129 search results - page 3 / 26 » Improving Quality of VoIP Streams over WiMax |
HIPC
2009
Springer
13 years 3 months ago
2009
Springer
We investigate the problem of scheduling in OFDMbased multihop relay networks with special emphasis on IEEE 802.16j based WiMAX networks. In such networks, scheduling is the probl...
AICT
2008
IEEE
14 years 2 days ago
2008
IEEE
—Third generation (3G) packet switched WCDMA networks with high-speed downlink packet access (HSPDA) are currently being deployed worldwide to provide wireless broadband connecti...
IJNSEC
2007
13 years 5 months ago
2007
When the network is homogeneous, choosing the cipher type for a packet telephony application is simple. It is clear that stream ciphers perform better than block ciphers over land...
INFOCOM
2002
IEEE
13 years 10 months 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...
EUROGP
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Speech quality, as perceived by the users of Voice over Internet Protocol (VoIP) telephony, is critically important to the uptake of this service. VoIP quality can be deg...