117 search results - page 6 / 24 » Quality-of-Service in Cognitive Radio Networks with Collabor... |
IWCMC
2010
ACM
14 years 24 days ago
2010
ACM
To network cognitive radios that require spectrum sensing to identify transmission opportunities emerges as a critical technology to facilitate spectrum efficient wireless communi...
JDCTA
2010
13 years 5 months ago
2010
With the intent of efficient occupying under-utilized spectrum, radio environment map (REM) based cognitive radio (CR) networking is proposed to facilitate the distributed spectru...
TSP
2012
12 years 6 months ago
2012
—In a cognitive radio network, opportunistic spectrum access (OSA) to the underutilized spectrum involves not only sensing the spectrum occupancy but also probing the channel qua...
ICUMT
2009
13 years 8 months ago
2009
Abstract-- We consider the problem of Spectrum Sensing in Cognitive Radio Networks. In our previous work we have developed DualCUSUM, a distributed algorithm for change detection a...
GLOBECOM
2009
IEEE
14 years 5 months ago
2009
IEEE
Abstract— Quickest detection is applied in the spectrum sensing of cognitive radio systems when multiple secondary users collaborate with limited communication time slots. When t...