112 search results - page 5 / 23 » Adaptive Bandwidth Allocation Scheme for Cognitive Radios |
BROADNETS
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract—To reap the benefits of advances in wireless technologies as well as provide backward compatibility with current investments, future wireless routers that constitute th...
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MOBICOM
2009
ACM
15 years 3 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
ITIIS
2010
14 years 7 months ago
2010
Cognitive Radio is an advanced enabling technology for the efficient utilization of vacant spectrum due to its ability to sense the spectrum environment. It is important to determ...
VTC
2006
IEEE
15 years 3 months ago
2006
IEEE
— In this paper, we evaluate a cognitive radio transceiver employing both non-contiguous multicarrier modulation (NC-MCM) and adaptive bit allocation. Although NCMCM and bit allo...
ICASSP
2008
IEEE
15 years 3 months ago
2008
IEEE
The present paper deals with dynamic resource management based on quantized channel state information (CSI) for multi-carrier cognitive radio networks comprising primary and secon...