16 search results - page 1 / 4 » Cognitive Radio: An Information-Theoretic Perspective |
CORR
2006
Springer
13 years 11 months ago
2006
Springer
We consider a communication scenario in which the primary and the cognitive radios wish to communicate to different receivers, subject to mutual interference. In the model that we...
GLOBECOM
2008
IEEE
14 years 5 months ago
2008
IEEE
—Cognitive radio (CR) systems need to be able to adjust the transceiver characteristics in response to stimuli received from the radio environment. Therefore, monitoring the wire...
CORR
2008
Springer
13 years 11 months ago
2008
Springer
A new perspective on cognitive radio is presented for the case where the primary transmission is in uncoded analog form. The basic idea is to exploit signal-to-noise ratio margins ...
INFOCOM
2008
IEEE
14 years 5 months ago
2008
IEEE
—Cognitive radio presents a new approach to wireless spectrum utilization and management. In this work, the potential performance improvement gained by applying cognitive radio t...
JSAC
2007
13 years 11 months ago
2007
Abstract— We investigate the capacity of opportunistic communication in the presence of dynamic and distributed spectral activity, i.e. when the time varying spectral holes sense...