Characterizing backhaul traffic in 3G networks using real-world speech
As third generation (3G) services become universally adopted, earners will need to minimize recurring bandwidth expenses in their radio access network (RAN) while providing media-appropriate QoS. While the move to statistical link layer technologies in 3G is appealing for the efficient use of bandwi...
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| creator | Falsafi, A. Bruemmer, K. Deschennes, J.-H. |
| description | As third generation (3G) services become universally adopted, earners will need to minimize recurring bandwidth expenses in their radio access network (RAN) while providing media-appropriate QoS. While the move to statistical link layer technologies in 3G is appealing for the efficient use of bandwidth and the support for other bearer services such as data, its bandwidth requirements are more difficult to characterize. This paper proposes the use of a mobile speech corpus of 1300 recorded voice conversations for analyzing bandwidth requirements. The bandwidth utilization over the UMTS Iub/Iur link layers is studied, taking into account not only voice activity statistics of the speakers from the corpus, but also the effects of background noise, echo, and signaling traffic, as well as vocoder and link-update algorithms and demonstrates that traditional statistical models of voice activity, as commonly used, do not accurately model link usage of the backhaul links, especially in the case of mobile-generated speech. |
| doi_str_mv | 10.1109/WCNC.2004.1311816 |
| format | Conference Proceeding |
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| identifier | ISSN: 1525-3511 |
| ispartof | 2004 IEEE Wireless Communications and Networking Conference (IEEE Cat. No.04TH8733), 2004, Vol.3, p.1743-1747 Vol.3 |
| issn | 1525-3511 1558-2612 |
| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | 3G mobile communication Applied sciences Background noise Bandwidth Equipments and installations Exact sciences and technology Mobile radiocommunication systems Operation, maintenance, reliability Organization, operation and development plans Radio access networks Radiocommunications Speech analysis Speech enhancement Statistics Systems, networks and services of telecommunications Telecommunication traffic Telecommunications Telecommunications and information theory Teletraffic Traffic control Vocoders |
| title | Characterizing backhaul traffic in 3G networks using real-world speech |
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