253 search results - page 21 / 51 » Cognitive radio techniques for wide area networks |
SIPS
2008
IEEE
14 years 1 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...
ICIP
2005
IEEE
14 years 1 months ago
2005
IEEE
Wireless video streaming is an area of extensive research due to the error-prone nature of the radio channel with variations in throughput and delay. In mobile networks, handovers...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...
IWANN
2009
Springer
14 years 1 months ago
2009
Springer
Biomedical ontologies provide a commonly accepted scheme for the characterization of biological concepts that enable knowledge sharing and integration. Updating and maintaining an ...
APCCM
2006
13 years 8 months ago
2006
Network Data Mining identifies emergent networks between myriads of individual data items and utilises special algorithms that aid visualisation of `emergent' patterns and tre...