25 search results - page 4 / 5 » Optimal Control of Constrained Cognitive Radio Networks with... |
JSAC
2011
13 years 1 months ago
2011
—Various spectrum management schemes have been proposed in recent years to improve the spectrum utilization in cognitive radio networks. However, few of them have considered the ...
WIOPT
2011
IEEE
12 years 10 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...
JCST
2008
13 years 6 months ago
2008
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
INFOCOM
2010
IEEE
13 years 4 months ago
2010
IEEE
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...
TON
2002
13 years 5 months ago
2002
By extending the system theory under the (min, +) algebra to the time-varying setting, we solve the problem of constrained traffic regulation and develop a calculus for dynamic ser...