IoT를 위한 저 전력 경량 프로토콜 기반의 에너지 최적화 연구
A Study on Energy Optimization Based on Low Power and Lightweight Protocol for IoT
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초록
본 논문에서는 제한된 배터리를 보다 효율적으로 활용하기 위한 방법으로 무선 센서 네트워크의 전력 효율을향상시킬 수 있는 전자기 유도형 에너지 하베스팅 기법과 가변 Keep-Alive 전송 주기 기법을 다룬다. 또한, 무선센서 네트워크 환경에서 Keep-Alive 사이클을 고정할 때 발생하는 전력 효율 문제를 해결하기 위한 방안으로 수학적 모델 시뮬레이션에 기반한 에너지 수확기의 구조를 설계하고 가변 Keep-Alive 사이클 기법을 제안하였다. 이를통해 전송 성능을 유지하면서 전력 소모량을 줄이는 전력 효율 향상에 따른 에너지 하베스팅 기반 무선 센서 네트워크 구축이 가능함을 실험을 통해 검증하였다.
Abstract
In this paper, electromagnetic induction-type energy harvesting technique and variable keep-alive transmission period technique that can improve the power efficiency of wireless sensor network are dealt with as a method to more efficiently utilize a limited battery. In addition, the structure of the energy harvester based on mathematical model simulation was designed and a variable keep-alive cycle technique was proposed as a way to solve problem of the power efficiency that occurs when the keep-alive cycle is fixed in a wireless sensor network environment.
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