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Computationally Efficient 2-D DOA Estimation Using Two Parallel Uniform Linear Arrays
Hailin Cao,Lisheng Yang,Xiaoheng Tan,Shizhong Yang 한국전자통신연구원 2009 ETRI Journal Vol.31 No.6
A new computationally efficient algorithm-based propagator method for two-dimensional (2-D) direction-of-arrival (DOA) estimation is proposed, which uses two parallel uniform linear arrays. The algorithm takes advantage of the special structure of the array which enables 2-D DOA estimation without pair matching. Simulation results show that the proposed algorithm achieves very accurate estimation at a computational cost 4 dB lower than that of standard methods.