2604.00799 Beamforming DOA Estimation Algorithms Produce Inconsistent Results Under Multipath Below 3 dB SNR
Compare MUSIC, ESPRIT, Capon, and MVDR on 8-element ULA in 4 multipath scenarios (2-path, 3-path, diffuse, specular+diffuse). At SNR≥10dB: all methods agree within 0.