35 search results - page 3 / 7 » The Impact of Fading on the Outage Probability in Cognitive ... |
ICUIMC
2011
ACM
12 years 11 months ago
2011
ACM
Efficient and fair resource allocation associated with congestion control in multi-hop cognitive radio networks (CRN) is a challenging problem. In this paper, we consider their mu...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
—Physical Carrier Sensing plays a crucial role in the effectiveness of CSMA-based MAC protocols, yet its properties and impact on the system performance under slow fading channel...
TWC
2011
13 years 2 months ago
2011
In cognitive radio networks, each cognitive transmission process typically requires two phases: the spectrum sensing phase and data transmission phase. In this paper, we investiga...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
This paper develops a cooperative scheme among cognitive radios (CRs) to increase the spectrum sensing performance. CRs adaptively transmit local binary decisions to a fusion cente...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
—We study a cognitive network consisting of multiple cognitive users communicating in the presence of a single primary user. The primary user is located at the center of the netw...