Improvement on APIT Localization Algorithms for Wireless Sensor Networks

Authors:
Ji zeng Wang;Hongxu Jin
Affiliations:
-;-
Venue:
NSWCTC '09 Proceedings of the 2009 International Conference on Networks Security, Wireless Communications and Trusted Computing - Volume 01
Year:
2009

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Research on APIT and Monte Carlo method of localization algorithm for wireless sensor networks

LSMS/ICSEE'10 Proceedings of the 2010 international conference on Life system modeling and simulation and intelligent computing, and 2010 international conference on Intelligent computing for sustainable energy and environment: Part II

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Abstract

Wireless Sensor Networks (WSN) can be used in many application fields. The localization of sensor nodes, which is the foundation of the other applications, is to determine self-position using a certain localization scheme, according to the anchor nodes. In this paper, a thorough analysis for approximate point-in-triangulation test (APIT) algorithm is made, and an improvement of it is proposed. The analysis shows: compared with the original one, the improvement algorithm reduces the probabilities of In-To-Out Error and Out-To-In Error from the original one and the more perfectly theory has been appeared.