4 search results - page 1 / 1 » Sensitivity of Spectrum Sensing Techniques to RF Impairments |
VTC
2010
IEEE
13 years 2 months ago
2010
IEEE
Cognitive radios are devices capable of sensing a large range of frequencies in order to detect the presence of primary networks and reuse their bands when they are not occupied. D...
VTC
2007
IEEE
13 years 10 months ago
2007
IEEE
—TURBO principle has been exploited gainfully to implement many receiver functions. RF front-end impairments are a serious issue in high spectral efficient applications. IQ imba...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
Multi-input multi-output (MIMO) systems are often realized with low cost front-end architectures, e.g. the so called direct conversion architectures. However, such systems are ver...
ISCAS
2007
IEEE
13 years 10 months ago
2007
IEEE
Abstract— OFDM systems are susceptible to receiver impairments such as IQ imbalance and phase noise. These impairments can severely degrade the achievable effective signalto-nois...