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A multicast reprogramming protocol for wireless sensor based on small world concepts
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DOI：10.1016/j.jpdc.2013.05.006.png)
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Automatic reprogramming is an important and challenging issue in wireless sensor networks (WSNs). A usual approach is the over-the-air programming (OAP), which is a fundamental service based on reliable broadcast for efficient code dissemination. However, existing OAP protocols do not enable the reprogramming of a subset of the sensor nodes in a WSN. Hence, in this work we propose a multicast-based over-the-air programming protocol that considers a small world infrastructure (MOAP-SW). The small world model is used to create shortcuts toward the sink in the communication infrastructure of sensor networks. The endpoints of these shortcuts are more powerful nodes, resulting in a heterogeneous wireless sensor network. Simulation results show the feasibility of the protocol regarding the number of messages transmitted, the energy consumption and the time to reconfigure the network. (C) 2013 Elsevier Inc. All rights reserved.
Keyword:
Over-the-air programming
Multicast reprogramming
Wireless sensor network
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