Dr. Ahmed Arafa, Ph.D.

Electrical and Computer Engineering
Assistant Professor
EPIC 2262
704-687-7480
Education:
  • Ph.D., University of Maryland College Park, 2017
  • M.Sc., Nile University, Egypt, 2012
  • B.Sc., Alexandria University, Egypt 2010
Research:
General area:
  • Communication Theory
  • Information Theory
  • Networks
Recent focus:
  • Energy harvesting communications
  • Age of Information
  • Physical layer security
  • Non-orthogonal multiple access systems
  • Visible light communications
    Selected publications:
    1. Age-Minimal Transmission for Energy Harvesting Sensors with Finite Batteries: Online Policies
      A. Arafa, J. Yang, S. Ulukus, and H. V. Poor
      IEEE Transactions on Information Theory – submitted June 2018.
    2. Secure Relaying in Non-Orthogonal Multiple Access: Trusted and Untrusted Scenarios 
      A. Arafa, W. Shin, M. Vaezi, and H. V. Poor
      IEEE Transactions on Information Forensics and Security – to appear.
    3. Timely Updates in Energy Harvesting Two-Hop Networks: Offline and Online Policies
      A. Arafa, and S. Ulukus
      IEEE Transactions on Wireless Communications, 18(8):4017–4030, August 2019.
    4. Relay-Aided Secure Broadcasting for Visible Light Communications
      A. Arafa, E. Panayirci, and H. V. Poor
      IEEE Transactions on Communications, 67(6): 4227–4239, June 2019.
    5. Online Fixed Fraction Policies in Energy Harvesting Communication Systems
      A. Arafa, A. Baknina, and S. Ulukus
      IEEE Transactions on Wireless Communications, 17(5):2975–2986, May 2018.
    6. Optimal Policies for Wireless Networks with Energy Harvesting Transmitters and Receivers: Effects of Decoding Costs
      A. Arafa, and S. Ulukus
      IEEE Journal on Selected Areas in Communications – Series on Green Communications and Networking, 33(12):2611–2625, December 2015.
    Personal Website:

    Website