332 search results - page 39 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
87
Voted
JSAC
2011
14 years 4 months ago
2011
—Various spectrum management schemes have been proposed in recent years to improve the spectrum utilization in cognitive radio networks. However, few of them have considered the ...
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—Cooperative spectrum sensing is attracting more attention in Cognitive Radio networks. This paper proposes a fully distributed consensus-based cooperative spectrum sensing schem...
80
Voted
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—In this paper, we propose several spectrum sensing methods designed using the generalized likelihood ratio test (GLRT) paradigm, for application in a cognitive radio network. Th...
DSD
2010
IEEE
14 years 7 months ago
2010
IEEE
Orthogonal Frequency Division Multiplexing (OFDM) can provide a flexible usage of the spectrum by controlling individual subcarriers. Sets of subcarriers can be zero-modulated to a...
65
Voted
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
With the employment of cognitive radio technology, dynamic spectrum management has the potential to solve the underused spectrum problem. In this paper, we introduce and compare tw...