Software Radio,Cognitive Radio and Ultimate Radio——A Prospect of Wireless Communication
Yang Xiao-niu · Journal of China Academy of Electronics and Information Technology · 2008
Through a review and outlook of three basic structures of software radio(SR) proposed by the author and the fundamental concept of Cognitive Radio(CR),the paper presents a new framework of CR and its corresponding cognitive cycle based on the principle of electronic reconnaissance.Furthermore,faced with the existing problems of CR,the author puts forward a new concept of SR-Ultimate Radio(UR) based on the theory of blind source separation(BSS).The feasibility of realizing UR is also discussed.