Modeling Opportunistic Data Delivery in Dynamic Wireless Networks

Provided by: Institute of Electrical & Electronic Engineers
Topic: Mobility
Format: PDF
In this paper, the authors examine data delivery in dynamic wireless ad hoc networks that exchange packets opportunistically. Legacy Mobile Ad hoc NETwork (MANET) protocols send packets along a predetermined path between a source and a destination. Node mobility, however, may create network partitions and a multi-hop link may not be present at the onset. Such node mobility may instead be leveraged to create an asynchronous path between a source and destination enabling opportunistic message exchange. In this paper, they propose an analytic model for this data exchange by defining a node's probability to forward packets to an encountered node. Drawing on results from mobility studies, they derive the statistics on the packet exchange and packet delivery performance for opportunistic networks.

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