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Real-Time Scheduling of Data Flows with Deadlines for Industrial Wireless Sensor Networks

Benhong ZHANG, Yiming WANG, Jianjun ZHANG, Juan XU

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Summary :

The flexibility of wireless communication makes it more and more widely used in industrial scenarios. To satisfy the strict real-time requirements of industry, various wireless methods especially based on the time division multiple access protocol have been introduced. In this work, we first conduct a mathematical analysis of the network model and the problem of minimum packet loss. Then, an optimal Real-time Scheduling algorithm based on Backtracking method (RSBT) for industrial wireless sensor networks is proposed; this yields a scheduling scheme that can achieve the lowest network packet loss rate. We also propose a suboptimal Real-time Scheduling algorithm based on Urgency and Concurrency (RSUC). Simulation results show that the proposed algorithms effectively reduce the rate of the network packet loss and the average response time of data flows. The real-time performance of the RSUC algorithm is close to optimal, which confirms the computation efficiency of the algorithm.

Publication
IEICE TRANSACTIONS on Communications Vol.E102-B No.12 pp.2218-2225
Publication Date
2019/12/01
Publicized
2019/05/27
Online ISSN
1745-1345
DOI
10.1587/transcom.2018EBP3294
Type of Manuscript
PAPER
Category
Network

Authors

Benhong ZHANG
  Hefei University of Technology
Yiming WANG
  Hefei University of Technology
Jianjun ZHANG
  Hefei University of Technology
Juan XU
  Hefei University of Technology

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