A Linear Technique for Artifacts Correction and Compensation in Phase Interferometric Angle of Arrival Estimation

Area of Science:

• Telecommunications Engineering
• Signal Processing
• Wireless Communication

Background:

• Radio localization and positioning are crucial for telecommunications.
• Existing methods often use adaptive techniques for cooperative device tracking.
• Angle-of-Arrival (AoA) estimation is a key parameter in these systems.

Purpose of the Study:

• To investigate artifacts impacting phase interferometry-based AoA estimation.
• To introduce and validate a novel technique for mitigating these artifacts.
• To enhance the accuracy of radio localization in cooperative tracking scenarios.

Main Methods:

• Exploration of mathematical derivations for AoA estimation artifacts.
• Development of a simple mitigation technique.
• Experimental validation of the proposed approach.

Main Results:

• Identification of specific artifacts in phase interferometry AoA estimation.
• Demonstration of the proposed technique's effectiveness through experimental data.
• Significant improvement in AoA estimation accuracy compared to raw data.

Conclusions:

• The developed technique successfully mitigates artifacts in AoA estimation.
• This contributes to more reliable radio localization and cooperative device tracking.
• The findings have practical implications for telecommunications technologies.