WIT Press


Communications Network System Using IP Multicast Technology For An Accident Protection System

Price

Free (open access)

Paper DOI

10.2495/CR040211

Volume

74

Pages

10

Published

2004

Size

614 kb

Author(s)

K. Seki, S. Suzuki & H. Yamamoto

Abstract

We are developing a protection system to eradicate the accidents related to maintenance work. This system consists of a mobile terminal carried by each worker, a portable cab terminal temporally installed in the cab of a maintenance car, a connector attached to the existing signal system and a central administrative device installed at the control center. The mobile terminal, the cab terminal and the connector autonomously send their status information such as their position detected by the Global Positioning System (GPS) and their operational conditions and selectively receive necessary information. The central administrative device grasps the status of all devices and broadcasts track occupancy monitor information. To effectively exchange the information, we have decided to configure a communications network that u

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