Networking

Exploring the Synergy Between Link Correlation and Network Coding for Energy-Efficient Flooding in Wsns

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Executive Summary

Flooding of messages is a fundamental operation in wireless sensor networks which requires special attention to achieve communication efficiency and reliability. The existing works are dominated by ACK/NACK based approaches which demonstrates their effectiveness in achieving efficiency and reliability. A recent work shows that the performance can be further improved by exploiting the link correlation to ensure flooding reliability using the concept of implicit and collective ACKs. However, the work considers the broadcast of single packet whereas the flooding of a sequence of packets is more common in wireless sensor networks.

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