A 50Mhz-To-1.5Ghz Cross-Correlation CMOS Spectrum Analyzer for Cognitive Radio with 89dB SFDR in 1Mhz RBW

A 50Mhz-To-1.5Ghz Cross-Correlation CMOS Spectrum Analyzer for Cognitive Radio with 89dB SFDR in 1Mhz RBW

Spectrum sensing for cognitive radio requires a high linearity to handle strong signals, and at the same time a low noise figure (NF) to enable detection of much weaker signals. Often there is a trade-off between linearity and noise: improving one of them degrades the other. Cross-correlation can br...

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Bibliographische Detailangaben
Hauptverfasser: Oude Alink, Mark S., Klumperink, Eric A. M., Soer, Michiel C. M., Kokkeler, Andre B. J., Nauta, Bram
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Cognitive radio
Costs
Degradation
Linearity
Noise figure
Noise measurement
Noise reduction
Radio frequency
Spectral analysis
Time measurement
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Zusammenfassung:Spectrum sensing for cognitive radio requires a high linearity to handle strong signals, and at the same time a low noise figure (NF) to enable detection of much weaker signals. Often there is a trade-off between linearity and noise: improving one of them degrades the other. Cross-correlation can break this trade-off by reducing noise at the cost of measurement time. An existing RF front-end in CMOS-technology with IIP3=+11dBm and NF
DOI:10.1109/DYSPAN.2010.5457887