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Ingeniería Electrónica, Automática y Comunicaciones
On-line version ISSN 1815-5928
Abstract
GATO DIAZ, Luis M.; ORTIZ BOUZA, Meiby and TORRES GOMEZ, Jorge. Modeling cooperative communications using game theory: applications for cognitive radios. EAC [online]. 2017, vol.38, n.2, pp.36-48. ISSN 1815-5928.
In this paper, cooperative communications are presented to improve efficiency toward the use of telecommunication systems resources. In the special case of cognitive radio networks, main benefits and costs regarding cooperation are analyzed, as well as security issues that might rise in such a scenario. From a game theory model, the implementation of a coalitional game is described, where cognitive users pursue individual benefits as well as benefits for the coalition they belong. Simulation results confirm the gains achievable by means of cooperative communications, and reveal weakening performance in presence of security threats. This paper may help readers to have a more comprehensive understanding of cooperative communications based on game theory, as well as the main research trends and challenges in this area.
Keywords : Cognitive Radio; Cooperative communications; Game theory.