In order to avoid the problem of energy hole in wireless sensor network due to the uneven energy consumption and extend the life cycle of the network, this paper proposes an non-uniform node distribution routing protocol adopted semi-greedy optimization idea. Firstly, in the layered network monitoring area, the forwarding energy consumption of sensor data for each layer is calculated. According to the energy consumption ratio in each ring and node density coverage requirements, a density decreasing node dep...
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