Measurement and emulation of time varying packet delay with applications to networked haptic virtual environments

Authors:
Ganesh Sankaranarayanan;Lauren Potter;Blake Hannaford
Affiliations:
University of Washington, Seattle, Washington;University of Washington, Seattle, Washington;University of Washington, Seattle, Washington
Venue:
Proceedings of the 1st international conference on Robot communication and coordination
Year:
2007

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Abstract

Networked haptic virtual environments (NHVEs) are increasingly being used in medical simulation, aircraft maintenance training, and other similar fields. In this paper we present the implementation of a network emulator that can create realistic Internet-like characteristics in a laboratory setting for networked haptics. We compare the quality of this delay emulator to actual measurements taken on the Internet by reflecting UDP data packets and analyzing their round-trip delay distribution and packet loss.