On the Design of ToA Based RSS Compensation Scheme for Distance Measurement in WSNs


The KIPS Transactions:PartC, Vol. 16, No. 5, pp. 615-620, Oct. 2009
10.3745/KIPSTC.2009.16.5.615,   PDF Download:

Abstract

Nowadays, wireless infrastructures such as sensor networks are widely used in many different areas. In case of sensor networks, the wirelessly connected sensors can execute different kind of tasks in a diversity of environments, and one of the most important parameter for a successful execution of such tasks is the location information of each node. As to localization problems in WSNs, there are ToA (Timer of Arrival), RSS (Received Signal Strength), AoA (Angle of Arrival), etc. In this paper, we propose a modification of existing ToA and RSS based methods, adding a weighted average scheme to measure more precisely the distance between nodes. The comparison experiments with the traditional ToA method show that the average error value of proposed method is reduced by 0.1 cm in indoor environment (5mx7m) and 0.6cm in outdoor environment (10x10m).


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Cite this article
[IEEE Style]
H. J. Han and T. W. Kwon, "On the Design of ToA Based RSS Compensation Scheme for Distance Measurement in WSNs," The KIPS Transactions:PartC, vol. 16, no. 5, pp. 615-620, 2009. DOI: 10.3745/KIPSTC.2009.16.5.615.

[ACM Style]
Hyeun Jin Han and Tae Wook Kwon. 2009. On the Design of ToA Based RSS Compensation Scheme for Distance Measurement in WSNs. The KIPS Transactions:PartC, 16, 5, (2009), 615-620. DOI: 10.3745/KIPSTC.2009.16.5.615.