18 search results - page 4 / 4 » DVB Detector for Cognitive Radio |
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
Spectrum sensing is a challenging key component of the Cognitive Radio paradigm, since primary signals must be detected in the face of noise uncertainty and at signal-to-noise rat...
ICASSP
2010
IEEE
13 years 6 months ago
2010
IEEE
One of the key problems in cognitive radio (CR) is the detection of primary activity in order to determine which parts of the spectrum are available for opportunistic access. This...
GLOBECOM
2008
IEEE
14 years 6 days ago
2008
IEEE
— Accurate detection of spectrum opportunities within the frequency band of an orthogonal frequency division multiple access (OFDMA) system is a critical requirement for the real...