99 search results - page 17 / 20 » Competitive interference-aware spectrum access in cognitive ... |
WCNC
2008
IEEE
14 years 1 months ago
2008
IEEE
— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...
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...
INFOCOM
2008
IEEE
14 years 1 months ago
2008
IEEE
Cognitive radio (CR) is a revolution in radio technology and is viewed as an enabling technology for dynamic spectrum access. This paper investigates how to design distributed alg...
TSP
2010
13 years 1 months ago
2010
We consider decentralized multiantenna cognitive radio networks where the secondary (cognitive) users are granted simultaneous spectrum access along with the license-holding (prima...