VTC
2010
IEEE
13 years 10 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...
JCM
2007
14 years 10 days ago
2007
Abstract— This contribution analytically studies the influence of IQ mismatch on the performance of multiple-antenna orthogonal frequency division multiplexing (OFDM) systems ba...
VTC
2007
IEEE
14 years 6 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...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
—New air interfaces are currently being developed to meet the high spectral efficiency requirements of the emerging wireless communication systems. In this context, OFDM is cons...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract— Nowadays a lot of effort is spent on developing OFDMbased inexpensive wireless transceivers. Direct-conversion radio frequency transceivers are appealing because they a...
ICASSP
2008
IEEE
14 years 7 months ago
2008
IEEE
In this paper we propose a generally applicable frequency domain equalization and radio frequency (RF) impairment compensation technique for orthogonal frequency division multiple...
ICASSP
2009
IEEE
14 years 7 months ago
2009
IEEE
One limiting issue in implementing high-speed wireless systems is the impairment associated with analog processing due to component imperfections. In uplink transmission of multiu...