SIPS
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper describes the sub-Nyquist rate digital-to-analog conversion technique for a direct waveform synthesis (DWS) transmitter. IEEE 802.22 TV band Cognitive Radio (CR) transm...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter m...
IMC
2009
ACM
13 years 11 months ago
2009
ACM
WLANs have become an important last-mile technology for providing internet access within homes and enterprises. In such indoor deployments, the wireless channel suffers from signi...