모빌리티 커넥티드 시스템 구축을 위한 저전력 기반 통신 기술 분석
Analysis of Low-power-based Communication Technology to Build a Mobility Connected System
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초록
제품간 또는 시스템간을 서로 연결하는 커넥티드 기술의 중요성이 커지고 있다. 커넥티드 기술은 주변 사물들과 소통하고 네트워크로 서로 연결되어 하나의 시스템처럼 동작시킬 수 있는 개념이다. 특히 무선 통신을 이용하여 구현할 수 있으며 통신거리, 속도 등 적용 시스템에 따라 다양한 조건이 요구된다. 본 연구에서는 자율주행차, 드론, UAV, 공유이동수단 등 모빌리티 장치간의 커넥티드 구현을 위한 통신 기술 동향을 분석하였다. 현재 상용화되거나 개발 중인 최신 통신 방식의 통신거리, 속도, 유무선여부 등을 조사하였으며, 특히 저전력 동작 여부에 중점을 두어 분석하였다. 저전력원거리통신(LPWAN) 시스템 구축에 필요한 요소기술이 무엇인지 도출하였으며, 1차적으로 드론 커넥티드 구성을 위한 방안을 도출하였다. 분석결과 LoRa 시스템을 활용한 커넥티드 시스템 구현이 가능함을 보였으며, 구성방안 예시안을 제시하였다.
Abstract
The importance of connected technology that connects products or systems is increasing. Connected technology is a concept that can communicate with surrounding objects and connect to each other through a network to operate as one system. In particular, it can be implemented using wireless communication, and various conditions are required depending on the application system, such as communication distance and speed. In this study, we analyzed trends in communication technology for the implementation of connectivity between mobility devices such as self-driving cars, drones, UAVs, and shared mobility devices. The communication distance, speed, wired and wireless status, etc. of the latest communication methods currently commercialized or under development were investigated, with a particular focus on low-power operation. We identified the element technologies needed to build a low-power long-distance communication (LPWAN) system, and initially developed a plan for constructing a connected drone. The analysis results showed that it was possible to implement a connected system using the LoRa system, and an example configuration method was presented.
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