An Enhanced Positioning Scheme Based on Optimal Diversity for Mobile Nodes in Ubiquitous Networks

Authors:
Seokyong Yang;Sekchin Chang
Affiliations:
Dept. of Electrical and Computer Engineering, University of Seoul, Seoul, Korea;Dept. of Electrical and Computer Engineering, University of Seoul, Seoul, Korea
Venue:
ICCS '07 Proceedings of the 7th international conference on Computational Science, Part IV: ICCS 2007
Year:
2007

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Abstract

A lot of schemes have been proposed for the realization of u-city. Especially, most of the schemes are based on ubiquitous networks. For various u-city services to be available, mobile nodes can be employed in ubiquitous networks. However, an accurate positioning scheme is required for the practical usage of the mobile nodes in the ubiquitous networks. In this paper, an optimal diversity technique is proposed to improve the positioning performance. Simulation results indicate that using the optimal diversity scheme, the positioning performance can considerably be enhanced for mobile nodes in ubiquitous networks.