28 search results - page 3 / 6 » Optimal Power Allocation for Cognitive Radio Under Primary U... |
ICASSP
2008
IEEE
13 years 11 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...
CORR
2007
Springer
13 years 5 months ago
2007
Springer
—Opportunistic secondary spectrum usage has the potential to dramatically increase spectral efficiency and rates of a network of secondary cognitive users. In this work we consi...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
Efficient design of cognitive radio networks calls for secondary users implementing adaptive resource allocation, which requires knowledge of the channel state information in ord...
GLOBECOM
2009
IEEE
13 years 12 months ago
2009
IEEE
Abstract—Cognitive radio technologies have become a promising approach to increase the efficiency of spectrum utilization. Although cognitive radio has been intensively studied ...
CORR
2008
Springer
13 years 5 months ago
2008
Springer
Abstract--We consider power control in cognitive radio networks where secondary users identify and exploit instantaneous and local spectrum opportunities without causing unacceptab...