Analysis of Cognitive Radio Architecture
Zhou Liang-chen · Telecommunication Engineering · 2010
Three kinds of cognitive radio(CR) networks with infrastructure,Ad Hoc and Mesh architecture are firstly given,followed by the description of the characteristic of their nodes and links. Secondly the composition of CR terminal is analysed with emphasis on cognitive engine (CE). The CE includes several modules of environment sensor,solution and optimization maker,knowledge base,knowledge evolver and interface. The functions and definitions of the modules and the cognitive cycle are subsequently discussed. Finally,the key techniques of spectrum sensing,spectrum allocation and power control are presented.