131 search results - page 9 / 27 » Optimal Sensing-Transmission Structure for Dynamic Spectrum ... |
INFOCOM
2010
IEEE
13 years 6 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...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
—We consider opportunistic communications over multiple channels where the state (“good” or “bad”) of each channel evolves as independent and identically distributed Mark...
WIOPT
2011
IEEE
12 years 11 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...
SIGCOMM
2005
ACM
14 years 1 months ago
2005
ACM
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practica...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
We consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elli...