159 search results - page 13 / 32 » A Distributed Optimization Algorithm for Multi-Hop Cognitive... |
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract-- We study joint rate control and resource allocation with QoS provisioning that maximizes the total utility of secondary users in cognitive radio networks. We formulate a...
VTC
2008
IEEE
14 years 2 months ago
2008
IEEE
— We consider a resource allocation problem for spectrum sharing in cognitive radio networks. Specifically, we investigate the joint subchannel, rate and power allocation for se...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
PIMRC
2008
IEEE
14 years 2 months ago
2008
IEEE
—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...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...