그림 1. MQTT 전송 프로토콜 Fig. 1. Protocol of MQTT Transport
그림 3. 혼돈 신호를 이용한 암호화 구조 Fig. 3. Encryption scheme of chaotic signals
그림 2. 디지털혼돈계의 시계열 도표 Fig. 2. Temporal behavior of digital chaotic signals
그림 4. 전송 데이터 암호화 구조 Fig. 4. Encryption scheme of transmission data
그림 5. 제안된 MQTT 프로토콜의 구조 Fig. 5. Structure of proposed MQTT protocol
그림 6. 제안된 MQTT 프로토콜의 모의실험 Fig. 6. Simulation of proposed MQTT protocol
표 1. 제안된 MQTT 프로토콜의 효율성 Table 1. Effectiveness of proposed MQTT protocol
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