117 search results - page 11 / 24 » Quality-of-Service in Cognitive Radio Networks with Collabor... |
GLOBECOM
2007
IEEE
14 years 17 days ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...
CORR
2008
Springer
13 years 11 months ago
2008
Springer
WCNC
2010
IEEE
13 years 9 months ago
2010
IEEE
—In this paper, we present an interference model for cognitive radio (CR) networks employing power control or contention control scheme. The probability density functions (PDFs) ...
CORR
2010
Springer
13 years 9 months ago
2010
Springer
Nowadays, It has been shown that spectrum scarcity increased due to tremendous growth of new players in wireless base system by the evolution of the radio communication. Resent su...
JSAC
2011
13 years 5 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...