Browsing Electrical Engineering by Author "Poor, H. Vincent"

Now showing items 1-4 of 4

    • Adaptive modulation in multi-user cognitive radio networks over fading channels 

      Foukalas, F.; Khattab, T.; Poor, H. Vincent ( IEEE Computer Society , 2013 , Conference Paper)
      In this paper, the performance of adaptive modulation in multi-user cognitive radio networks over fading channels is analyzed. Multi-user diversity is considered for opportunistic user selection among multiple secondary ...

    • On the Design of a Relay-Assisted Network 

      El Shafie, Ahmed; Khattab, Tamer; Sultan, Ahmed; Poor, H. Vincent ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)
      A relay network composed of a source, a set of relays, and a destination is considered. A queueing framework is proposed, in which each node maintains a buffer to store its incoming traffic. An optimization-based formulation ...

    • On the design of relay-assisted primary-secondary networks 

      Shafie, Ahmed El; Sultan, Ahmed; Khattab, Tamer; Poor, H. Vincent ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)
      The use of N cognitive relays to assist primary and secondary transmissions in a time-slotted cognitive setting with one primary user (PU) and one secondary user (SU) is investigated. An overlapped spectrum sensing strategy ...

    • Protocol design and stability analysis of cooperative cognitive radio users 

      El Shafie, Ahmed; Khattab, Tamer; Poor, H. Vincent ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)
      A single cognitive radio transmitter-receiver pair shares the spectrum with two primary users communicating with their respective receivers. Each primary user has a local traffic queue, whereas the cognitive user has three ...