A multi-hop MANET demonstrator tested on real-time applications

In this paper we illustrate the implementation of an actual MANET demonstrator, based on off-the-shelf PDA devices with IEEE 802.11b wireless connectivity, tested on real-time applications. The most critical aspect affecting performances, in our opinion, is related to create a network where connectivity among nodes is as stable as possible. We implemented an enhanced version of the AODV protocol by embedding routing policies in order to choose routes based on link stability evaluation and show the effectiveness of this approach by means of simulations. Finally we describe the demonstration phases in a mixed indoor/outdoor environment.