Optimal stochastic dual resource allocation for cognitive radios based on quantized CSI

dc.contributor.authorGarcia Marques, Antonio
dc.contributor.authorWang, Xin
dc.contributor.authorGiannakis, Georgios B.
dc.date.accessioned2009-06-22T10:11:32Z
dc.date.available2009-06-22T10:11:32Z
dc.date.issued2008-04-01T10:11:32Z
dc.description.abstractThe present paper deals with dynamic resource management based on quantized channel state information(CSI)for multicarrier cognitive radio networks comprising primary and secondary wireless users. For each subcarrier, users rely on adaptive modulation, coding and power modes that they select in accordance with the limited-rate feedback they receive from the access point. The access point uses CSI to maximize the sum of generic concave utilities of the individual average rates in the network while respecting rate and power constraints on the primary and secondary users. Using a stochastic dual approach, optimum dual prices are found to optimally allocate resources across users per channel realization without requiring knowledge of the channel distribution.es
dc.description.departamentoTeoría de la Señal y Comunicaciones
dc.identifier.issn4244-1484
dc.identifier.urihttp://hdl.handle.net/10115/2235
dc.language.isoenes
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.subjectTelecomunicacioneses
dc.subject.unesco3325 Tecnología de las Telecomunicacioneses
dc.titleOptimal stochastic dual resource allocation for cognitive radios based on quantized CSIes
dc.typeinfo:eu-repo/semantics/conferenceObjectes

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