Enhanced Dynamic Spectrum Access in Multiband Cognitive Radio Networks via Optimized Resource Allocation. - Piyush Bhardwaj; Ankita Panwar; Onur Ozdemir; Engin Masazade; Irina Kasperovich; Andrew L. Drozd; Chilukuri K. Mohan; Pramod K. Varshney (IEEE Trans. Wirel. Commun., 2016)