25 search results - page 3 / 5 » Cooperative Sequential Spectrum Sensing Algorithms for OFDM |
ICC
2008
IEEE
13 years 11 months ago
2008
IEEE
—To improve the performance of spectrum sensing, cooperation among Cognitive Radios (CRs) has been proposed recently as an effective solution. Most existing works require either ...
MOBICOM
2009
ACM
13 years 11 months ago
2009
ACM
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
TCOM
2010
13 years 3 months ago
2010
—Cooperative spectrum sensing has been shown to be able to greatly improve the sensing performance in cognitive radio networks. However, if cognitive users belong to different se...
WCNC
2010
IEEE
13 years 9 months ago
2010
IEEE
Abstract—In this paper two different cognitive radio architectures, i.e. stand-alone and distributed, are proposed for spectrum sensing purposes. In particular, both architecture...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Abstract--Collaborative Spectrum Sensing (CSS) between secondary users (SUs) in cognitive networks exhibits an inherent tradeoff between minimizing the probability of missing the d...