BioWSN: A Bio-Inspired Method for Optimization of Routing in Wireless Sensor Networks

Figure 7

Network lifetime for LEACH, PSO, GEO, and IGWO. (a) Base station at (125,125), (b) base station at (125,0), (c) base station at (250,250), and (d) base station at (125,300).

(a)

(b)

(c)

(d)