Mobility

Bounding Communication Delay in Energy Harvesting Sensor Networks

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Executive Summary

In energy-harvesting sensor networks, limited ambient energy from environment necessitates sensor nodes to operate at a low-duty-cycle, i.e., they communicate briefly and stay asleep most of time. Such low-duty-cycle operation leads to orders of magnitude longer communication delays in comparison with traditional always-active networks, imposing a new challenge in many time-sensitive sensor network applications (e.g., tracking and alert). In this paper, the authors introduce novel solutions for bounding sink-to-node communications in energy-harvesting sensor networks.

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