79 search results - page 4 / 16 » An Efficient Algorithm for Cooperative Spectrum Sensing in C... |
TSP
2010
13 years 2 months ago
2010
Effective spectrum sensing is a critical prerequisite for multi-channel cognitive radio (CR) networks, where multiple spectrum bands are sensed to identify transmission opportuniti...
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
GLOBECOM
2007
IEEE
14 years 1 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 ...
CISS
2010
IEEE
12 years 11 months ago
2010
IEEE
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
GLOBECOM
2010
IEEE
13 years 4 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...