Title :
Cognospectrum: spectrum adaptation and evolution in cognitive ultra-wideband radio
Author :
Zhou, Xiaofei ; Yazdandoost, Kamya Y. ; Zhang, Honggang ; Chlamtac, Imrich
Author_Institution :
CREATE-NET, Trento, Italy
Abstract :
Cognitive ultra wideband (UWB) radio is proposed to exploit the advantages of combining cognitive radio with ultra wideband technologies. In order to realize cognitive UWB radio, multiple pulse waveform adaptations have been investigated for producing the expected spectral notches while matching with FCC spectral mask and other frequency regulation requirements. To verify the pulse distortion effect of UWB antenna on cognitive UWB radio, the generated pulse waveform is further transferred through an actual UWB antenna. Furthermore, pre-equalization scheme is considered before antenna transmission, so as to compensate the pulse distortion effects.
Keywords :
equalisers; frequency allocation; spread spectrum communication; ultra wideband antennas; ultra wideband communication; FCC spectral mask; UWB antenna; antenna transmission; cognitive ultra-wideband radio; cognospectrum; frequency regulation requirements; multiple pulse waveform adaptations; preequalization scheme; spectrum adaptation; Bandwidth; Cognitive radio; FCC; Frequency; Interference; Narrowband; Pulse shaping methods; Ultra wideband antennas; Ultra wideband technology; Wireless communication; Cognitive Radio; Cognospectrum; UWB; UWB antenna; Ultra Wideband; equalization; pre-equalization; pulse shaping; pulse waveform; spectrum adaptation; spectrum evolution; spectrum notch;
Conference_Titel :
Ultra-Wideband, 2005. ICU 2005. 2005 IEEE International Conference on
Print_ISBN :
0-7803-9397-X
DOI :
10.1109/ICU.2005.1570076
