Kocsisné Szilágyi, Gyöngyi, Kocsis, Attila (2015) A special localization algorithm in Wireless sensor networks for telemetry application Annales Mathematicae et Informaticae. 44. pp. 121-130. ISSN 1787-5021 (Print), 1787-6117 (Online)
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Absztrakt (kivonat)
ccurate positioning [1] in Wireless sensor networks [3] is an impor- tant and emerging technology for many research areas, such as health care, telemedicine [2], sports, commercial, public-safety and military applications. This paper presents an exact positioning approach for a telemetry system in ad hoc sensor network measuring patients’ vital and motion parameters. The telemetry system includes two kinds of wireless data-gathering devices (sensors) neither of which knowing their own positions: 1. reference point devices, which retain fix positions, and are uniformly distributed over an area of interest, 2. all the other sensors (mobile nodes) which are allowed to change their positions during the measurements. The presented algorithm is based on measurements of distances between sensor nodes with 4 Hz sampling frequency. The aim is to compute the exact positions of the nodes in some fixed coordinate system. The measurements of distances between sensor nodes are not sufficiently accurate. The developed algorithm at first estimates the exact position of the reference points from initial measuremets based on the minimization of the localization error. During the measurements the positions of the reference points do not change. The mobile nodes localize themselves continuously with the help of location references received from the reference points using trilateration.
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| Megjegyzés: | Selected papers of the 9th International Conference on Applied Informatics | ||||||||||||
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| Kulcsszavak: | Wireless Sensor Networks, Localization algorithms, Telemetry system | ||||||||||||
| Nyelv: | angol | ||||||||||||
| Kötetszám: | 44. | ||||||||||||
| ISSN: | 1787-5021 (Print), 1787-6117 (Online) | ||||||||||||
| Felhasználó: | Tibor Gál | ||||||||||||
| Dátum: | 27 Feb 2019 18:36 | ||||||||||||
| Utolsó módosítás: | 28 Feb 2019 12:20 | ||||||||||||
| URI: | http://publikacio.uni-eszterhazy.hu/id/eprint/2986 |
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