Delay bounds for voice over IP calls transported over satellite access networks

Authors:
Jan Janssen;Danny De Vleeschauwer;Guido H. Petit;Rudi Windey;Jean-Marie Leroy
Affiliations:
Alcatel Bell, Francis Wellesplein 1, B-2018 Antwerp, Belgium;Alcatel Bell, Francis Wellesplein 1, B-2018 Antwerp, Belgium;Alcatel Bell, Francis Wellesplein 1, B-2018 Antwerp, Belgium;Alcatel Bell Space, Berkenrodelei 33, B-2660 Hoboken, Belgium;Alcatel Bell Space, Berkenrodelei 33, B-2660 Hoboken, Belgium
Venue:
Mobile Networks and Applications
Year:
2002

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Abstract

Whether or not voice calls of traditional quality can be supported between two users connected to an IP backbone via satellite access systems depends largely on the mouth-to-ear delay, an important part of which is consumed by the satellite networks themselves. In this paper, a methodology is developed to calculate upper bounds for the latter delay component as a function of the used codec, the experienced packet loss ratio, the echo levels at both sides of the connection and the chosen voice packet size. Illustrations are provided.