2007 search results - page 2 / 402 » SPECTRUM |
EJWCN
2010
13 years 5 days ago
2010
The spectrum scarcity problem emerged in recent years, due to unbalanced utilization of RF (radio frequency) bands in the current state of wireless spectrum allocations. Spectrum a...
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
The concept of dynamic spectrum access (DSA) enables the licensed spectrum to be traded in an open market where the unlicensed users can freely buy and use the available licensed s...
WCNC
2008
IEEE
13 years 11 months ago
2008
IEEE
— We consider a cognitive wireless relay system that operates on secondary spectrum sharing basis using spectrum pooling. A spectrum pool comprises of a set of available narrowba...
JSAC
2008
13 years 5 months ago
2008
Dynamic spectrum access is a promising technique to use spectrum efficiently. Without being restricted to any prefixed spectrum bands, nodes choose operating spectrum ondemand. Suc...
INFOCOM
2011
IEEE
12 years 8 months ago
2011
IEEE
Abstract—With the growing deployment of wireless communication technologies, radio spectrum is becoming a scarce resource. Thus mechanisms to efficiently allocate the available ...