74 search results - page 11 / 15 » Voice Service Support over Cognitive Radio Networks |
APNOMS
2007
Springer
14 years 1 months ago
2007
Springer
Most of Voice over IP(VoIP) systems are deployed using SIP protocol and based in a client-server architecture. A lot of people and companies could be benefited if the system did n...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract—Among radio technologies, multiple-input multipleoutput (MIMO) systems have attracted wide research interests in recent years. It is widely recognized that MIMO systems ...
MSWIM
2006
ACM
14 years 1 months ago
2006
ACM
Third generation wireless systems can simultaneously accommodate flow transmissions of users with widely heterogeneous applications. As resources are limited (particularly in the...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
JSAC
2006
13 years 7 months ago
2006
In the recent past, there has been a tremendous increase in the popularity of VoIP services as a result of huge growth in broadband access. The same voice-over-Internet protocol (V...