82 search results - page 12 / 17 » Cluster-Based Cooperative Spectrum Sensing in Cognitive Radi... |
ICASSP
2011
IEEE
13 years 9 days ago
2011
IEEE
In Cognitive Radio (CR) systems, spectrum sensing plays a key role to determine the free frequency bands. However, when the primaryuser (PU) signal spectrum exhibits localized fad...
WCNC
2008
IEEE
14 years 2 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...
GLOBECOM
2009
IEEE
14 years 3 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...
CISS
2008
IEEE
14 years 3 months ago
2008
IEEE
Abstract— According to the cognitive radio paradigm, a terminal or subsystem will opportunistically select a frequency band for data transmission. Because the spectrum is shared,...
IWCMC
2009
ACM
14 years 3 months ago
2009
ACM
This paper presents the application of cognitive algorithm for a stream diffusion in home theatre “5+1 audio” surround applications. We develop a wavelet-based method to effic...