20 search results - page 3 / 4 » Cooperative Distributed Sequential Spectrum Sensing |
TCOM
2010
13 years 3 months ago
2010
—Cooperative spectrum sensing has been shown to be able to greatly improve the sensing performance in cognitive radio networks. However, if cognitive users belong to different se...
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...
ICNP
2009
IEEE
13 years 12 months ago
2009
IEEE
—Accurate sensing of the spectrum condition is of crucial importance to the mitigation of the spectrum scarcity problem in dynamic spectrum access (DSA) networks. Specifically, ...
TSP
2010
12 years 12 months ago
2010
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
INFOCOM
2009
IEEE
13 years 12 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...