146 search results - page 23 / 30 » Spectrum based fraud detection in social networks |
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
In Cognitive Radio scenarios channelization information from primary network may be available to the spectral monitor. Under this assumption we propose a spectral estimation algor...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Abstract—This paper considers cooperative sensing in cognitive networks under Spectrum Sensing Data Falsification attack (SSDF) in which malicious users can intentionally send f...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
DFN
2003
13 years 9 months ago
2003
In recent years research activities in computer network security focus more actively on the development of effective methods in intrusion detection. The reason for this developmen...
ASUNAM
2010
IEEE
13 years 6 months ago
2010
IEEE
—The discovery of evolving communities in dynamic networks is an important research topic that poses challenging tasks. Previous evolutionary based clustering methods try to maxi...