• Energy efficient spectrum allocation and mode selection for mission-critical D2D communications 

      Apostolos G., Konstantinos K., Aikaterini N., Foukalas F., Khattab T. (2016)
      Device-to-device (D2D) communications is considered as a key enabling technology in future cellular networks and thus, it has become an intriguing topic for research. It refers to an innovative technology that enables User ...
    • Incentive mechanisms for hierarchical spectrum markets 

      Iosifidis, G.; Chorppath, A. K.; Alpcan, T.; Koutsopoulos, I. (2012)
      We study spectrum allocation mechanisms in hierarchical multi-layer markets which are expected to proliferate in the near future according to the evolving spectrum policy reform proposals. We consider the scenario that ...