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Routing packets in mobile ad hoc networks has been considered to a great extent, even though the hypothesis on full connectivity is generally not valid in a real time system which means that a practical routing protocol ought to handle intermittent connectivity and the absence of end-to-end connections. In this paper, the authors propose a location aware routing mechanism called adaptive position based routing protocol for mobile ad hoc networks, which is enhanced with a positioning service which well suits real time mobile ad hoc networks. In order to achieve low overhead, APBRRP uses a beaconless strategy combined with a position-based resolution during forwarding packets. Also the proposed protocol is combined with a local database holding mechanism which is updated using route overhearing.
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