1-Irfan Ahmed, and Warren F. Perger,
"Effect of Ground on Antenna mutual impedance for DOA estimation using Di pole Arrays "
Progress in Electromagnetic Research, Vol 46, 179-185, 2014
2-Akhtar Saeed, and Irfan Ahmed,
"Wireless Sensor Networks – A Comprehensive Study"
1st International Conference on Information and Communication Technology Trends (ICICTT), Karachi , ISBN: 978-969-9825-00-2, 2nd to 5th of September 2013
3-Irfan Ahmed and Warren F. Perger,
"Direction Finding in the Presence of Near Zone Resonant Size Scatterers"
Progress in Electromagnetics Research (PIER B), Vol. 56, page 219-234, 2013
4-Irfan Ahmed, Warren F. Perger, and Seyed A. Zekavat,
"Effects of Ground Constituent Parameters on Array Mutual Coupling for DOA Estimation, " International Journal of Antennas and Propagation, vol. 2011, Article ID 425913,5 pages, 2011. doi:10.1155/2011/425913