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User-Level QoS guarantee by GPSQ in Audio-Video multiple stream transmission over IP networks

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2 Author(s)
Okamura, N. ; Nagoya Inst. of Technol., Nagoya ; Tasaka, S.

This paper examines the effectiveness of GPSQ (Guarantee of Psychologically Scaled Quality), which is a method for guaranteeing user-level QoS of audio-video streams transmitted over IP networks. GPSQ reserves the bandwidth that achieves user-level QoS specified by the users through session control with SIP. We made an experiment where three audio-video streams compete with each other and Web traffic in an IP network with GPSQ. We then assessed user-level QoS and has confirmed that each stream achieved user-level QoS which is close to the target quality specified by the user.

Published in:

TENCON 2007 - 2007 IEEE Region 10 Conference

Date of Conference:

Oct. 30 2007-Nov. 2 2007