A Data Retransmitting Mechanism for Ecological Monitoring System

For ecological monitoring systems, spatiotemporal continuity of sensed data is an important issue. Wireless sensor networks (WSNs), composed of many tiny sensing devices, give a great way to collect continuously temporal and spatial data. Deployed in a wild field, harsh weather may lead to breakdown of these electronic devices or transmission loss between sensor devices. The data delivery rate may decrease because of these reasons. This article proposes a data retransmitting mechanism (DRM) for WSNs to solve the data discontinuity problems. The proposed mechanism allows sensor networks to retransmit sensed data, so the data continuity can be maintained.