199 search results - page 23 / 40 » Multiple antenna spectrum sensing in cognitive radios |
JDCTA
2010
14 years 6 months ago
2010
With the intent of efficient occupying under-utilized spectrum, radio environment map (REM) based cognitive radio (CR) networking is proposed to facilitate the distributed spectru...
109
click to vote
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
Successful spectrum sharing in a cognitive radio network depends on the correct and quick detection of primary activity. Cooperative spectrum sensing is therefore suggested to enh...
GLOBECOM
2009
IEEE
15 years 6 months ago
2009
IEEE
—In this paper, we model and analyze the interactions between secondary users in a spectrum overlay cognitive system as a cognitive MAC game. In this game, each secondary user ca...
137
click to vote
INFOCOM
2012
IEEE
13 years 2 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...
116
click to vote
WCNC
2008
IEEE
15 years 6 months ago
2008
IEEE
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...