Dynamic Spectrum Allocation Algorithm for Cognitive Networks

Authors:
Paul Houze;Sana Ben Jemaa;Pascal Cordier
Affiliations:
France Telecom Research and Development, France;France Telecom Research and Development, France;France Telecom Research and Development, France
Venue:
ICWMC '07 Proceedings of the Third International Conference on Wireless and Mobile Communications
Year:
2007

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Abstract

Future wireless communications will benefit from cognitive functionalities, operated by reconfigurable networks and terminals. In a context where any parameter could be adapted dynamically in an "always best connected" perspective, the spectrum allocation flexibility would be a powerful feature. In this paper, we study the technical feasibility of Dynamic Spectrum Allocation in a multi-technology and multi-operator context. Firstly, the generic technical approach will be described; secondly, an algorithm, inspired by the Cognitive Radio Cycle will then be proposed. An example of DSA simulation with legacy systems will be presented, in order to underline the algorithm validity.