134 search results - page 18 / 27 » Cooperative Adaptive Spectrum Sharing in Cognitive Radio Net... |
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
WCNC
2010
IEEE
13 years 5 months ago
2010
IEEE
— Previous works studied the effect of many system parameters on spectrum sharing opportunities where secondary users access the spectrum of primary users. However, a parameter t...
TON
2012
11 years 10 months ago
2012
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
WICON
2008
13 years 9 months ago
2008
We consider the problem of efficient opportunistic spectrum access in cognitive radio networks where there are multiple secondary users trying to share access to multiple channels...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...