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Enabling Technologies for Next-Generation Sensor Networks:: Prospects, Issues, Solutions, and Emerging Trends
College of Computer and Information Sciences, Almuzahmiyah, King Saud University, King Saud University, Riyadh.
Polytechnic Institute of Porto.
Hasselt University.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0003-1902-9877
2015 (English)In: International Journal of Distributed Sensor Networks, ISSN 1550-1329, E-ISSN 1550-1477, Vol. 2015, article id 634268Article in journal, Editorial material (Refereed) Published
Abstract [en]

This paper firstly investigates the problem of uplink power control in cognitive radio networks (CRNs) with multiple primary users (PUs) and multiple second users (SUs) considering channel outage constraints and interference power constraints, where PUs and SUs compete with each other to maximize their utilities. We formulate a Stackelberg game to model this hierarchical competition, where PUs and SUs are considered to be leaders and followers, respectively. We theoretically prove the existence and uniqueness of robust Stackelberg equilibrium for the noncooperative approach. Then, we apply the Lagrange dual decomposition method to solve this problem, and an efficient iterative algorithm is proposed to search the Stackelberg equilibrium. Simulation results show that the proposed algorithm improves the performance compared with those proportionate game schemes.

Place, publisher, year, edition, pages
2015. Vol. 2015, article id 634268
National Category
Media and Communication Technology
Research subject
Mobile and Pervasive Computing
Identifiers
URN: urn:nbn:se:ltu:diva-10483DOI: 10.1155/2015/634268ISI: 000365920200001Scopus ID: 2-s2.0-84949294733Local ID: 94cecd9c-4b64-4ada-8541-c0a81df67d3fOAI: oai:DiVA.org:ltu-10483DiVA, id: diva2:983428
Note
Godkänd; 2016; 20151218 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Vasilakos, Athanasios

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