82 search results - page 14 / 17 » Cluster-Based Cooperative Spectrum Sensing in Cognitive Radi... |
CORR
2010
Springer
13 years 7 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...
VTC
2010
IEEE
13 years 6 months ago
2010
IEEE
Cognitive radios are devices capable of sensing a large range of frequencies in order to detect the presence of primary networks and reuse their bands when they are not occupied. D...
INFOCOM
2009
IEEE
14 years 3 months ago
2009
IEEE
—Dynamic spectrum access has been proposed as a means to share scarce radio resources, and requires devices to follow protocols that use resources in a proper, disciplined manner...
MOBICOM
2009
ACM
14 years 3 months ago
2009
ACM
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
ICASSP
2011
IEEE
13 years 8 days ago
2011
IEEE
—The main focus of this paper is to present a performance limitation of collaborative spectrum sensing in cognitive radios with imperfect reporting channels. We consider hard dec...