230 search results - page 44 / 46 » Spectrum Management in Cognitive Radio Networks |
INFOCOM
2009
IEEE
14 years 2 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...
MOBIHOC
2012
ACM
11 years 10 months ago
2012
ACM
A key feature of wireless communications is the spatial reuse. However, the spatial aspect is not yet well understood for the purpose of designing efficient spectrum sharing mecha...
JSAC
2008
13 years 7 months ago
2008
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 must...
ICWN
2003
13 years 9 months ago
2003
— Most wireless systems receive a license that gives them exclusive access to a block of spectrum. Exclusivity guarantees adequate quality of service, but it also leads to inefï¬...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— In this paper a new protocol for IP mobility management is described, which follows a network-based approach and fulfils the requirements of optimized usage of radio spectrum a...