Naslov
Practical Estimation of VoIP QoS Based on Correlated Analysis of Transport Protocol Impairments and Perceptual Speech Quality

Autori
Lipovac, Vladimir ; Modlic, Borivoj ; Sertić, Antun

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Procedings of the International Conference on Telecommunications : ICT 2002 ; Vol. 1 / - Peking : Publishing House of Electronic Industry, 2002, 1030-1034

Skup
International Conference on Telecommunications : ICT 2002

Mjesto i datum
Peking, Kina, 23.06.2002. - 26.06.2002

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
VoIP; QoS; transport protocol; speech quality

Sažetak
The request for QoS in VoIP networks can be considered as two-fold: to ensure satisfactory performance at (relevant) protocol levels (IP, TCP/UDP, RTP), as well as at perceptual speech quality level, observed in between end points of the system. In this paper, correlation of the two levels of testing is proposed as the criterion for the overall QoS of a packet based ransmission of speech. Specifically, in a test environment, in addition to signaling protocols decoding and expert analysis. RTP packet jitter and loss have been measured and statistically analyzed. Then these results have been correlated with the results of the objective perceptual speech quality testing, providing the overall practical QoS criterion.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika

POVEZANOST RADA