X-MAC: a short preamble MAC protocol for duty-cycled wireless sensor networks
Proceedings of the 4th international conference on Embedded networked sensor systems
On the hop count statistics for randomly deployed wireless sensor networks
International Journal of Sensor Networks
Perpetual and fair data collection for environmental energy harvesting sensor networks
IEEE/ACM Transactions on Networking (TON)
Proceedings of the 5th International ICST Conference on Simulation Tools and Techniques
A practical theory of micro-solar power sensor networks
ACM Transactions on Sensor Networks (TOSN)
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Energy efficiency and self sustainability are among the primary objectives for networks of embedded devices, such as those of sensor networks and Internet of Things. In this paper we present a reference framework to obtain the optimal configuration parameters of networked devices with energy scavenging capabilities. Specifically, we derive an optimization method that links a simple and yet effective energy consumption model to network topology configurations and to the average energy that is harvested from the environment. This model is efficiently solved using interior point algorithms, making it possible to obtain optimal communication parameters and their feasibility regions, so as to ensure the perpetual operation of embedded communicating devices. Moreover, our framework allows for a dynamic system configuration as a function of the harvested energy income rate, thus making the considered networks flexible and self-adaptable.