Research on Channel Modeling and Communication Coverage of Wireless Sensor Networks in Barrier Area of Nuclear Power Plants

Table 1

Improvement of coverage optimization degree.

Overlay node	10	11	12	13	14
Not optimized	0.8611	0.8921	0.9081	0.8868	0.9266
After the optimization	0.9441	0.9514	0.9679	0.9825	0.9952
Lifting rate	9.64%	6.65%	6.59%	10.79%	7.40%