Localization of sensor nodes is important in many aspects in wireless sensor networks. The known location of sensor node helps in determining the event of interest. A mobile sink is introduced to track the event driven sensor nodes in the...
moreLocalization of sensor nodes is important in many aspects in wireless sensor networks. The known location of sensor node helps in determining the event of interest. A mobile sink is introduced to track the event driven sensor nodes in the path of the event, thus conserving energy and time. We present a novel range based localization algorithm which helps the mobile sink to compute the location of the sensor
nodes efficiently. The data transfer from the mobile sink and the sensor nodes is used to estimate the sensor location. The sensor nodes do not need to spend energy on neighbouring interaction for localization. The localization mechanism has been implemented in TOSSIM. The simulation results show that our scheme performed better than other range-based schemes.