• Title/Summary/Keyword: 무선 TSN

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Evolution of Industrial IoT Network Technology: Past, Present, and Future Trends (산업용 IoT 네트워크 기술의 진화: 과거, 현재, 미래 동향)

  • T.J. Park;E.H. Kim;J.S. Cha;K.S. Lee
    • Electronics and Telecommunications Trends
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    • v.38 no.3
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    • pp.20-28
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    • 2023
  • Wireless communication technology has mainly been used to fulfill the demands of industrial sites at which performance is not a critical concern. However, ongoing discussions and efforts are now focused on securing core wireless communication technologies to enable the transformation or expansion of wired industrial IoT (Internet of Things) network technology into a flexible and dynamic smart manufacturing system. This paper provides an overview of current wireless industrial IoT network technology and the recent wireless time-sensitive networking technology. It outlines the challenging level of reliability required for wireless communication technology to coexist with or replace its wired counterpart in future smart manufacturing systems. Additionally, we introduce ultra-reliable time deterministic network as the core technology of wireless industrial communications and focus on its reliability and delay characteristics.

Vehicle Speed Measurement System based on Wireless Sensor Network (무선 센서네트워크 기반 차량속도 측정 시스템)

  • Yoo, Seongeun;Kim, Taehong;Park, Taisoo;Kim, Daeyoung;Shin, Changsub;Sung, Kyungbok
    • IEMEK Journal of Embedded Systems and Applications
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    • v.3 no.1
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    • pp.42-48
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    • 2008
  • The architecture of WSN based Vehicle Speed Measurement System is presented in this paper from Telematics Sensor Network(TSN) to Management System. To verify the feasibility of the system, we implemented the vehicle speed measurement system and evaluated the accuracy of velocity measured by the system in our testbed, an old highway located near Kyungbu highway. The system performed over 95% of accuracy at 80kmph from the measurement. In addition, the battery life time of the sensor node was evaluated by simulation analysis with real measured current consumption profiles. Assuming the maximum average daily traffic in 2005, the battery life time is expected to be over 1.6 year from the simulation result.

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