Cognitive Radios for Spectrum Sharing

被引:17
|
作者
Sahai, Anant [1 ]
Mishra, Shridhar Mubaraq [1 ]
Tandra, Rahul [1 ]
Woyach, Kristen Ann [1 ]
机构
[1] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA
基金
美国国家科学基金会;
关键词
Cognitive radio; Fading; Interference; Sensors; Signal to noise ratio; TV; Uncertainty;
D O I
10.1109/MSP.2008.930435
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
The Federal Communications Commission recently considered dynamic approaches for spectrum sharing while the IEEE has launched the 802.22 standards process to use TV-band spectrum holes for enabling wide-area Internet service. The scheme works by allowing access to otherwise empty TV signals, where a single cognitive radio take a channel measurement and use the channel only if it is sufficiently empty.
引用
收藏
页码:140 / 145
页数:6
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