375 search results - page 25 / 75 » Accessible Capacity of Secondary Users |
102
Voted
JSAC
2011
14 years 7 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-...
107
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GLOBECOM
2007
IEEE
15 years 6 months ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
108
Voted
INFOCOM
2009
IEEE
15 years 7 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...
52
Voted
CHI
2009
ACM
16 years 1 months ago
2009
ACM
Prior work has shown that goal crossing may be a more accessible interaction technique than conventional pointing-and-clicking for motor-impaired users. Although goal crossing wit...
105
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INFOCOM
2008
IEEE
15 years 7 months ago
2008
IEEE
—We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter m...