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Data dissemination from multiple sources to mobile sinks is fundamental and challenging in WSN applications due to limited energy supply of sensor nodes and sink mobility. Previous data dissemination protocols either rely on an energy-consuming coordinate system or build an inefficient backbone. In this paper, we propose a hierarchical role-based data dissemination (HRDD) protocol in wireless sensor...
In this paper, we propose a Hierarchical Role-based Data Dissemination approach, named HRDD, for large-scale wireless sensor networks with multiple mobile sinks. In HRDD, we use a hierarchical cluster-based structure to discover and maintain the routing paths for distributing data to the mobile sink. We assign two roles, named Indexing Agent and Gateway Agent, to some sensor nodes in the wireless...
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