168 search results - page 4 / 34 » Robust Distributed Spectrum Sensing in Cognitive Radio Netwo... |
TWC
2008
13 years 5 months ago
2008
Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of spectrum sensing is to provide more spectrum access opportunities to cognitive r...
MOBIHOC
2007
ACM
14 years 5 months ago
2007
ACM
A number of studies have shown the abundance of unused spectrum in the TV bands. This is in stark contrast to the overcrowding of wireless devices in the ISM bands. A recent trend...
WCNC
2008
IEEE
14 years 4 days ago
2008
IEEE
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
TSP
2011
13 years 21 days ago
2011
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...
TWC
2011
13 years 21 days ago
2011
In cognitive radio networks, each cognitive transmission process typically requires two phases: the spectrum sensing phase and data transmission phase. In this paper, we investiga...