Qahhar received the PhD in Computer Systems Engineering from the University of Southern Queensland in 2015, MSc in Computer Information Engineering from the International Islamic University Malaysia in 2001, and BSc in Electronics and Communications Engineering from Salahaddin University Erbil in 1993. He has more than 20 years tertiary teaching experience and 10 years industrial experience in communications and computer system engineering in Kurdistan, Australia and Malaysia. Qahhar is the solo or first author of IEEE Transactions, IEEE journals and IEEE Letters. He is reviewing for IEEE journals and an organizing committee of the International Telecommunication Networks and Applications Conference ITNAC and a technical program committee for a number of International conferences. He is the recipient of a number of international scholarships such as Australian Postgraduate Awards, The Middle East and North Africa (MENA) Scholarship (or MSP) and Malaysian International Postgraduate Research Award (IPRA). He is a member of IEEE, Engineers Australia, Australian Computer Society (ACS), Engineers Canada and Kurdistan Engineers Union. His current research interests include low-power wide area networks, IoT, green communication and industry 4.0.