Summary
One of the problems during a great disaster is the breakdown of communication infra structure. One of the solutions is the use of mobile ad-hoc networks (MANET). In this paper, we consider the situation in a building after a big fire, explosion or earthquake. Rescue workers equipped with PDAs, which are wireless connected, explore the dynamically changing world. Each individual builds up a local world map based on their local exploration and observation. The local maps are fused via the MANET structure and provide an up to date map of the dynamically changing world. Such maps can be used for mitigation, escape or rescue work.
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Extract
Fusion of Local Maps in Mobile Ad-Hoc Networks*
1. Introduction
The recent terrorist attack in New York, bombing in the subway of London and the tsunami have shown that one of the key problems is failing communication, and as a consequence, lack of up to date information about the state of the art. The management structure of most rescue workers is centralized. But with failing communication structure, a distributed decision-making structure is more appropriate. It is not clear in advance which structure will emerge.If a telecommunications infrastructure is not available at a certain area, it should still be possible to set up an infrastructureless network or a mobile ad-hoc network (MANET). Setting up such a network enables rescue workers to share information concerning the state of the art of the world and to coordinate actions. These adhoc networking technology makes it possible to exchange information anywhere and anytime without any existing infrastructure. Using handheld devices operating in a wireless environment, exchange of information is still possible even when major infrastructural communication links have been damaged, overloaded or destroyed.In this paper, we consider the case of a disaster in a huge building caused by fire, earthquake or otherwise. We assume that the infrastructure of computer networks and access poin...See the full content of this document
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