69 search results - page 2 / 14 » Signal Spectrum Sensing Robust to Noise Uncertainty |
JCM
2007
13 years 4 months ago
2007
— Spectrum scarcity is becoming a major issue for service providers interested in either deploying new services or enhancing the capacity for existing applications. On the other ...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Recently several time-domain approaches relying on the generalized likelihood ratio test (GLRT) paradigm have been proposed for multiple antenna spectrum sensing in cognitive radi...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract—Spectral sensing for the presence of ATSC DTV signals in VHF/UHF TV bands under a very low SNR environment is one of the core technologies in IEEE 802.22 WRAN. There are...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—In this paper, we propose several spectrum sensing methods designed using the generalized likelihood ratio test (GLRT) paradigm, for application in a cognitive radio network. Th...
VTC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract— Ultra-wideband (UWB) communications is envisaged to be deployed in indoor environments, where the noise distribution is decidedly non-Gaussian. A critical challenge for...