Mobile Information Systems

Mobile Information Systems / 2012 / Article

Open Access

Volume 8 |Article ID 986327 |

Yang Sun Lee, Jang Woo Park, Leonard Barolli, "A Localization Algorithm Based on AOA for Ad-Hoc Sensor Networks", Mobile Information Systems, vol. 8, Article ID 986327, 12 pages, 2012.

A Localization Algorithm Based on AOA for Ad-Hoc Sensor Networks

Received16 Feb 2012
Accepted16 Feb 2012


Knowledge of positions of sensor nodes in Wireless Sensor Networks (WSNs) will make possible many applications such as asset monitoring, object tracking and routing. In WSNs, the errors may happen in the measurement of distances and angles between pairs of nodes in WSN and these errors will be propagated to different nodes, the estimation of positions of sensor nodes can be difficult and have huge errors. In this paper, we will propose localization algorithm based on both distance and angle to landmark. So, we introduce a method of incident angle to landmark and the algorithm to exchange physical data such as distances and incident angles and update the position of a node by utilizing multiple landmarks and multiple paths to landmarks.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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