Abstract
The most critical and important parameter to study is the Location Cache Maximum Age (LCMA). This parameter defines the maximum age at which location information is not considered fresh enough to be used when routing packets. Instead of this, a location request is launched to catch a more fresh location. In other words, it defines the freshness of the stored position in the location cache memory. In this paper, we propose a combination of GPSR (Greedy Perimeter Stateless Routing) and Location-based Services (Grid and Hierarchical Location Services (GLS/HLS)). In order to implement this concept, we have proposed a patch over the NS-2 simulator which mixes GPSR, GLS and HLS according to our proposal. We have conducted various simulations and we have varied the freshness of the destination location data. The obtained results are promising in terms of latency, packet delivery rate and overhead.
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Khadim, R., Ennaciri, A., Erritali, M., Maaden, A. (2017). Impact of Location Data Freshness on Routing in Wireless Sensor Networks. In: Rocha, Á., Serrhini, M., Felgueiras, C. (eds) Europe and MENA Cooperation Advances in Information and Communication Technologies. Advances in Intelligent Systems and Computing, vol 520. Springer, Cham. https://doi.org/10.1007/978-3-319-46568-5_38
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DOI: https://doi.org/10.1007/978-3-319-46568-5_38
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