4 search results - page 1 / 1 » Sensitivity of Spectrum Sensing Techniques to RF Impairments |
VTC
2010
IEEE
13 years 7 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
14 years 3 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
14 years 4 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
14 years 3 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...