28 search results - page 2 / 6 » Optimal Power Allocation for Cognitive Radio Under Primary U... |
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
Transmit-power control is a critical task in cognitive radio (CR) networks. In the present contribution, adherence to hierarchies between primary and secondary users in a peer-to-...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
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...
TWC
2008
13 years 4 months ago
2008
A resource allocation framework is presented for spectrum underlay in cognitive radio networks. We consider both interference constraints for primary users and quality of service (...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Owing to the non-zero probability of the missed detection and false alarm of active primary transmission, a certain degree of performance degradation of the primary user (PU) from...
VTC
2008
IEEE
13 years 11 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...