Constant Envelope OFDM. - Steve C. Thompson; Ahsen U. Ahmed; John G. Proakis; James R. Zeidler; Michael J. Geile (IEEE Trans. Commun., 2008)

Subcarrier based threshold performance enhancement in Constant Envelope OFDM. - Ahsen U. Ahmed; Steve C. Thompson; David W. Chi; James R. Zeidler (MILCOM, 2012)

Reception and Performance Enhancement Techniques for Constant Envelope OFDM /. - Ahsen U. Ahmed (2014)

Novel Low-Complexity Receivers for Constant Envelope OFDM. - Ahsen U. Ahmed; James R. Zeidler (IEEE Trans. Signal Process., 2015)

BER Performance of Polar Coded OFDM in Multipath Fading. - David R. Wasserman; Ahsen U. Ahmed; David W. Chi (CoRR, 2016)