Peripheral security for mass transportation facilities
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Peripheral security is becoming important as compared to the Entrance Security as the terrorist are changing there targets to open society. This work mainly concentrates on two aspects of peripheral security. First one is location of sensor on the graph based on paper Optimal Detector Location by Xiaofeng Nie. The Optimal Detector Location Problem turned out to be mammoth and difficult to solve and so, heuristic to find the most occurred node was utilized. Second aspect of work was dispatch decision where two rules FCFS and Priority based were taken into consideration. Along with the above two rules a variation of both the rules was also used, i.e., by sending a back up unit in each case. Then under effect of condition like accessibility (no of entrance), length of road in per square mile (urbanization), number of ERU's in region, with and without sensor placement, visibility around the structure simulation was run to get the response time and the back up time in case of back-up units.