Maximizing secondary-user satisfaction in large-scale DSA systems through distributed team cooperation

We develop resource and service management techniques to support secondary users (\su s) with QoS requirements in large-scale distributed dynamic spectrum access (\osa) systems. The proposed techniques empower \su s to seek and exploit spectrum opportunities dynamically and effectively, thereby maximizing the \su s' long-term received service satisfaction levels. Our techniques are efficient in terms of optimality, scalability, distributivity, and fairness. First, they enable \su s to achieve high service satisfaction levels by quickly locating and accessing available spectrum opportunities. Second, they are scalable by performing well in systems with small as well as large numbers of \su s. Third, they can be implemented in a decentralized manner by relying on local information only. Finally, they ensure fairness among \su s by allowing them to receive equal amounts of service. 2002-2012 IEEE.Manuscript received October 8, 2011; revised January 28 and April 22, 2012; accepted June 10, 2012. The associate editor coordinating the review of this paper and approving it for publication was P. Wang. This work was supported by NSF under NSF CAREER award CNS-0846044. M. NoroozOliaee and B. Hamdaoui are with the School of EECS, Oregon State University (e-mail: {noroozom, hamdaoui}@eecs.orst.edu). M. Guizani is with Qatar University (e-mail: [email protected]). Digital Object Identifier 10.1109/TWC.2012.080212.101834Scopus2-s2.0-8486789457