191 search results - page 19 / 39 » Cognition, Sociability, and Constraints |
110
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PIMRC
2010
IEEE
14 years 9 months ago
2010
IEEE
Abstract--In two-tier networks consisting of a macrocell overlaid with femtocells in co-channel deployment and closed-access policy, spatial reuse is achieved at the price of sever...
JSAC
2011
14 years 6 months ago
2011
This work on cognitive radio access ventures beyond the more traditional “listen-before-talk” paradigm that underlies many cognitive radio access proposals. We exploit the bi-...
127
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JSAC
2011
14 years 6 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
116
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GLOBECOM
2009
IEEE
15 years 6 months ago
2009
IEEE
Abstract—Recent studies have been conducted to indicate the ineffective usage of licensed bands due to the static spectrum allocation. In order to improve the spectrum utilizatio...
ADHOCNETS
2009
Springer
15 years 6 months ago
2009
Springer
A distributed joint routing and spectrum sharing algorithm for video streaming applications over cognitive radio ad hoc networks is proposed in this article. The proposed cross-lay...