148 search results - page 9 / 30 » Anti-jamming performance of cognitive radio networks |
108
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GLOBECOM
2008
IEEE
15 years 1 months ago
2008
IEEE
Efficient and reliable power allocation algorithm in Cognitive radio (CR) networks is a challenging problem. Traditional water-filling algorithm is inefficient for CR networks due ...
134
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TWC
2008
15 years 1 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
132
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WCNC
2010
IEEE
14 years 11 months ago
2010
IEEE
—With the ever increasing interest in multiple-input multiple-output (MIMO) cognitive radio (CR) systems, reducing the costs associated with RF-chains at the radio front end beco...
112
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WIOPT
2010
IEEE
14 years 11 months ago
2010
IEEE
Abstract—Development of dynamic spectrum access and allocation techniques recently have made feasible the vision of cognitive radio systems. However, a fundamental question arise...
128
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ICASSP
2010
IEEE
15 years 1 months ago
2010
IEEE
In Cognitive Radio scenarios channelization information from primary network may be available to the spectral monitor. Under this assumption we propose a spectral estimation algor...