A Node Optimal Deployment Method for Ring Wireless Sensor Networks

Abstract

The invention discloses a node optimization deployment method of a ring-type wireless sensor network. The monitoring area of ​​the wireless sensor network is a circular area, and all sensor nodes are distributed in the circular area, and the convergence node is located at the center of the circle. The area is divided into n concentric rings, and a relay ring is set in the middle area of ​​each ring, and the relay rings are equally spaced; all sensing nodes are evenly distributed in the non-relay ring of the entire circular monitoring area area, all relay nodes are distributed in each relay ring, the relay nodes on the same relay ring are evenly distributed, the distribution density of relay nodes in different relay rings is different, and the distribution density increases with the relay ring Decreases as the distance from the sink node increases. The invention effectively avoids the "energy void" problem caused by unbalanced energy consumption of nodes, optimizes the energy consumption in the network, prolongs the life cycle of the network, and greatly reduces the maintenance workload.

Description

technical field [0001] The invention belongs to wireless sensor networks, and in particular relates to a node optimization deployment method of a wireless sensor network. Background technique [0002] Wireless sensor network (WSN) is a new type of wireless network composed of a large number of sensor nodes through self-organization. Because wireless sensor networks have significant advantages such as high monitoring accuracy, low power consumption, low cost, large coverage area, and easy deployment, wireless sensor networks have been widely and rapidly developed. Deploying wireless sensor network nodes to specific areas to monitor and collect certain environmental data can be widely used in special fields such as environmental monitoring, medical monitoring, agricultural breeding, and disaster rescue. How to design WSNs suitable for different engineering applications has become a big research topic. [0003] Node deployment is an important issue in wireless sensor network ...

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