CogNet: an architectural foundation for experimental cognitive radio networks within the future internet

  • Authors:
  • Dipankar Raychaudhuri;Narayan B. Mandayam;Joseph B. Evans;Benjamin J. Ewy;Srinivasan Seshan;Peter Steenkiste

  • Affiliations:
  • Rutgers University, New Brunswick, NJ;Rutgers University, New Brunswick, NJ;University of Kansas, Lawrence, KS;University of Kansas, Lawrence, KS;Carnegie Mellon Univ., Pittsburgh, PA;Carnegie Mellon Univ., Pittsburgh, PA

  • Venue:
  • Proceedings of first ACM/IEEE international workshop on Mobility in the evolving internet architecture
  • Year:
  • 2006

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Abstract

This paper describes a framework for research on architectural tradeoffs and protocol designs for cognitive radio networks at both the local network and the global internetwork levels. Several key architectural issues for cognitive radio networks are discussed, including control and management protocols, support for collaborative PHY, dynamic spectrum coordination, flexible MAC layer protocols, ad hoc group formation and cross-layer adaptation. The overall goal of this work is the design and validation of the control/management and data interfaces between cognitive radio nodes in a local network, and also between cognitive radio networks and the global Internet. Protocol design and implementation based on this framework will result in the CogNet architecture, a prototype open-source cognitive radio protocol stack. Experimental evaluations on emerging cognitive radio platforms are planned for future work, first in a wireless local-area radio network scenario using wireless testbeds such as ORBIT, and later as part of several end-to-end experiments using a wide-area network testbed such as PlanetLab (and GENI in the future).