122 search results - page 5 / 25 » Cost constrained spectrum sensing in cognitive radio network... |
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Spectrum sensing, which aims at detecting spectrum holes, is the precondition for the implementation of cognitive radio. Collaborative spectrum sensing among the cognitive radio n...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—Distributed spectrum sensing (DSS) enables a Cognitive Radio (CR) network to reliably detect licensed users and avoid causing interference to licensed communications. Th...
TSP
2010
12 years 12 months ago
2010
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
GLOBECOM
2010
IEEE
13 years 2 months ago
2010
IEEE
This paper develops a cooperative scheme among cognitive radios (CRs) to increase the spectrum sensing performance. CRs adaptively transmit local binary decisions to a fusion cente...