75 search results - page 7 / 15 » A Cognitive Transmission Scheme with the Best Relay Selectio... |
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—Cognitive Radio Networks aim at enhancing spectrum utilization by allowing cognitive devices to opportunistically access vast portions of the spectrum. To reach such amb...
WCNC
2010
IEEE
13 years 6 months ago
2010
IEEE
—In this paper, we present an interference model for cognitive radio (CR) networks employing power control or contention control scheme. The probability density functions (PDFs) ...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Spectrum management has been identified as a crucial step towards enabling the technology of the cognitive radio network (CRN). Most of the current works dealing with spectrum ma...
GLOBECOM
2008
IEEE
13 years 8 months ago
2008
IEEE
Abstract—We present a novel routing approach for multichannel cognitive radio networks (CRNs). Our approach is based on probabilistically estimating the available capacity of eve...