593 search results - page 31 / 119 » Cooperation and Cognitive Radio |
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SECON
2010
IEEE
14 years 7 months ago
2010
IEEE
Wireless communications over water may suffer from serious multipath fading due to strong specular reflections from conducting water surfaces. Cognitive radios enable dynamic spect...
ICC
2007
IEEE
15 years 1 months ago
2007
IEEE
As the radio spectrum usage paradigm shifting from the traditional command and control allocation scheme to the open spectrum allocation scheme, wireless mesh networks meet new opp...
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GLOBECOM
2008
IEEE
14 years 10 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...
GLOBECOM
2007
IEEE
15 years 4 months ago
2007
IEEE
This paper discusses how the cognitive radio concept can be extended to allow the system not only to manage shared resources such as spectrum, but to use this knowledge to optimize...
IEEECIT
2010
IEEE
14 years 8 months ago
2010
IEEE
—In this paper, we present a new spectrum-hole prediction model for cognitive radio (CR) systems based on the IEEE 802.11 wireless local areas networks. We have also analyzed the...