14 search results - page 3 / 3 » Stability analysis for cognitive radio with multi-access pri... |
ICC
2009
IEEE
13 years 11 months ago
2009
IEEE
— Spectrum handoff occurs when the primary users appear in the licensed band occupied by the secondary users. Spectrum handoff procedures aim to help the secondary users to vacat...
JSAC
2008
13 years 4 months ago
2008
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
WIOPT
2011
IEEE
12 years 8 months ago
2011
IEEE
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...