Journal of Convergence for Information Technology (융합정보논문지)

Convergence Society for SMB (중소기업융합학회)
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Maximizing the capacity of the IoT-based WSNs by employing the MIM capability

MIM 적용을 통한 IoT 기반 무선 센서 네트워크 성능 최대화 방안

  • 강영명 (삼성전자 네트워크사업부)
  • Received : 2020.10.11
  • Accepted : 2020.11.20
  • Published : 2020.11.28
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Abstract

Wireless sensor nodes adopting the advanced preamble detection function, Message-In-Mesage (MIM), maximize the concurrent transmission opportunities due to the capture effect, result in improving the system performance significantly compared to the legacy IEEE 802.15.4 based sensor devices. In this paper, we propose an MIM capture probability model to analyze the performance gains by applying the MIM function to the wireless sensor nodes. We implemented the IEEE 802.15.4 and MIM by Python and performed extensive simulations to verify the performance gains through MIM capture effects. The evaluation results show that the MIM sensors achieve 34% system throughput gains and 31% transmission delay gains over the legacy IEEE 802.15.4-based sensors, which confirm that it was consistent with the analysis result of the proposed MIM capture probability model.

향상된 프리앰블 탐지기술인 Message In Message (MIM) 기능을 적용한 무선 센서 노드들은 캡처 효과에 의한 동시전송 기회를 최대화하여 IEEE 802.15.4를 기반으로 동작하는 기존 센서들에 비해 시스템 성능을 크게 향상시킬 수 있다. 본 논문에서는 MIM 기능을 무선 센서 노드에 적용할 경우 얻을 수 있는 성능 이득을 분석하기 위해 MIM 캡처 확률 모델을 제안하였다. 그리고 MIM 캡처 효과에 따른 성능이득을 확인하기 위해 IEEE 802.15.4 및 MIM 동시전송 기능을 파이썬으로 구현하여 시뮬레이션을 수행하였다. 성능 평가를 통해 MIM 기법을 적용한 센서 노드는 IEEE 802.15.4 방식의 센서 노드에 비해 시스템 처리량은 34% 향상되었고 전송 지연은 31% 개선되어 전반적으로 MIM 캡처 확률 모델의 분석결과와 일치함을 확인할 수 있었다.

Keywords

References

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