77 search results - page 4 / 16 » Optimal multi-channel cooperative sensing in cognitive radio... |
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— In cognitive radio networks, the secondary network (users) are allowed to utilize the frequency bands of primary network (users) when they are not currently being used. To supp...
INFOCOM
2009
IEEE
14 years 3 months ago
2009
IEEE
— Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent tra...
GLOBECOM
2009
IEEE
14 years 3 months ago
2009
IEEE
Abstract— Two driving goals for cognitive radio (CR) technique are maximizing spectrum utilization and avoiding interference to primary users. In this paper, we deal with the CR ...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— Cooperation is increasingly regarded as a key technology for tackling the challenges of a practical implementation of cognitive radio. In this paper, we first give a b...
CISS
2008
IEEE
14 years 3 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...