Suppressing the Effects of Aliasing and IQ Imbalance on Multiband Spectrum Sensing
IEEE Transactions on Vehicular Technology(2017)
Abstract
In cognitive radio networks, secondary users (SUs) can use a frequency band when the primary user (PU) of the band is not transmitting. Spectrum sensing is one of the methods that SUs employ to know if the PU has stopped transmitting. Accurate spectrum sensing boosts the likelihood that an SU detects a spectrum opportunity. However, it will be challenging for affordable receivers to support accura...
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Key words
Sensors,Receivers,Baseband,Mixers,Radio frequency,Cognitive radio,RF signals
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