Abstract:
Tracking targets in Underwater Wireless Sensor Networks (UWSNs) is more
challenging than the terrestrial Wireless Sensor Networks (WSNs) because in an
UWSN, Radio Frequency (RF) communication is not possible and acoustic channel
is used. The propagation delay in acoustic channel is much higher and variable
than that of RF channel. To track a target in an UWSN accurately, it is required
to keep many sensors active. But if the sensors are always kept active, the energy
consumption is high which causes the network failure. Besides in an UWSN,
due to the high and variable propagation delay in data transmission, information
management of a moving target is quite challenging. In this thesis, we provide
an energy efficient target tracking solution for UWSNs. We give an algorithm for
target detection with keeping a low number of sensors active which increases the
network lifetime. Simulation results show that our tracking method is more energy
efficient compared to a popular tracking method in UWSNs. We also compare the
estimation of the target’s position with the true target trajectory, and we find that
our detected trajectory matches with the true trajectory.
