593 search results - page 46 / 119 » Cooperation and Cognitive Radio |
ICASSP
2008
IEEE
15 years 4 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-...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper discusses the issue of dynamic resource allocation (DRA) in the context of cognitive radio (CR) networks. We present a general framework adopting generalized transmitte...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
—Cognitive radios have the ability to sense their RF environment and adapt their transmission parameters to perform optimally in any situation. Part of this involves selecting th...
INFOCOM
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—Distributed spectrum sensing (DSS) enables a Cognitive Radio (CR) network to reliably detect licensed users and avoid causing interference to licensed communications. Th...
PIMRC
2008
IEEE
15 years 4 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...