22 search results - page 3 / 5 » Distributed Power Control for Cognitive User Access based on... |
JSAC
2008
13 years 6 months ago
2008
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
GLOBECOM
2009
IEEE
2009
IEEE
Optimum Allocation of Energy and Spectrum in Power-Controlled Wireless Networks with QoS Constraints
13 years 10 months ago
An important performance measure in wireless networks is the manner in which the network can distributively manage its limited energy and spectrum resources, while assuring certain...
JSAC
2011
13 years 1 months ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
INFOCOM
2010
IEEE
13 years 4 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...
PIMRC
2010
IEEE
13 years 4 months ago
2010
IEEE
This study addresses the general problem of efficient resource management in wireless networks with arbitrary timevarying topologies. Communication channels are assumed to generall...