Spectrum Challenges and Solutions by Cognitive Radio: An Overview. - K. Sridhara; Ashok Chandra; Purnendu S. M. Tripathi (Wirel. Pers. Commun., 2008)

Enhanced Spectrum Utilization for Existing Cellular Technologies Based on Genetic Algorithm in Preview of Cognitive Radio. - K. Sridhara; Aritra Nayak; Vikas Singh; P. K. Dalela (Int. J. Commun. Netw. Syst. Sci., 2009)