416 search results - page 40 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
TWC
2008
13 years 9 months ago
2008
Threshold relaying is an effective technique to achieve cooperative diversity in uncoded cooperative wireless networks, which suffer from error propagation due to detection errors...
TWC
2008
13 years 9 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
CISS
2008
IEEE
14 years 3 months ago
2008
IEEE
— We address the problem of exchanging broadcast packets among multiple wireless terminals through a single relay node. The objective is to evaluate the delay and throughput gain...
ICC
2009
IEEE
13 years 6 months ago
2009
IEEE
Abstract--We introduce multi-hop aggregate information efficiency (MIEA), a comprehensive metric that captures several performance-affecting factors of wireless ad hoc networks in ...
IPOM
2007
Springer
14 years 3 months ago
2007
Springer
We present a framework of cognitive network management by means of an autonomic reconfiguration scheme. We propose a network architecture that enables intelligent services to meet ...