Convex Optimization
Dynamic Spectrum Access with QoS and Interference Temperature Constraints
IEEE Transactions on Mobile Computing
IEEE Transactions on Mobile Computing
A new perspective on multi-user power control games in interference channels
IEEE Transactions on Wireless Communications
Introducing hierarchy in energy games
IEEE Transactions on Wireless Communications
Performance evaluation of advanced spectrum functionalities for future radio networks
Wireless Communications & Mobile Computing - Cognitive Radio and Advanced Spectrum Management
Capacity regions and bounds for a class of Z-interference channels
IEEE Transactions on Information Theory
Spectrum sharing between wireless networks
IEEE/ACM Transactions on Networking (TON)
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Simultaneous Water Filling in Mutually Interfering Systems
IEEE Transactions on Wireless Communications
The Water-Filling Game in Fading Multiple-Access Channels
IEEE Transactions on Information Theory
Gaussian Interference Channel Capacity to Within One Bit
IEEE Transactions on Information Theory
COGNITIVE RADIOS FOR DYNAMIC SPECTRUM ACCESS - Dynamic Spectrum Sharing: A Game Theoretical Overview
IEEE Communications Magazine
IEEE Communications Magazine
Distributed multiuser power control for digital subscriber lines
IEEE Journal on Selected Areas in Communications
Dynamic spectrum access in open spectrum wireless networks
IEEE Journal on Selected Areas in Communications
Spectrum sharing for unlicensed bands
IEEE Journal on Selected Areas in Communications
Multi-Stage Pricing Game for Collusion-Resistant Dynamic Spectrum Allocation
IEEE Journal on Selected Areas in Communications
IEEE Journal on Selected Areas in Communications
Competition Versus Cooperation on the MISO Interference Channel
IEEE Journal on Selected Areas in Communications
Cooperative Game Theory and the Gaussian Interference Channel
IEEE Journal on Selected Areas in Communications
Competitive Design of Multiuser MIMO Systems Based on Game Theory: A Unified View
IEEE Journal on Selected Areas in Communications
A hierarchical game approach to inter-operator spectrum sharing
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Simulation models for the performance evaluation of spectrum sharing techniques in OFDMA networks
Proceedings of the 14th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems
A performance evaluation tool for spectrum sharing in multi-operator LTE networks
Computer Communications
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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 the Nash 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.