169 search results - page 2 / 34 » Opportunistic spectrum access for mobile cognitive radios |
JCM
2006
13 years 4 months ago
2006
Spectrum regulation will undergo elementary changes in the near future allowing a less restricted and more flexible access to radio spectrum. Intelligent radios, socalled cognitive...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
EJWCN
2010
12 years 11 months 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...
JSAC
2011
12 years 11 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...