Research Article

A Lifetime Optimization Algorithm Limited by Data Transmission Delay and Hops for Mobile Sink-Based Wireless Sensor Networks

Table 1

Simulation parameter table.

ParameterValue

Energy consumption parameter of communication circuit 50 nJ/bit
Energy consumption parameter of signal amplification 100 pJ/bit/m2
Number of grids
Movement speed of sink node 5.5 m/s
Data sensing rate of sensor node 100 bit/s
Data storage capacity of sensor node 32 kbit
Side length of grid 100 m
Number of individuals 50
Number of iterations 50
Maximum communication radius of nodes 200 m
Cross probability of grid center location 0.5
Cross probability of sojourn time 0.5
Mutation probability of individual 0.25
Mutation probability of gene 0.05
Maximum number of data transmission hops 3
Maximum data transmission delay 25
Side length of network simulation area1000 m
Initial energy of sensor nodes 100 J