134 search results - page 3 / 27 » GLRT-Based Spectrum Sensing for Cognitive Radio |
CISS
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— In cognitive radio systems, secondary users can be coordinated to perform cooperative spectrum sensing so as to detect the primary user more accurately. However, when the sensi...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
Vast segments of the frequency spectrum are licensed to specific users for particular applications. These legacy users, however, often under-utilize their designated spectrum seg...
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract--Cognitive radio networks require fast and reliable spectrum sensing to achieve high network utilization by secondary users. Current optimization approaches to spectrum se...
CORR
2010
Springer
13 years 8 days ago
2010
Springer
This paper considers cooperative spectrum sensing in Cognitive Radios. In our previous work we have developed DualSPRT, a distributed algorithm for cooperative spectrum sensing usi...