Journal of the Korea Society for Simulation (한국시뮬레이션학회논문지)

The Korea Society for Simulation (한국시뮬레이션학회)
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State Transition Model-based Design of Wireless Gateway Types to Connect between a Sub-network of Things and Mobile Internet and their Performance Evaluations

사물 서브 망과 모바일 인터넷을 연계하는 무선 게이트웨이 타입들의 상태천이모델 기반 설계와 성능 평가

  • Received : 2016.02.01
  • Accepted : 2016.07.15
  • Published : 2016.09.30
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Abstract

This paper proposes four general wireless gateway types, which are distinguished by their own processing ways to connect between a wireless sub-network of things and the mobile internet that links mobile network to internet step by step. In this paper, we also design general processing procedures of these four types using the state transition model. Gateways of each types were developed on the basis of the resulted state transition models and their performances were evaluated through several tests, analyzed, and compared each other. As the results of our evaluation, compared with the other types, the type, which combines both of a low-power Sleep-interrupt way and polling ways for receiving data or responses in all the waiting states of a gateway, shows the best performance in all of data transmission real-timeliness, data loss and energy consumption.

본 논문은 사물 무선 서브 망을 모바일 망과 인터넷을 차례로 연계하는 무선 게이트웨이 처리 방식을 중심으로 데이터 유실이 있는 전송 방법과 데이터 무손실 전송 방법으로 구분하여 각 방법에 대한 일반적 전송 방식들을 두 가지 씩 4가지 타입을 제안하고, 각 타입의 일반적 처리 절차를 상태천이모델(Sate Transition Model)을 이용하여 설계한다. 도출된 각 상태천이도를 기반으로 각 타입들의 기능들을 실제로 구현하고 테스트함으로써 이들 방식들의 성능을 평가한다. 평가 결과로서, 다른 타입들과 비교해 볼 때, 여러 대기 상태들에서 데이터 혹은 응답 수신을 위해 저전력 Sleep모드-인터럽트와 폴링을 조합한 타입이 폴링만 사용하거나 Sleep모드-인터럽트만을 사용하는 방법보다 데이터 전송 실시간성, 데이터 유실도, 에너지 소모 등에서 가장 좋은 성능을 보인다.

Keywords

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