18 search results - page 2 / 4 » Cooperative Spectrum Sensing Using Random Matrix Theory |
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...
ICC
2009
IEEE
13 years 11 months ago
2009
IEEE
—Several measurement studies have found a large amount of underutilized radio spectrum. More flexible regulation employing dynamic spectrum access (DSA) has been proposed as sol...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
We propose a “compressive” estimator of the Wigner-Ville spectrum (WVS) for time-frequency sparse, underspread, nonstationary random processes. A novel WVS estimator involving...
PE
2008
Springer
13 years 4 months ago
2008
Springer
This paper investigates the situation where a group of terminals can be simultaneously connected to several base stations using distinct technologies on nonoverlapping frequency b...
TIT
2011
12 years 11 months ago
2011
—This paper introduces a new method to blindly estimate the transmit power of multiple signal sources in multiantenna fading channels, when the number of sensing devices and the ...