supported by following projects:NSFC (No. 60432040, 60972079);Beijing Natural Science Foundation (No. 4052021);The Research Fund for the Doctoral Program of Higher Education(No.20060013008, 200700130293);UWB-ITRC Inha University, Korea,and iCHIP Project financed by Italian Ministry of Foreign Affairs,And it is partly supported by Project iCHIP financed by Italian Ministry of Foreign Affairs
The integration of cognitive radio and Ultra wideband (UWB) networks has attracted lots of research interests. Cognitive UWB networks not only provide very high data rates but also guarantee the uninterrupted communic...