KIPS Transactions on Computer and Communication Systems (정보처리학회논문지:컴퓨터 및 통신 시스템)

Korea Information Processing Society (한국정보처리학회)
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Zigbee Adaptor for Two-way Data/Event/Service Interoperation in Internet of Things

사물인터넷의 양방향 데이터/이벤트/서비스 연동을 위한 지그비 어댑터

  • 백문기 (충남대학교 컴퓨터공학과) ;
  • 임형준 (충남대학교 컴퓨터공학과) ;
  • 이규철 (충남대학교 컴퓨터공학과)
  • Received : 2013.12.11
  • Accepted : 2014.03.27
  • Published : 2014.04.30
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Abstract

Things in the IoT(Internet of Things) make various services by exchanging information over networks. The IoT includes many types of WSNs(Wireless Sensor Networks) that consists of spatially distributed wireless sensor nodes and operates with the various purposes with useful technologies such as identification, sensing and communication. Typically, Zigbee network composed of low-cost and lowpower devices is mainly used for wide-area monitoring and remote device control systems. The IoT composed of various WSNs cannot interoperate among networks because of heterogeneous communication protocol and different data representation of each network, but can facilitate interconnection and information exchange among networks via the DDS, which is communication middleware standard that aims to enable real-time, high performance and interoperable data exchanges. In this paper, we proposed design of Zigbee Adaptor for two-way interoperation and data exchange between Zigbee network and other networks in the IoT. Zigbee Adaptor communicates with Zigbee network according to the Zigbee protocol and communicates with external networks via DDS. DDS-based Zigbee Adaptor can facilitate interoperation between a Zigbee network and external networks by systematic cooperation among its components.

사물인터넷(Internet of Things) 환경의 사물들은 네트워크를 통해 정보를 교환하여 다양한 서비스가 이루어진다. 사물인터넷을 구성하는 WSN(Wireless Sensor Network)은 무선 센서 노드를 물리적인 공간에 배치하여 구성된 네트워크로 사물의 식별, 센싱, 통신 등의 기술이 더해져 다양한 목적으로 운용된다. 대표적으로 저가 저전력 장치들로 구성된 지그비(Zigbee) 네트워크는 지역 모니터링 및 원격 장치제어에 활용된다. 다양한 WSN으로 구성된 사물인터넷은 네트워크 간 통신 규약 및 데이터 표현이 상이하여 상호운용에 제약이 있지만 실시간 통신 미들웨어 표준인 DDS(Data Distribution Service)를 통해 이질적인 네트워크 간 상호연결 및 정보교환이 가능하다. 본 논문은 지그비 네트워크와 사물인터넷의 다른 네트워크 간 양방향 데이터/이벤트/서비스 연동을 위한 지그비 어댑터 설계를 다룬다. DDS 기반의 지그비 어댑터는 지그비 표준을 따라 지그비 네트워크와 통신하고 다양한 구성요소 간 유기적인 동작으로 지그비 네트워크와 사물인터넷의 다른 네트워크 간 상호운용을 가능케 한다.

Keywords

References

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