한국통신학회논문지 (The Journal of Korean Institute of Communications and Information Sciences)

  • 제40권10호
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  • Pages.2006-2013
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  • 2015
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  • 1226-4717(pISSN)
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  • 2287-3880(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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저전력 무선통신 기반 다중 프로토콜 게이트웨이 시스템 설계

Design of a Multi-Protocol Gateway System Based on Low Power Wireless Communications

  • 투고 : 2015.07.19
  • 심사 : 2015.09.30
  • 발행 : 2015.10.31
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초록

본 논문에서는 저전력 무선통신 기반 다중 프로토콜 게이트웨이 시스템 설계를 제안한다. 제안 된 멀티 프로토콜 게이트웨이 시스템은 가로등 전력 제어 및 환경 모니터링을 위한 정보를 수집하여 무선 네트워크와 유선 네트워크를 통해 현장 상황을 실시간으로 모니터링 및 제어 할 수 있도록 설계하였다. 코드분할 다중접속 및 이더넷, 위성 항법장치, 저전력 무선통신 등의 유선 또는 무선통신을 선택적으로 사용한 복합처리와 함께 다중 센서를 이용하여 수집 된 데이터를 저전력 무선통신을 통해 서버로 전송하는 중개 역할을 하도록 설계하였다. 그리고 유지보수 비용 및 하드웨어 교체 용이성을 위해 CPU 및 베이스 보드로 분리하여 설계하였다. 본 논문에서 제안된 다중 프로토콜 게이트웨이 시스템의 전원, 충격, 연속동작 신뢰성 검증결과, 95% 이상의 정상동작 성공률 및 정상적인 연속동작 결과를 얻을 수 있었다. 그리고 전압 강하 및 순간 내성시험, 전도성 RF 전자기장 내성시험에서 평균 A등급의 평가결과를 얻을 수 있었다.

In this paper we propose a multi-protocol gateway system based on low power wireless communications. The proposed multi-protocol gateway system was designed to allow real-time monitoring and control of the on-site situation through wired and wireless networks by gathering information for streetlight power control and environmental monitoring. The sensing data using multi-sensors with composite processing that selectively used wired or wireless communication (e.g., CDMA, Ethernet (TCP/IP), GPS, etc.) were designed to act as intermediaries that transmitted to the main server through ZigBee. Inaddition, they were designed by separating a CPU board and baseboard to ensure low maintenance cost and ease of hardware replacement. The proposed multi-protocol gateway system's power, impact, continuous operation stability, and immunity test results obtained a normal operation success rate of over 95% and normal continuous operation results. Moreover, in the voltage drop test, instantaneous immunity test, and conductive RF electromagnetic field immunity test, it obtained an average rating result of "A".

키워드

참고문헌

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피인용 문헌

  1. Link Quality Based Transmission Power Control in IEEE 802.15.4 for Energy Conservation vol.41, pp.12, 2015, https://doi.org/10.7840/kics.2016.41.12.1925
  2. 무선 센서 네트워크에서 플래시 장치를 활용한 에너지 효율적 저장 vol.42, pp.5, 2015, https://doi.org/10.7840/kics.2017.42.5.975