A Novel Threshold Scheme for Reducing Spatial Intersymbol Interference in Vehicular Visible Light Communication Based on Image Sensors

Figure 4

The receiving optical power distribution curves with different communication distances. (a) The communication distance is 30 m; (b) the communication distance is 50 m; (b) the communication distance is 60 m; (b) the communication distance is 70 m.

(a)

(b)

(c)

(d)