74 search results - page 1 / 15 » Voice Service Support over Cognitive Radio Networks |
ICC
2009
IEEE
13 years 11 months ago
2009
IEEE
—In this paper, quality of service (QoS) provisioning for voice service over cognitive radio networks is considered. As voice traffic is sensitive to delay, the presence of prim...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Release99 of UMTS (Universal Mobile Telecommunication System) network supports conversational services by means of UTRAN (Universal Terrestrial Radio Access Network) Dedicated tran...
VTC
2007
IEEE
13 years 11 months ago
2007
IEEE
—Evolved UTRA (EUTRA) is currently under study by 3GPP standards organizations as a long term evolution (LTE) for current generation Universal Terrestrial Radio Access (UTRA) net...
IEICET
2006
13 years 4 months ago
2006
In this paper, we evaluate the capacity of voice over internet protocol (VoIP) services over high-speed downlink packet access (HSDPA), in which frame-bundling (FB) is incorporated...
CN
2008
13 years 4 months ago
2008
The primary feature of cognitive radios for wireless communication systems is the capability to optimize the relevant communication parameters given a dynamic wireless channel env...