A Data Transmission Algorithm Based on Dynamic Grid Division for Coal Goaf Temperature Monitoring

Figure 11

Spatial distribution of dead nodes with different radii of virtual semicircle.

(a) 𝑟=𝑑𝑠/2+𝑑𝑠/4

(b) 𝑟=𝑑𝑠/2+𝑑𝑠/6

(c) 𝑟=𝑑𝑠/2+𝑑𝑠/8

(d) 𝑟=𝑑𝑠/2+𝑑𝑠/10