Wireless Sensor Networks Design for the Signaling System of Ethio-Djibouti Railway Line
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Date
2019-09
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Addis Ababa University
Abstract
The Addis Ababa-Djibouti route which is the backbone of the Ethiopian Rail Network has both single and double tracks, serves to both freight and passenger trains. Moving trains at this track have different speeds, passenger trains relatively run at high speed. Introduction of Wireless Sensor Networks for the signalling system in the Ethio-Djibouti railway line will be a perfect choice to ensure safety, efficiency, increasing line capacity, with reduced power consumption and cost relative to the current system.
Congestion mitigation can be solved by shortening the train interval on the basis of earlier and correct information of trains. Thus we can run 3 or 4 trains in between two stations at a time. Rapid train which cuts the trip time will provide efficient passing facilities. Direct through operation over multiple lines will improve the traffic convenience. An accurate view of train locations can be displayed to the enquiry handler on enquiry counter and the person there can handle passenger‟s queries more efficiently. Thus, it achieves high degree of safety.
Ring routing protocol is used, which enables to have an energy-efficient system and it is compared with other routing techniques such as Line Based Data Dissemination and Railroad method. And a Gravitational Search Algorithm (GSA) will be conducted to achieve a low cost center. For the future, it leads to automation in railway engines and trains can be operated without drivers and manual interference. Also the proposed system is easy to deploy and maintain in case of any failure.
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Keywords
Signalling System, Wireless Sensor Networks, Ethio-Djibouti Railway Line