Cooperative Relative UAV Attitude Estimation Using DoA and RF Polarization

Relative unmanned aerial vehicle attitude is estimated using only on-board radio-frequency signaling. The method uses a direction-of-arrival (DoA) vector estimate to determine two degrees-of-freedom (DoFs), a polarimetric narrowband multiple-input multiple-output (MIMO) channel estimate to specify t...

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Bibliographic Details
Published in:IEEE transactions on aerospace and electronic systems 2020-08, Vol.56 (4), p.2689-2700
Main Authors: Wallace, Jon W., Mahmood, Attiya, Jensen, Michael A., Mehmood, Rashid
Format: Article
Language:English
Subjects:
Aircraft navigation
Ambiguity resolution (mathematics)
Attitudes
Channel estimation
Cooperative navigation
Degrees of freedom
Direction of arrival
Direction-of-arrival estimation
Estimation
Global Positioning System
Global positioning systems
GPS
MIMO (control systems)
MIMO communication
MIMO systems
Narrowband
Navigational aids
Polarimetry
pose estimation
Radio frequency
Radio signals
relative attitude estimation
Satellite navigation systems
Unmanned aerial vehicles
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Summary:Relative unmanned aerial vehicle attitude is estimated using only on-board radio-frequency signaling. The method uses a direction-of-arrival (DoA) vector estimate to determine two degrees-of-freedom (DoFs), a polarimetric narrowband multiple-input multiple-output (MIMO) channel estimate to specify the third DoF to within a 180^\circ ambiguity, and one of the several potential methods for ambiguity resolution. Simulation results demonstrate that the method accurately determines aircraft attitude, with errors proportional to DoA and MIMO channel estimate errors. This approach is useful for cooperative navigation when external navigation aids are not available, such as in GPS-denied environments.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2019.2952701