Adaptive VoIP Service QoS Control based on Perceptual Speech Quality
| Autor: | Yung-Mu Chen, Liang-Yi Huang, Chih-Hung Hsu, Tein-Yaw Chung |
|---|---|
| Rok vydání: | 2007 |
| Předmět: |
Voice over IP
Adaptive quality of service multi-hop routing business.industry Network packet Wireless network Computer science Retransmission Quality of service ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS Real-time computing Network delay Handover Packet loss Wireless business Computer network |
| Zdroj: | The 9th International Conference on Advanced Communication Technology. |
| ISSN: | 1738-9445 |
| DOI: | 10.1109/icact.2007.358502 |
| Popis: | Integrated environment of wireless network can provide a ubiquitous and continuous communication for voice over Internet protocol (VoIP) service. However, the major problems, which VoIP performs over wireless networks, are varying delay of each packet, high packet loss rate and handoff. This paper proposed an adaptive QoS playout (AQP) algorithm to offer a high quality wireless VoIP service. AQP integrates the effect of dejitter buffer control, retransmission, and handoff delay based on the E-model. Simulation results show that AQP can reduce the lateness loss rate and improve speech quality under high frame error rate when the wireless link has small end-to-end network delay and also performs well when a handoff occurs. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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