74 search results - page 5 / 15 » Voice Service Support over Cognitive Radio Networks |
TWC
2008
13 years 7 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 (...
INFOCOM
2002
IEEE
14 years 14 days ago
2002
IEEE
—Intelligent mobile terminals (or users) of next generation wireless networks are expected to initiate voice over IP (VoIP) calls using session set-up protocols like H.323 or SIP...
MASS
2010
13 years 5 months ago
2010
Cognitive radio, which enables dynamic access of under-utilized licensed spectrums, is a promising technology for more efficient spectrum utilization. Since cognitive radio enables...
MONET
2006
13 years 7 months ago
2006
The radio frequency spectrum is a naturally limited resource of extraordinary value, as the key to the provision of important communication and information services. Traditionally,...
MOBIMEDIA
2007
13 years 9 months ago
2007
The purpose of this work is to experimentally evaluate the quality of voice and data services over community-based WLAN access networks. We use P2PWNC, the Wireless LAN roaming ar...