49 search results - page 2 / 10 » A Two-Tier Market for Decentralized Dynamic Spectrum Access ... |
JSAC
2011
12 years 7 months ago
2011
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...
GLOBECOM
2007
IEEE
13 years 6 months 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...
MONET
2006
13 years 4 months ago
2006
The radio frequency spectrum is a naturally limited resource of extraordinary value, as the key to the provision of important communication and information services. Traditionally,...
TCOM
2010
13 years 3 months ago
2010
Abstract—This paper considers an uplink time division multiple access (TDMA) cognitive radio network where multiple cognitive radios (secondary users) attempt to access a spect...
CCECE
2009
IEEE
13 years 8 months ago
2009
IEEE