148 search results - page 3 / 30 » Spectrum Sensing in Wideband OFDM Cognitive Radios |
WCNC
2010
IEEE
13 years 10 months ago
2010
IEEE
Abstract—In this paper two different cognitive radio architectures, i.e. stand-alone and distributed, are proposed for spectrum sensing purposes. In particular, both architecture...
IWCMC
2010
ACM
13 years 8 months ago
2010
ACM
To network cognitive radios that require spectrum sensing to identify transmission opportunities emerges as a critical technology to facilitate spectrum efficient wireless communi...
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...
ICC
2007
IEEE
14 years 10 days ago
2007
IEEE
— Cognitive radio has been recently proposed as a promising technology to improve the spectrum utilization efficiency by intelligently sensing and accessing some vacant bands of...
GLOBECOM
2010
IEEE
13 years 4 months ago
2010
IEEE
The major requirement for Cognitive Radio (CR) based opportunistic spectrum re-usage is reliable protection of the primary communication. This calls for a reliable detection of the...