Research Article

Tree-Based Multihop Routing Method for Energy Efficiency of Wireless Sensor Networks

Table 2

The parameters used in the experiment.

NameSymbolValue

Area of monitor
Number of sensor nodes
The coordinate of the base station(150 m, 150 m)
Initial energy of node1 J
Communication energy consumption50 nJ/bit
Energy consumption of signal amplification in free space10 pJ/bit/m2
Energy consumption of signal amplification in multipath0.0013 pJ/bit/m4
Energy consumption of data fusion5 nJ/bit/packet
Length of control signal100 bit
Length of monitor data4000 bit
Optimum ratio of cluster head
Weight of cluster head threshold
Weight of path
Maximum number of running rounds