593 search results - page 65 / 119 » Cooperation and Cognitive Radio |
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— This paper proposes a two-layer Joint Radio Resource Management (JRRM) framework to improve the efficiency in multi-radio and multi-operator cellular scenarios. On the one hand...
TWC
2008
14 years 9 months ago
2008
Practical cooperative diversity protocols often rely on low-cost radios that treat multiple in-band signals as noise and thus require strictly orthogonal transmissions. We analyze ...
VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
—A simple cooperative diversity technique is applied to point-to-multipoint communication in wireless medium suffering from Rayleigh block fading. Such a concept is especially in...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
In cognitive networks, since nodes generally belong to different authorities and pursue different goals, they will not cooperate with others unless cooperation can improve their ow...