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An Efficient Beacon Management Technique for Senor Network-Based Indoor Location Systems  

Kim, Jong-Hyun (광운대학교 전자통신공학과)
Chung, Kwang-Sue (광운대학교 전자통신공학과)
Publication Information
Journal of KIISE:Information Networking / v.36, no.4, 2009 , pp. 330-338 More about this Journal
Abstract
Various applications based on the location information of things are developed as entering by the ubiquitous computing age. Wireless sensor networks are suitable to indoor location-based service because of the important features such as low-power consumption, low-cost, easy deployment, etc. To recognize the distance between nodes, the indoor location-based system transmits both ultrasound signal and radio signal periodically. However, increment of the number of deployed sensor nodes make lots of collision and interference among the signals and it can degrade the accuracy of location-based system. In this paper, we propose a beacon management mechanism to increase the probability of transmission chance to the nearest beacon from the listener. It can minimize collision and interference and reduce the error probability due to the characteristics of ultrasound.
Keywords
Indoor location based system; beacon management mechanism;
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