Jerzy Martyna

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  • Jerzy Martyna
  • 2012 8th International Symposium on Communication…
  • 2012
We consider a cognitive radio network in which a set of primary users make opportunistic spectrum access to support cognitive radios within their coverage areas. In cognitive radio networks, all cognitive radios compete for radio resources and can interfere with each other. The conflicting objectives of users make it highly unlikely for any user to gain(More)
Real-time systems, especially software control systems, are developed to meet the requirements of real-time automation systems. One such crucial requirement is reducing the delay and jitter of periodic tasks in such systems. In this paper, we present a new method for reducing delays and jitters of periodic tasks, which are enforced by the operating system,(More)
  • Jerzy Martyna
  • 2014 9th International Symposium on Communication…
  • 2014
This paper presents a bandwidth allocation and pricing framework for the spectrum underlay in cognitive radio networks. We assume that a cognitive radio network containing a set of primary users coexists with secondary users in an underlay spectrum sharing paradigm. Primary users use licensed bands of the spectrum while secondary users choose among the(More)