Skip to Main content Skip to Navigation
Journal articles

Inter-Operator Spectrum Sharing from a Game Theoretical Perspective

Abstract : We address the problem of spectrum sharing where competitive operators coexist in the same frequency band. First, we model this problem as a strategic non-cooperative game where operators simultaneously share the spectrum according to theNash Equilibrium (NE). Given a set of channel realizations, several Nash equilibria exist which renders the outcome of the game unpredictable. Then, in a cognitive context with the presence of primary and secondary operators, the inter-operator spectrum sharing problem is reformulated as a Stackelberg game using hierarchy where the primary operator is the leader. The Stackelberg Equilibrium (SE) is reached where the best response of the secondary operator is taken into account upon maximizing the primary operator's utility function. Moreover, an extension to the multiple operators spectrum sharing problem is given. It is shown that the Stackelberg approach yields better payoffs for operators compared to the classical water-filling approach. Finally, we assess the goodness of the proposed distributed approach by comparing its performance to the centralized approach.
Complete list of metadatas

Cited literature [32 references]  Display  Hide  Download

https://hal.archives-ouvertes.fr/hal-00446284
Contributor : Samson Lasaulce <>
Submitted on : Tuesday, January 12, 2010 - 2:23:38 PM
Last modification on : Wednesday, April 8, 2020 - 3:55:35 PM
Document(s) archivé(s) le : Friday, June 18, 2010 - 12:44:51 AM

File

eurasip-bennis-online.pdf
Publisher files allowed on an open archive

Identifiers

Citation

Samson Lasaulce, M. Bennis, Merouane Debbah. Inter-Operator Spectrum Sharing from a Game Theoretical Perspective. Eurasip Journal on Applied Signal Processing, Hindawi Publishing Corporation, 2009, 2009 (8), pp.1-12. ⟨10.1155/2009/295739⟩. ⟨hal-00446284⟩

Share

Metrics

Record views

540

Files downloads

655