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Conference Paper Handover Impact on E2E Delay of Multimedia Service in High-Speed Railway System
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Authors
Sang Chul Oh, Byungsik Yoon, 김동준, 성동일
Issue Date
202010
Source
International Conference on Information and Communication Technology Convergence (ICTC) 2020, pp.1709-1713
DOI
https://dx.doi.org/10.1109/ICTC49870.2020.9289383
Project Code
20IH3400, Development of train controllable ATP/ATO evaluation unit and ATP beacon with no track circuit in a high-speed railway environment(350km/h speed band), Byungsik Yoon
Abstract
This paper analyzed the handover impact on E2E delay of video conference multimedia service in high-speed railway system. Stable end-to-end (E2E) delay is essential to stable video conference multimedia service. Frequent handover by short inter-cell site distance (ISD) in high-speed railway system makes it harder. Therefore, we investigated the performance association between average E2E delay of video conference multimedia service and handover A3 offset in train speed at 150 km/h, 250 km/h and 350 km/h. OPNET network simulator provided by Riverbed Technology, Inc. was used for a tool to simulate the behavior and performance of the system.The results showed us that handover A3 offset mainly affected average E2E delay of video conference multimedia service, so that we knew that it was possible to decrease the average E2E delay by controlling handover A3 offset. Moreover, the results informed that there were unstable and stable interval to average E2E delay regarding handover A3 offset values, thus we can take stable video conference multimedia service by controlling them.
KSP Keywords
E2E Delay, End to End(E2E), High-speed railway system, Multimedia Service, Network simulator(NS), Video Conference, cell site, inter-cell, train speed