190 search results - page 11 / 38 » Cooperative Spectrum Sensing and Detection for Cognitive Rad... |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In cognitive radio (CR) networks, multi-CR cooperation typically takes place during spectrum sensing, to cope with wireless fading effects and the hidden terminal problem. The use...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilisation by letting each user sense and utilise available s...
IWCMC
2010
ACM
13 years 9 months ago
2010
ACM
To network cognitive radios that require spectrum sensing to identify transmission opportunities emerges as a critical technology to facilitate spectrum efficient wireless communi...
PERCOM
2009
ACM
14 years 2 months ago
2009
ACM
—The primary function of a cognitive radio is to detect idle frequencies or sub-bands, not used by the primary users (PUs), and allocate these frequencies to secondary users. The...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...