Directional UWB channel simulator. - Ali H. Muqaibel; Umar Johar (WPNC, 2009)

Development and Implementation of an Electric Circuits On-Line Course. - Mahmoud M. Dawoud; Hussain Al-Jamid; Noman Tassaduq; Ahmed Hussain; Umar Johar (Int. J. Online Eng., 2009)

Ultra-wideband characterization of obstructed propagation. - Nuruddeen Iya; Ali H. Muqaibel; Umar Johar; Mohamed Adnan Landolsi (IWCMC, 2011)

A signer-independent Arabic Sign Language recognition system using face detection, geometric features, and a Hidden Markov Model. - Mohamed A. Mohandes; Mohamed A. Deriche; Umar Johar; S. Ilyas (Comput. Electr. Eng., 2012)

Improved residual weighting for NLOS mitigation in TDOA-based UWB positioning systems. - Khaled M. Al-Qahtani; Abdullah S. Al-Ahmari; Ali H. Muqaibel; Mohamed Adnan Landolsi; Umar Johar (ICT, 2014)