Geographical Routing for Heterogeneous Wireless Systems
نویسندگان
چکیده
The aim of this paper is to consider the problem of node localization for geographical routing protocols in ad hoc networks. We propose a distributed positioning algorithm that does not rely only on GPS-like systems (Global Positioning System). Instead, it is assumed that just a part of the nodes belonging to that network is GPS-compliant. Therefore in this paper it is proposed to give position information to the nodes who are not GPScompliant. To achieve this, we use distance measurement, known as trilateration, between nodes to compute relative positions, and in some case global positions if GPS-compliant nodes are nearby. Keywords— ad hoc network, localization information, routing, mobile, wireless network, self-locating.
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