태양 에너지를 이용하는 지능형 IoT 센서 노드에서 잉여 에너지 활용 데이터 중복 전송
Duplicated Data Transmission Using Extra Energy of Solar-Powered Sensor Nodes in AIoT
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초록
지능형 IoT가 발전함에 따라 대량의 데이터가 필요하게 되고, 이를 위해 대량의 데이터를 효율적으로 수집할 수 있는 무선 센서 네트워크의 사용이 증가하고 있다. 무선 센서 네트워크에서 센서 노드의 수명을 증가시키는 방법으로, 주변 환경으로부터 에너지를 수집하거나, 무선 전력 전송으로 직접 에너지를 전달하는 방법이 사용되고 있다. 이러한 환경에서는 에너지를 절약해서 센서 노드의 수명을 증가시키는 것도 중요하지만, 남는 에너지를 효율적으로 사용하는 것 또한 중요하다. 본 논문에서는 무선 센서 네트워크에서 각 센서 노드의 에너지가 남을 경우, 남는 에너지를 사용하여 중복된 데이터를 전송함으로써, 제한된 자료수집량에서 데이터 전송 성공률을 높이는 기법을 제안한다. 본 기법에서는 데이터를 전송하고 남는 에너지를 계산하고, 이를 활용해서 중복된 데이터 전송량을 결정한다. 시뮬레이션 결과, 본 기법은 기존의 다른 기법에 비해 패킷 에러율을 낮춤으로써 더 많은 자료를 수집하는 것을 보여준다.
Abstract
As intelligent IoT develops, large amounts of data are required, and the use of wireless sensor networks that can efficiently collect large amounts of data is increasing. As a method of increasing the lifespan of sensor nodes in wireless sensor networks, harvesting energy from the surrounding environment or directly transferring energy through wireless power transmission are used. In this environment, it is important to save energy and increase the lifespan of the sensor node, but it is also important to use the remaining energy efficiently. In this paper, we propose a technique to increase the data transmission success rate in a limited data collection amount by transmitting duplicate data using the remaining energy when each sensor node has energy remaining in a wireless sensor network. In this technique, the energy remaining after transmitting data is calculated in advance, and this is used to determine the amount of duplicated data transmission. Simulation results show that this technique collects more data by lowering the packet error rate compared to other existing techniques.
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