Title	Enhancing the Power Spectral Density of PPM TH-IR UWB Signals Using Sub-Slots Technique
Author	Nidal Qasem, Bashar Al-haj Moh’d
Citation	Vol. 17  No. 1  pp. 124-129
Keywords	FFT, PPM, PSD, Spectral Estimation, TH-IR, UWB.

Title	Wideband Rectangular Planar Monopole Antenna for OAM Wave Generation
Author	Nidal Qasem and Ahmad Alamayreh
Citation	Vol. 21  No. 3  pp. 55-59
Keywords	Antennas, orbital angular momentum, planar metal-plate monopole antenna.