Hybrid TOA/AOA approximate maximum likelihood mobile localization

Authors:
Mohamed Zhaounia;Mohamed Adnan Landolsi;Ridha Bouallegue
Affiliations:
Unité de recherche 6'Tel, Ecole Superieure des Communications, El Ghazala, Ariana, Tunisia;EE Department, King Fahd University, Dhahran, Saudi Arabia;Unité de recherche 6'Tel, Ecole Superieure des Communications, El Ghazala, Ariana, Tunisia
Venue:
Journal of Electrical and Computer Engineering
Year:
2010

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Abstract

This letter deals with a hybrid time-of-arrival/angle-of-arrival (TOA/AOA) approximate maximum likelihood (AML) wireless location algorithm. Thanks to the use of both TOA/AOA measurements, the proposed technique can rely on two base stations (BS) only and achieves better performance compared to the original approximate maximum likelihood (AML) method. The use of two BSs is an important advantage in wireless cellular communication systems because it avoids hearability problems and reduces network signaling burden. Simulation results show that, for certain scenarios, the proposed hybrid TOA/AOA AML with two BSs can outperform the AML with up to six BSs.