Downlink performance of multi-beam multi-satellite CDMA-based LEO satellite system with power control. - Umrani A. Waheed; Vimal K. Dubey (GLOBECOM, 2000)

Corrections to "BER performance of a uniform circular array versus a uniform linear array in a mobile radio environment". - Umrani A. Waheed; Vimal K. Dubey (IEEE Trans. Wirel. Commun., 2006)

Performance Analysis of PDC-OCDMA System with APD Mismatch. - Fahim Aziz Umrani; Timothy O'Farrell; Umrani A. Waheed (IMTIC, 2008)