Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 15, Issue -, Pages 1669-1672Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2016.2521785
Keywords
L-shaped array; pair matching; propagator method; two-dimensional direction-of-arrival (2-D DOA) estimation
Funding
- National High-tech R&D Program of China (863 Program) [2014AA80XX086H]
- Fundamental Research Funds for the Central Universities of China [JB140203]
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As L-shaped array can provide good angle estimation performance and is easy to implement, many two-dimensional (2-D) direction-of-arrival (DOA) estimation algorithms have been developed. In this letter, we present a low-computation-complexity DOA estimation method for L-shaped array that exploits the conjugate symmetry property of the array manifold matrix to increase the effective array aperture and improve the angle estimation performance. Hence, the DOA estimation is obtained via combining propagator method (PM) with ESPRIT algorithm, which does not need spectrum peak search or additional angle pair matching procedure. Simulation results demonstrate the effectiveness of the proposed method.
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