Effect of Coverage Area in Performance of Multinode Angle of Arrival (AoA) Based Localization

This article studies the Angle of Arrival (AOA) based localization performance for unknown node position which focuses on the effect of coverage area parameter. This parameter shows the acceptable detection range of localization system compared to the sensor node's position. AOA-based localization utilizes signal angle or direction estimated by each node and estimates unknown node position or location by combining angle information collected from every sensor node. To evaluate the AOA-based localization performance, simple frameworks are designed and implemented. Furthermore, localization performance is analyzed by calculating position root mean square error (RMSE) and misintersection ratio. Using the above parameters, it is concluded that better localization performance can be achieved by lower angle noise
$\theta_{\mathrm{n}}$
and generally area length equal to or less than sensor radius
$(s < r)$
.