56 search results - page 2 / 12 » A Two-Stage Sensing Technique for Dynamic Spectrum Access |
JSAC
2008
13 years 4 months ago
2008
Wireless Mesh Networks (WMNs) are envisaged to extend Internet access and other networking services in personal, local, campus, and metropolitan areas. Mesh routers (MR) form the c...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract—We propose a model-based channel access mechanism for cognitive radio-enabled secondary network, which opportunistically uses the channel of an unslotted primary network...
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...
ICNP
2009
IEEE
13 years 11 months ago
2009
IEEE
—Accurate sensing of the spectrum condition is of crucial importance to the mitigation of the spectrum scarcity problem in dynamic spectrum access (DSA) networks. Specifically, ...
INFOCOM
2009
IEEE
13 years 11 months ago
2009
IEEE
—In cognitive wireless networks where secondary users (SUs) opportunistically access spectral white spaces of primary users (PUs), there exists an inherent tradeoff between sensi...