Cognospectrum: spectrum adaptation and evolution in cognitive ultra-wideband radio
Cognospectrum: spectrum adaptation and evolution in cognitive ultra-wideband radio
复制标题
DOI：
10.1109/icu.2005.1570076
复制
发表时间：
2005-09
期刊：
影响因子：
--
通讯作者：
Xiaofei Zhou;K. Y. Yazdandoost;Honggang Zhang;I. Chlamtac
中科院分区：
文献类型：
--
作者：
Xiaofei Zhou;K. Y. Yazdandoost;Honggang Zhang;I. Chlamtac
认知超宽带（UWB）无线电的提出是为了利用认知无线电与超宽带技术相结合的优势。为了实现认知 UWB 无线电，已经研究了多种脉冲波形自适应，以产生预期的频谱陷波，同时与 FCC 频谱模板和其他频率调节要求相匹配。为了验证UWB天线对认知UWB无线电的脉冲失真效果，生成的脉冲波形进一步通过实际的UWB天线传输。此外，在天线发射之前考虑预均衡方案，以补偿脉冲失真效应。
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.