74 search results - page 4 / 15 » Voice Service Support over Cognitive Radio Networks |
JNSM
2010
13 years 2 months ago
2010
Cognitive Radio (CR) equipments are radio devices that support the smart facilities offered by future cognitive networks. Even if several categories of equipments exist (terminal,...
TSP
2010
13 years 2 months ago
2010
In this paper, an adaptive cooperation diversity scheme with best-relay selection is proposed for multiple-relay cognitive radio networks to improve the performance of secondary tr...
JNW
2008
13 years 7 months ago
2008
This paper proposes a network-initiated terminal mobility mechanism (NITM) to facilitate handover with the session initiation protocol (SIP) in 3GPP Voice over WLAN (3GPP VoWLAN). ...
JSAC
2006
13 years 7 months ago
2006
One of the major challenges in supporting multimedia services over Internet protocol (IP)-based code-division multiple-access (CDMA) wireless networks is the quality-of-service (Qo...
ICTAI
1999
IEEE
13 years 11 months ago
1999
IEEE
Reliability, security, scalability and QoS (Quality-of-Service) have become key issues as we envision the future Internet. This paper presents the "Cognitive Packet Network (C...