35 search results - page 2 / 7 » Vandermonde Frequency Division Multiplexing for Cognitive Ra... |
DSD
2011
IEEE
12 years 4 months ago
2011
IEEE
—With the opening up of white spaces, efficient use of the fragmented spectrum - TV white space in particular - has become an extremely important focus of research. Apart from ef...
DSD
2010
IEEE
13 years 2 months ago
2010
IEEE
Orthogonal Frequency Division Multiplexing (OFDM) can provide a flexible usage of the spectrum by controlling individual subcarriers. Sets of subcarriers can be zero-modulated to a...
INFOCOM
2012
IEEE
11 years 7 months ago
2012
IEEE
—Recent advances in cognitive radio (CR) technology have brought about a number of wireless standards that support opportunistic access to available white-space spectrum. Address...
ICC
2007
IEEE
13 years 8 months ago
2007
IEEE
Abstract--Cognitive radio (CR) technology is an innovative radio design philosophy which aims to increase spectrum utilization by exploiting unused spectrum in dynamically changing...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— Multi-carrier modulations (MCM) and especially orthogonal schemes such as orthogonal frequency division multiplexing (OFDM) are currently used in many radio transmission standa...