Inhalt des Dokuments
Conference Proceedings
Citation key | mahlo2005:_tcpvoip1 |
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Author | C. Mahlo, Christian Hoene, Ahmad Rostami and Adam Wolisz |
Title of Book | Proc. of 3rd International Symposium on Telecommunications (IST2005) |
Year | 2005 |
Address | Shiraz, Iran |
Month | sep |
Abstract | If low-rate VoIP is transmitted over congested links, both the coding and the packet rate need to be adapted to achieve the best conversational quality: On an Ethernet network it is better to jointly change packet rate and speech coding rate; in WLAN networks it is sufficient to change the packet rate. We also study whether TCP-friendly rate control algorithms are suitable for dynamically adapting packet and coding rate of a VoIP flow. Our results show that cannot be used for VoIP applications as they only control the packet rate do not consider packet sizes. Also, they do not transmit small (speech) packets fairly. We present an enhanced version of the TCP friendly rate control (TFRC) protocol that transmits small packets fairly and evaluate it with network simulations. |
Bibtex Type of Publication | ConferenceProceedings |