Publications
Journals
G. D. Surabhi and A. Chockalingam, ``Low-complexity linear equalization for OTFS modulation," IEEE Commun. Lett., vol. 24, no. 2, pp. 330-334, Feb. 2020.
G. D. Surabhi, R. M. Augustine, and A. Chockalingam, ``On the diversity of uncoded OTFS modulation in doubly-dispersive channels," IEEE Trans. Wireless Commun., vol. 18, no. 6, pp. 3049-3063, Jun. 2019.
G. D. Surabhi , R. M. Augustine, and A. Chockalingam, ``Peak-to-average power ratio of OTFS modulation," IEEE Commun. Lett., vol. 23, no. 6, pp. 999-1002, Jun. 2019.
M. K. Ramachandran, G. D. Surabhi, and A. Chockalingam, ``OTFS: A new modulation scheme for high-mobility use cases," Journ. of the Indian Institute of Science, vol. 100, no. 2, pp. 315-336, Apr. 2020.
G. D. Surabhi, R. M. Augustine, and A. Chockalingam, ``OTFS multiple access (OTFS-MA) on the uplink in high-mobility environments," journal paper under preparation.
Conferences
G. D. Surabhi and A. Chockalingam, ``Low-complexity linear equalization for 2X2 MIMO-OTFS signals," Proc. IEEE SPAWC'2020, May 2020.
G. D. Surabhi, M. K. Ramachandran, and A. Chockalingam ``Effect of phase noise on OTFS modulation in mmWave communication," Proc. IEEE VTC 2019-Spring, Kaula Lumpur, Malaysia, Apr-May 2019.
R. M. Augustine, G. D. Surabhi, and A. Chockalingam, ``Space-time coded OTFS modulation for high Doppler channels," Proc. IEEE VTC 2019-Spring, Kaula Lumpur, Malaysia, Apr-May 2019.
G. D. Surabhi, R. M. Augustine, and A. Chockalingam, ``Multiple access in the delay-Doppler domain using OTFS modulation," ITA'2019, San Diego, USA, Feb. 2019.
G. D. Surabhi and A. Chockalingam, ``Compact Antenna Spacing in mmWave MIMO Systems Using Random Phase Precoding," Proc. IEEE VTC 2017-Fall, Toronto, Canada, September 2017.
G. D. Surabhi and A. Chockalingam, ``Efficient Signaling Schemes for mmWave LOS MIMO Communication Using Uniform Linear and Circular Arrays," Proc. IEEE VTC 2017-Spring, Sydney, Australia, June 2017.