کنفرانس مهندسی برق ایران

صفحه اصلی / سی و چهارمین کنفرانس بین المللی مهندسی برق

UAV-Assisted 3-D Localization Using a Simple and Efficient TDOA–AOA Estimator

نویسندگان :

Mojtaba Amiri¹ Rouhollah Amiri²

1- University of Tehran 2- Sharif university of technology

کلمات کلیدی :

Source Localization،Angle of Arrival (AOA)،Time Difference of Arrival (TDOA)،Weighted Least Squares Estimator،Cramér-Rao Lower Bound (CRLB)

چکیده :

This paper proposes an algebraic solution for the problem of 3-D source localization utilizing the minimum number of measurements, i.e., one Time Difference of Arrival (TDOA) and one Angle of Arrival (AOA) pair. The proposed method employs a closed-form weighted least squares estimator and enables the positioning using a single ground station and a cooperative UAV relaying the signal. Analytical derivations and simulation results demonstrate effectiveness of the proposed approach, achieving near-optimal performance aligned with the Cramér-Rao Lower Bound (CRLB) under moderate Gaussian noise conditions.

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