the concept have been described in detail in our earlier work [33]. The RFID system uses quad antennas, which are placed on the same elements as the NFI sensor electrodes and active RFID transponders [31].…”

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confidence: 99%

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Robust System for Indoor Localisation and Identification for the Health Care Environment

Ropponen

Rimminen

Sepponen

2010

Wireless Pers Commun

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In this study, an improved version of the low-frequency indoor location system, with a larger detection range and more durable antenna laminate, is presented. The basic system uses quad antennas, placed under the floor surface, to locate tags with 125-kHz radio signals. The improvements were achieved with a one-layer laminate construction and transmitter electronics that can feed larger currents to the antennas. The measured tag detection height was 2 m, which is adequate for location applications. The low-frequency signal was not affected by normal objects. The tag location reliability of 96.3% was verified with a practical test.

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LF Indoor Location and Identification System

Cited by 16 publications

References 11 publications

Bedroom Monitoring System for Isolated Elderly People and Patients

Bedroom Monitoring System for Isolated Elderly People and Patients

A novel concept of a wearable information appliance using context-based human–computer interaction

Robust System for Indoor Localisation and Identification for the Health Care Environment

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