Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Design and Implementation of Road Construction Risk Management System based on LPWA and Bluetooth Beacon

  • Received : 2018.10.29
  • Accepted : 2018.11.07
  • Published : 2018.12.31
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Abstract

While commercialization of IoT technologies in the safety management sector is being promoted in terms of industrial safety of large indoor businesses, implementing a system for risk management of small outdoor work sites with frequent site movements is not actively implemented. In this paper, we propose an efficient dynamic workload balancing strategy which combined low-power, wide-bandwidth (LPWA) communication and low-power Bluetooth (BLE) communication technologies to support customized risk management alarm systems for each individual (driver/operator/manager). This study was designed to enable long-term low-power collection and transmission of traffic information in outdoor environment, as well as to implement an integrated real-time safety management system that notifies a whole field worker who does not carry a separate smart device in advance. Performance assessments of the system, including risk alerts to drivers and workers via Bluetooth communication, the speed at which critical text messages are received, and the operation of warning/lighting lamps are all well suited to field application.

Keywords

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Fig. 1. Low Power Wide Area Communication Network based on IoT

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Fig. 2. Risk Management of Road Construction Sites

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Fig. 3. System Configuration

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Fig. 4. IoT safety sign and Network gateway

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Fig. 5. Service flow chart of Mobile app

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Fig. 6. Integrated safety management screen

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Fig. 7. Prototype Layout for Integrated Testing

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Fig. 8. Anaysis of Beacon Communications

Table 1. Evaluation index and measurement method

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Table 2. Optimized Packet Size for LPWA Communication

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