We study the feasibility of extending the lifetime of a wireless sensor network by exploiting mobility. In our system, a small percentage of network nodes are autonomously mobile, allowing them to move in search of energy, recharge, and deliver energy to immobile, energy-depleted nodes. We term this approach energy harvesting. We characterize the problem of uneven energy consumption, suggest energy harvesting as a possible solution, and provide a simple analytical framework to evaluate energy consumption and our scheme. Data from initial feasibility experiments using energy harvesting show promising results.
Rahimi et al. explored the mobility concept of nodes in search of energy REF .
Studying the feasibility of energy harvesting in a mobile sensor network
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)
Engineering Computer Science