무선 전력 전송 드론을 활용한 무선 센서 네트워크에서 데이터 수집 관리 기법
Data Collection Management for Wireless Sensor Networks Using Drones with Wireless Power Transfer
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초록
무선 센서 네트워크에서 네트워크의 수명을 증가시키기 위해 주변 환경으로부터 에너지를 수집하거나, 무선 전력 전송으로 직접 에너지를 전달하는 방법이 사용되고 있다. 또한 에너지의 불균형을 줄이고 데이터의 수집량을 증가시키기 위해 직접 센서 노드를 방문해서 자료를 수집하는 모바일 싱크 노드를 활용한 방법이 사용되고 있다. 본 논문에서는 이러한 환경에서 각 센서 노드가네트워크 환경과 에너지를 고려하여 Minimum Depth Tree (MDT)를 구성하고 자식 노드에 자료수집량을 할당해줌으로써 중계 노드의 부하를 줄이고 전체적으로 많은 데이터를 고르게 수집하는기법을 제안한다. 시뮬레이션 결과, 본 기법은 기존의 다른 기법에 비해 에너지 고갈을 효과적으로 억제하고 더 많은 자료를 수집하는 것을 보여준다.
Abstract
To increase the lifetime of the network in wireless sensor networks, energy harvesting from the surrounding environment or wireless power transfer is being used. In addition, to reduce the energy imbalance and increase the amount of data gathered, a method using mobile sink nodes that visit sensor nodes to gather data has been used. In this paper, we propose a technique to reduce the load on the relay node and collect a lot of data evenly in this environment. In the proposed scheme, sensor nodes construct Minimum Depth Trees (MDTs) considering the network environment and energy, and allocate the data collection amount. Simulation results show that the proposed technique effectively suppresses energy depletion and collects more data compared to existing techniques.
참고문헌 (22)
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