An adaptive energy aware DTN-based communication layer for cyber-physical systems

Abstract

Cyber-physical systems (CPS) can significantly transform our daily lives as it is an emerging area for future innovative services. CPS have the inherent features and benefits of using available networks such as wireless sensor networks, following generation networks, and the Internet. However, network disconnection is a concern in traditional networks. Delay tolerant networks can solve the problem of network disconnection. Mobile wireless networks are often characterized by frequent segmentation and potentially long message delivery delays. Modern applications in these networks have shown that energy is an essential concern as energy sources are limited. Nodes in a delay tolerant network are characterized by sparse connectivity, which provides an opportunity to save energy by periodically disabling the node radio (i.e., putting the node into sleep mode). Another problem is the limited energy of nodes, so an effective energy-saving model is necessary to allow these networks to operate for long periods. We have proposed an adaptive energy-aware DTN-based communication layer for CPS. We have designed an energy-saving system for CPS based on a delay tolerant network in the proposed model. We have proposed an energy-saving model that allows energy savings by managing the wake-up period at regular intervals while keeping the node inactive for the rest of the time. We evaluate our model implementing the Opportunistic Network Environment Simulator (ONE). The achieved results show that our energy that our energy-saving model has increased battery life five times as compared to constant access.