57 search results - page 3 / 12 » Collaborative Spectrum Sensing from Sparse Observations in C... |
GLOBECOM
2009
IEEE
13 years 2 months ago
2009
IEEE
Collaborative spectrum sensing in cognitive radio networks has been proposed as an efficient way to improve the performance of primary users detection. In collaborative spectrum se...
CISS
2010
IEEE
12 years 8 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...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Successful spectrum sharing in a cognitive radio network depends on the correct and quick detection of primary activity. Cooperative spectrum sensing is therefore suggested to enh...
JSAC
2011
12 years 12 months ago
2011
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
—We address the problem of collaborative sensing in cognitive radios. In a cognitive radio network, all the nodes may sense the spectrum simultaneously. They should then exchange...