191 search results - page 9 / 39 » Cognition, Sociability, and Constraints |
120
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TWC
2008
14 years 11 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
VTC
2008
IEEE
15 years 6 months ago
2008
IEEE
— We consider a resource allocation problem for spectrum sharing in cognitive radio networks. Specifically, we investigate the joint subchannel, rate and power allocation for se...
AGI
2008
15 years 1 months ago
2008
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112
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WCNC
2010
IEEE
14 years 10 months ago
2010
IEEE
—With the ever increasing interest in multiple-input multiple-output (MIMO) cognitive radio (CR) systems, reducing the costs associated with RF-chains at the radio front end beco...
ALIFE
2004
14 years 11 months ago
2004
This article revisits the concept of autopoiesis and examines its relation to cognition and life. We present a mathematical model of a 3D tesselation automaton, considered as a min...