Abstract
Wireless technologies have been increasingly applied in industrial automation systems due to flexible installation, mobility, and cost reduction. Unlike traditional wireless sensor networks (WSNs), industrial wireless sensor networks (IWSNs), when expanding from wireless monitoring to wireless control, have more stringent requirements on reliability, real-time performance, and robustness in a number of industrial applications. Successive transmission failures or deadline misses in these applications may severely degrade the control quality and result in serious economic losses and safety problems. Therefore, when deploying IWSNs in harsh industrial environments, to achieve reliable and deterministic end-to-end transmissions is critically important. In this paper, we explain the primary challenges of designing appropriate routing protocols and present a reliable real-time flooding-based routing protocol for IWSNs (REALFLOW). Instead of traditional routing tables, related node lists are generated in a simple distributed manner, serving for packet forwarding. A controlled flooding mechanism is applied to improve both reliability and real-time performance. A seamless transition in the event of topology change can be achieved by REALFLOW. Performance evaluations via simulations verify that significant improvements of reliability, real-time performance, and network recovery time can be achieved by REALFLOW, compared with traditional routing protocols.
Highlights
Nowadays, wireless sensor networks (WSNs) have been exhibiting their attractive advantages over traditional wired counterpart for industrial automation systems, such as the avoidance of cabling and flexible installation
Performance evaluations via simulations verify that significant improvements of reliability, real-time performance, and network recovery time can be achieved by REALFLOW, compared with traditional routing protocols
We observe that packet delivery ratio (PDR) measured from all scenarios for both uplink and downlink are much higher than the other three traditional routing protocols
Summary
Wireless sensor networks (WSNs) have been exhibiting their attractive advantages over traditional wired counterpart for industrial automation systems, such as the avoidance of cabling and flexible installation. Industrial wireless sensor networks (IWSNs) can serve a number of purposes, such as monitoring and control. Transmission failures or deadline misses may result in disturbances to the process, degradation of the overall control performance, and even more serious economic losses or human safety problems. Once both wireless monitoring and control are fully supported, the booming development of IWSN applications can be expected. Besides high reliability and realtime performance, low energy consumption is an important issue [4,5,6] Compared with the former two requirements, reducing energy consumption should not be prioritized as high as reliable and deterministic transmission for different industrial applications
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: International Journal of Distributed Sensor Networks
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
