I. 0BINTRODUCTION
In recent years, wireless sensor networks have attracted
more and more related researchers for its advantages. Sensor
nodes are usually low-power and non-rechargeable. The
integrity of the original networks will be destroyed and other
nodes will have more business burden for data transmission if
the energy of some certain nodes deplete. The key issue of
sensor network research is to balance the energy consumption
of all sensor nodes and to minimize the impact of random
failure of sensor nodes or random attacks to sensor nodes on
the entire network[1].