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» Interference in a Cognitive Network with Beacon
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INFOCOM
2010
IEEE
14 years 9 months ago
Optimal Control of Constrained Cognitive Radio Networks with Dynamic Population Size
Abstract-- In this paper, we consider the problem of optimal control for throughput utility maximization in cognitive radio networks with dynamic user arrivals and departures. The ...
Mahdi Lotfinezhad, Ben Liang, Elvino S. Sousa
GLOBECOM
2009
IEEE
15 years 6 months ago
Dynamic Power Management in Cognitive Radio Networks Based on Constrained Stochastic Games
Abstract—Recent studies have been conducted to indicate the ineffective usage of licensed bands due to the static spectrum allocation. In order to improve the spectrum utilizatio...
Chia-Wei Wang, Yu-Pin Hsu, Kai-Ten Feng
JSAC
2011
191views more  JSAC 2011»
14 years 6 months ago
CRP: A Routing Protocol for Cognitive Radio Ad Hoc Networks
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
Kaushik R. Chowdhury, Ian F. Akyildiz
112
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ICASSP
2011
IEEE
14 years 3 months ago
Stochastic resource allocation for cognitive radio networks based on imperfect state information
Efficient design of cognitive radio networks calls for secondary users implementing adaptive resource allocation, which requires knowledge of the channel state information in ord...
Antonio G. Marqués, Georgios B. Giannakis, ...
PIMRC
2008
IEEE
15 years 6 months ago
Double Hopping: A new approach for Dynamic Frequency Hopping in Cognitive Radio networks
—One of the major challenges in designing cellular Cognitive Radio (CR) networks is the avoidance of Secondary User (SU) interference to so called Primary Users (PUs) operating i...
Daniel Willkomm, Mathias Bohge, Daniel Hollos, Jam...