Media type: E-Article Title: On the Utilization of Spectrum Opportunity in Cognitive Radio Networks Contributor: Ozger, Mustafa; Akan, Ozgur B. imprint: Institute of Electrical and Electronics Engineers (IEEE), 2016 Published in: IEEE Communications Letters Language: Not determined DOI: 10.1109/lcomm.2015.2504103 ISSN: 1089-7798 Origination: Footnote: