Cognitive Radio Technology and Its Application
Yang Liu · Modern Electronics Technique · 2011
The wireless users are gradually increased with development of technology and growth of people′s living stan-dards,which reduces the spectrum resources.The cognitive radio technology gives a new idea of the comprehensive utilization of frequency resources for greatly improving the utilization of spectrum resources.The basic concepts of cognitive radio technology is introduced,the usage of key technologies and the current situation of cognitive radio technology are analyzed.