Analog Approximate-FFT 8/16-Beam Algorithms, Architectures and CMOS Circuits for 5G Beamforming MIMO Transceivers.
Viduneth AriyarathnaArjuna MadanayakeXinyao TangDiego F. G. CoelhoRenato J. CintraLeonid BelostotskiSoumyajit MandalTheodore S. RappaportPublished in: IEEE J. Emerg. Sel. Topics Circuits Syst. (2018)