International Journal of Computer Applications |
Foundation of Computer Science (FCS), NY, USA |
Volume 24 - Number 6 |
Year of Publication: 2011 |
Authors: Muhammad Tabish Niaz, Dr. Adnan Ahmad Khan, Dr. Imran Shafi |
10.5120/2963-3955 |
Muhammad Tabish Niaz, Dr. Adnan Ahmad Khan, Dr. Imran Shafi . Passive Source Localization in a Randomly Distributed Wireless Sensor Networks. International Journal of Computer Applications. 24, 6 ( June 2011), 1-5. DOI=10.5120/2963-3955
This paper proposes a source localization scheme using random arrays of Wireless Sensor Networks (WSN). A Total Least Square (TLS) estimator is proposed which improves the result of the location of source node. Using a relatively new Direction of Arrival (DOA) estimation technique Space Division Multiple Access (SDMA) receiver the proposed solution is able to perform localization in a multipath environment. The propose scheme considers both Line of Sight (LOS) and Non Line of Sight (NLOS) signals to perform the localization with the TLS estimator which is efficient than a simple Least Square (LS) estimator. Simulation results are included to demonstrate that the proposed solution provides an improved estimate by exploiting the NLOS information, SDMA receiver and using TLS estimator.