​Doha Raik Hamza Mohamed remained at KAUST as Associate Research Scientist under the supervision of Prof. Je Shamma after graduation of Ph.D. from the CTL group at KAUST in 2014.

Education and early career

Doha Raik obtained her B.S. in Communications and Electronics Engineering, Alexandria University, Alexandria, Egypt in 2001. Then in 2008, she went to Nile University, Cairo, Egypt to get M.S. in Wireless Communications. After graduation in 2010, she earned a Ph.D. degree in Electrical Engineering at King Abdullah University of Science and Technology (KAUST), Thuwal.

Research Interests

  • ​Cognitive radio networks
  • Matching theory
  • Assignment games
  • Game theory with applications to wireless networks
  • Cognitive radio network relaying and cognitive power control with feedback
  • Distributed spectrum sensing
  • Cross layer design


Google Scholar




Education Profile

  • PhD in Electrical Engineering, King Abdullah University of Science and Technology (KAUST), Saudi Arabia (January 2012- June  2014)
  • MS in Wireless Communications, Nile University, Egypt (2010)
  • BS in Communications and Electrical Engineering, Alexandria University, Egypt (2001)

Selected Publications

D. Hamza, “The Utility of ARQ in Z-Interference Networks,” Wireless Intelligent Networks Center (WINC), Nile University, Cairo, Egypt, Aug. 2010.
D. Hamza and S. Aissa, "An optimal probabilistic multiple access scheme for cognitive radios," IEEE Transactions on Vehicular Technology, vol. 61, no. 7, pp. 3002-3014, Sep. 2012.
D. Hamza and S. Aissa, "Secondary access based on sensing and primary ARQ feedback in spectrum sharing systems," in Proc. of IEEE Wireless Communications and Networking Conference (WCNC 2012), Paris, France, Apr. 2012.
M. Nafea, D. Hamza, K. Seddik, M. Nafie, and H. ElGamal, "On the ARQ protocols over the Z-interference channels: Diversity-multiplexing-delay tradeoff," in Proc. of IEEE International Symposium on Information Theory Proceedings (ISIT 2012), Cambridge, MA, USA, Jul. 2012.
D. Hamza and S. Aissa, "Impact of sensing errors on the queueing delay and transmit power in cognitive radio access", in Proc. of International Conference on Communications and Information Technology (ICCIT 2011), Aqaba, Jordan, Mar. 2011.
D. Hamza and M. Nafie, “Throughput maximization over temporally correlated fading channels in cognitive radio networks", in Proc. of IEEE International Conference on Telecommunications (ICT 2010), Doha, Qatar, Apr. 2010.