MIMO-OTFS in High-Doppler Fading Channels: Signal Detection and Channel Estimation. - M. Kollengode Ramachandran; A. Chockalingam (GLOBECOM, 2018)

OTFS Modulation with Phase Noise in mmWave Communications. - G. D. Surabhi; M. Kollengode Ramachandran; A. Chockalingam (VTC Spring, 2019)