Joint Angle and Delay Estimation for OFDM Using Unitary Transform and Structured Least Squares
GUO Li-kai, WU Ying, YIN Jie-xin, WANG Cheng
Journal of Applied Sciences . 2017, (6): 693 -705 .  DOI: 10.3969/j.issn.0255-8297.2017.06.003