SIMAGE: Secure and Link-Quality Cognizant Image Distribution for Wireless Sensor Networks

Provided by: Institute of Electrical & Electronic Engineers
Topic: Mobility
Format: PDF
Wireless Sensor Networks (WSNs) are used in a range of critical domains (e.g., health care, military, critical infrastructure) where it is necessary that the nodes be reprogrammed with a new or modified code image without removing them from the deployment area. Various protocols have been developed for the dissemination of code images between sensors in multi-hop WSNs, where these sensor nodes may have varying levels of link quality. However, the code dissemination process in these protocols is hindered by the nodes with poor link quality. This results in an increased number of retransmissions and code dissemination time.

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