156 search results - page 31 / 32 » Opportunistic Spectrum Access for Energy-Constrained Cogniti... |
GLOBECOM
2010
IEEE
13 years 1 months ago
2010
IEEE
Abstract--Wireless networks, especially mobile ad hoc networks (MANET) and cognitive radio networks (CRN), are facing two new challenges beyond traditional random network model: op...
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...
VTC
2006
IEEE
13 years 10 months ago
2006
IEEE
— The European IST research projects WINNER and WINNER II aim at developing a single new ubiquitous radio access system concept that can be adapted for use in a wide variety of m...
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...
MOBICOM
2009
ACM
13 years 11 months ago
2009
ACM
There has been burgeoning interest in wireless technologies that can use wider frequency spectrum. Technology advances, such as 802.11n and ultra-wideband (UWB), are pushing towar...