VoIP - IP Telephony White Papers
Providing VoIP Service in UMTS-HSDPA With Frame Aggregation
Overview This paper evaluates the performance of Voice Over Internet Protocol (VOIP) services over high speed downlink shared channel (i.e. UMTS-HSDPA), that is used in third generation cellular systems to provide high speed packet data service. This paper focuses on examining system outage based on delay budget in radio access network. This paper concludes that VoIP system performance is highly sensitive to delay budget. In order to support VoIP services with end-to-end delay comparable to that of circuit switched voice, HSDPA system needs to be carefully engineered, and design alternatives that relax delay budget in radio access network could be considered.
| Publisher | Microsoft | File Format | |
|---|---|---|---|
| Date Published | January 2005 | Downloads | 3 |
| Format | White Papers | ||
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