Impact of mobility on geographic routing

A new location-based reactive multi-hop protocol, namely the e-GPSR algorithm, is tested for the use in UWB sensor networks for logistic applications. Specifically, the impact of location information errors on the algorithm's performance is investigated when a Manhattan mobility model is assumed and a suitable position prediction model is introduced. The performance improvement produced by the combination of the e-GPSR algorithm with the prediction model is measured in terms of increased success delivery rate and reduced failures obtained by means of extensive system simulations. © 2008 IEEE