Cognospectrum: Spectrum adaptation and evolution in cognitive ultra-wideband radio

被引：15
|
作者：
Zhou, XF [1 ]
Yazdandoost, KY [1 ]
Zhang, HG [1 ]
Chlamtac, I [1 ]
机构：
[1] CREATE NET, I-38100 Trento, Italy
来源：
2005 IEEE INTERNATIONAL CONFERENCE ON ULTRA-WIDEBAND (ICU) | 2005年
关键词：
cognospectrum; Cognitive Radio; Ultra Wideband; UWB; pulse waveform; pulse shaping; UWB antenna; spectrum adaptation; spectrum notch; spectrum evolution; pre-equalization; equalization;
D O I：
10.1109/ICU.2005.1570076
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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, nuiltiple 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.
引用
收藏
页码：713 / 718
页数：6
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