그림 1. 통신방식에 따른 데이터 전송률과 통신반경 Fig. 1 Data rate and communication range depending on communication scheme
그림 2. LoRa 시스템 구조 Fig. 2 LoRa system architecture
그림 3. LoRa 프로토콜 구조 Fig. 3 LoRa protocol architecture
그림 4. LoRa 단말장치 전송방식 Fig. 4 LoRa end-device classes
표 1. LPWA 기술 특징 비교 Table 1. Comparison of LPWA technical characteristics
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