A Novel Reference Node Selection Algorithm Based on Trilateration for Indoor Sensor Networks

Aizu-Wakamatsu City, Fukushima, Japan October 16-October 19

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http://doi.ieeecomputersociety.org/10.1109/CIT.2007.15

7th IEEE International Conference on ...

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	Guangjie Han, Deokjai Choi, Wontaek Lim, "A Novel Reference Node Selection Algorithm Based on Trilateration for Indoor Sensor Networks," Computer and Information Technology, International Conference on, pp. 1003-1008, 7th IEEE International Conference on Computer and Information Technology (CIT 2007), 2007.

	BibTex	x
	@article{ 10.1109/CIT.2007.15, author = {Guangjie Han and Deokjai Choi and Wontaek Lim}, title = {A Novel Reference Node Selection Algorithm Based on Trilateration for Indoor Sensor Networks}, journal ={Computer and Information Technology, International Conference on}, volume = {0}, year = {2007}, isbn = {0-7695-2983-6}, pages = {1003-1008}, doi = {http://doi.ieeecomputersociety.org/10.1109/CIT.2007.15}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

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	TY - CONF JO - Computer and Information Technology, International Conference on TI - A Novel Reference Node Selection Algorithm Based on Trilateration for Indoor Sensor Networks SN - 0-7695-2983-6 SP1003 EP1008 A1 - Guangjie Han, A1 - Deokjai Choi, A1 - Wontaek Lim, PY - 2007 VL - 0 JA - Computer and Information Technology, International Conference on ER -

Guangjie Han, Chonnam National University, Gwangju, 500-757, Korea

Deokjai Choi, Chonnam National University, Gwangju, 500-757, Korea

Wontaek Lim, Chonnam National University, Gwangju, 500-757, Korea

The key problem of location service in indoor sensor networks is to quickly and precisely acquire the position information of mobile nodes. Traditional positioning algorithms, such as Two-Phase Positioning (TPP) algorithm, are too complicated to be used in a mobile node and they cannot satisfy the time constraints. We analyze the localization error and draw the conclusion that the localization error is the least when three reference nodes form an equilateral triangle. We also proof three basic positioning theorem of reference node. Therefore, we propose a novel Reference Node Selection algorithm based on Trilateration (RNST), which can effective meet real- time localization requirement of the mobile nodes in indoor environment, and guarantee less localization error.

Citation:

Guangjie Han, Deokjai Choi, Wontaek Lim, "A Novel Reference Node Selection Algorithm Based on Trilateration for Indoor Sensor Networks," cit, pp.1003-1008, 7th IEEE International Conference on Computer and Information Technology (CIT 2007), 2007

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