Abstract
Recently, the development in wireless devices has made it possible to connect numerous devices by constructing networks only amongst themselves. Cyber-physical Systems (CPSs) are likely to emerge through such network environments to connect both humans and machines so that a smart society can evolve with remarkably convenient and yet foreseen pervasive communication. It is, however, difficult to establish adequate network infrastructures anywhere and anytime. Therefore, a critical research issue is to formulate an effective method for constructing networks. To address this issue, we focus on mobile ad-hoc based CPSs, which is a network system consisting of mobile devices. Because it does not require any specific facility, the mobile ad-hoc based CPS may be considered to be a good candidate for realizing next generation CPSs. It, however, presents two major research challenges, namely the difficulty to maintain high connectivity in the network constructed by only mobile nodes, and the need to reduce the power consumption of the nodes. For addressing these two challenges in the mobile ad-hoc based CPS, we propose a novel method called mobility aware, local tree-based reliable topology to construct the network with adequate network connectivity while ensuring a low level of power consumption.
Highlights
In recent years, the concept of Cyber-Physical Systems (CPSs) has attracted a great deal of attention from researchers because they present an effective model to improve the interaction among different entities such as human-to-human, human-to-machine, and machine-to-machine communication [1]–[3]
ENVISIONED MOBILE AWARE Local Tree-based Reliable Topology (LTRT) (MA-LTRT) METHOD we propose a new topology control method called Mobility Aware LTRT (MA-LTRT) to improve the connectivity in mobile ad-hoc network based CPS by dynamically using the redundant transmission range
In this paper, we focused on mobile ad-hoc network based CPS as a method to connect many kinds of wireless mobile devices for facilitating the generation CPSs
Summary
The concept of Cyber-Physical Systems (CPSs) has attracted a great deal of attention from researchers because they present an effective model to improve the interaction among different entities such as human-to-human, human-to-machine, and machine-to-machine communication [1]–[3]. In the mobile ad-hoc based CPS, wireless mobile devices are connected with one another to construct temporary communication networks. In the previously conducted research works, a number of topology control algorithms such as Local Minimum Spanning Tree (LMST) and Local Tree-based Reliable Topology (LTRT) were developed for Wireless Sensor Networks (WSNs). They exhibit certain advantages when used in fixed networks such as WSNs, their performance degrades substantially in scenarios involving moving nodes. In our paper, we analyze the impact of the interval of topology control and network redundancy on power consumption in the mobile ad-hoc based CPS by using the improved LTRT.
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