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Updated: May 10, 2025

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Joint Entropy Error Bound of Two-Dimensional Direction-of-Arrival Estimation for L-Shaped Array

Xiaolong Kong1, Daxuan Zhao1, Nan Wang1

  • 1The Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.

Sensors (Basel, Switzerland)
|April 28, 2025
PubMed
Summary

This study introduces a new Azimuth and Elevation Direction-of-Arrival Entropy Error Bound (AEEEB) for L-shaped arrays. The AEEEB offers a tighter performance bound than the Cramér-Rao bound (CRB) in low and medium signal-to-noise ratio regions.

Keywords:
L-shaped line arraydirection-of-arrival estimationglobal performance boundjoint a posteriori entropy

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