Dynamic PL&T using Two Reference Nodes Equipped with Steered Directional Antenna for Significant PL&T Accuracy

Niraj Shakhakarmi and Dhadesugoor R. Vaman
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Niraj Shakhakarmi: Department of Electronics and Computer Engineering, Navajo Technical College, Crownpoint, NM, USA
Dhadesugoor R. Vaman: Centre for Excellence in Battlefield Communications, A&M University, Prairie View, TX, USA

International Journal of Interdisciplinary Telecommunications and Networking (IJITN), 2012, vol. 4, issue 4, 40-53

Abstract: Dynamic Position Location and Tracking (PL&T) is proposed deploying the integrated approach of zone finding and triangulation using two friendly nodes equipped with Steered Directional Antenna (DA) in Mobile Ad hoc Networks (MANET). This approach allows the system to use only two references instead of a typical 3 references for a straight triangulation. Moreover, the performance of the proposed algorithm with references using directional antennas shows significant improvement over triangulation using references with Omni-directional antennas as the beam power is concentrated. However, dynamic switching of reference nodes is frequently required as the target moves outside the predicted zone. This paper presents a better tracking accuracy in using proposed dynamic PL&T as compared to other PL&T techniques. The multipath fading is also addressed with the use of KV transform coding technique which uses forward error correction and sample interleaving achieves greater than 90% tracking accuracy with BERs of 10-6 or better.

Date: 2012
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