Table 1: Parameters for performance evaluation.

Parameters Value Sensor network size 1,650 * 1,650 m2 Communication range of sensor node Within 30 m Total transfer count of sensor node 10,000,000 Total amount of energy of sensor node 10,000 J Energy consumption during data transmission 1 mJ Size during data transmission 30 Byte Time during data transmission 0.12 ms Error rate during data transmission (10% ex) once every 10 times Sensing range of sensor node (Temp 70°C ex) 70°C (−10°C ~ +60°C) Deviation range of sensing data (Temp 0.5°C ex) 0.5°C (−0.5°C ~ +0.5°C) Number of sensor nodes 2 million, 4 million, 6 million, 8 million, 10 million Number of continuous queries 200, 400, 600, 800, 1,000 Size of query region 330 * 330 m2, 660 * 660 m2, 990 * 990 m2, 1,320 * 1,320 m2, 1,650 * 1,650 m2