1196 search results - page 13 / 240 » Performance Measures of Dynamic Spectrum Access Networks |
CORR
2011
Springer
14 years 4 months ago
2011
Springer
—We propose a dynamic spectrum access scheme where secondary users recommend “good” channels to each other and access accordingly. We formulate the problem as an average rewa...
CDC
2008
IEEE
15 years 3 months ago
2008
IEEE
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—We propose to use multiscale entropy analysis in characterisation of network traffic and spectrum usage. We show that with such analysis one can quantify complexity and predict...
ICC
2008
IEEE
15 years 3 months ago
2008
IEEE
—Dynamic spectrum access (DSA) is a promising approach for mitigating spectrum scarcity. Underlying DSA is the need for fast and reliable spectrum sensing over a potentially larg...