A comparison of channel estimation techniques in OFDM with a proposed improvement in FFT based estimator. - Malik Muhammad Usman Gul; Muhammad Azam; Syed Ismail Shah; Jamil Ahmad (IWCMC, 2009)

Design and implementation of a blind adaptive equalizer using Frequency Domain Square Contour Algorithm. - Malik Muhammad Usman Gul; Shahzad Amin Sheikh (Digit. Signal Process., 2010)

Which one is more sensitive to carrier frequency offsets - OFDMA or SC-FDMA? - Malik Muhammad Usman Gul; Sungeun Lee; Xiaoli Ma (MILCOM, 2011)

Robust synchronization for OFDM employing Zadoff-Chu sequence. - Malik Muhammad Usman Gul; Sungeun Lee; Xiaoli Ma (CISS, 2012)

Carrier frequency offset estimation for interleaved SC-FDMA systems. - Malik Muhammad Usman Gul; Sungeun Lee; Xiaoli Ma (CISS, 2012)

Carrier frequency offset estimation for OFDMA uplink using null sub-carriers. - Malik Muhammad Usman Gul; Sungeun Lee; Xiaoli Ma (Digit. Signal Process., 2014)

PARAFAC-based frequency synchronization for SC-FDMA uplink transmissions. - Malik Muhammad Usman Gul; Sungeun Lee; Xiaoli Ma (EURASIP J. Adv. Signal Process., 2014)

Timing and frequency synchronization for orthogonal frequency division multiple-access systems. - Malik Muhammad Usman Gul (2014)

High-diversity millimeter-wave CoMP transmission based on centralized SFBC in radio-over-fiber systems. - Lin Cheng 006; Malik Muhammad Usman Gul; Anthony Ng'oma; Feng Lu 007; Xiaoli Ma; Gee-Kung Chang (OFC, 2015)

Timing and Frequency Synchronization for OFDM Downlink Transmissions Using Zadoff-Chu Sequences. - Malik Muhammad Usman Gul; Xiaoli Ma; Sungeun Lee (IEEE Trans. Wirel. Commun., 2015)

Link quality analysis in the presence of blockages for analog beamformed mm-wave channel. - Swapnil Mhaske; Predrag Spasojevic; Ahsan Aziz; Malik Muhammad Usman Gul (MILCOM, 2016)

Full Dimension MIMO (FD-MIMO): Demonstrating Commercial Feasibility. - Gary Xu; Yang Li 024; Jin Yuan; Robert Monroe; Sridhar Rajagopal; Sudhir Ramakrishna; Young-Han Nam; Ji-Yun Seol; Jaeweon Kim; Malik Muhammad Usman Gul; Ahsan Aziz; Jianzhong Zhang 002 (IEEE J. Sel. Areas Commun., 2017)