An efficient routing method for wireless sensor networks

A wireless sensor and network technology, applied in network topology, wireless communication, advanced technology, etc., can solve problems such as frequent use of path nodes, shortening WSN life cycle, energy holes, etc., achieve practical application value, optimize routing efficiency, extend Life cycle effects

Inactive Publication Date: 2018-12-18
BEIJING HUAHUAN ELECTRONICS
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Problems solved by technology

Nodes find the shortest path to transmit nodes according to the Dijkstra algorithm. Although this algorithm meets the requirements of high efficien

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  • An efficient routing method for wireless sensor networks
  • An efficient routing method for wireless sensor networks
  • An efficient routing method for wireless sensor networks

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[0022] The following describes the technical solutions in the embodiments of the present invention clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, such as figure 1 Shown is a schematic flowchart of an efficient routing method for a wireless sensor network provided by an embodiment of the present invention, and the method includes:

[0024] Step 1. According to the network topology of the wireless sensor network, select a node in each cluster as the clu...

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Abstract

The invention discloses an efficient routing method of a wireless sensor network. Firstly, according to the network topology structure of the wireless sensor network, a node is selected as a cluster head in each cluster; a ratio max of the residual energy of all nodes on the path from a common node in each cluster to a head of the cluster plus the collected energy and the consumed energy is calculated; according to the ratio max of all the obtained paths, a path with the largest ratio max is selected to upload the data to the cluster head; then, the data is transmitted to the base station or the terminal equipment through the cluster head of each cluster. This method not only prolongs the lifetime of WSN but also optimizes the routing efficiency by maximizing the energy utilization of sensor nodes in outdoor WSN.

Description

technical field [0001] The invention relates to the technical field of wireless sensor networks, in particular to an efficient routing method for wireless sensor networks. Background technique [0002] At present, in the wireless sensor network (Wireless Sensor Network, WSN), the life cycle of WSN has always been a research hotspot, and it is also one of the important indicators to measure the performance of WSN. The wireless sensor network (WSN) is composed of miniature sensors with various sensing functions. The miniature sensor nodes can form various topological structures. The sensor nodes upload the data required by the user to the base station or terminal equipment through the zigbee or wifi protocol. Among them, the topology plays a decisive role in the performance of the entire network, and prolonging the life cycle of WSN is a technical difficulty, which requires excellent topology and efficient routing algorithms, but high-efficiency algorithms are also compatible ...

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Application Information

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IPC IPC(8): H04W40/02H04W40/32H04W84/18
CPCH04W40/02H04W40/32H04W84/18Y02D30/00Y02D30/70
Inventor 朱大文阮方孙明海杨兵周联红郑素明王华
Owner BEIJING HUAHUAN ELECTRONICS
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