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Additional node deployment method based on load balancing in wireless sensor network

A wireless sensor and load balancing technology, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve problems such as unsolvable load balancing, high node cost, etc., and achieve long network life cycle, comprehensive load balancing, and easy Achieved effect

Active Publication Date: 2017-12-08
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, on the one hand, the cost of deployed nodes will be high; on the other hand, it will not be able to solve the load balancing between different regions with irrelevant traffic.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0038] This embodiment provides a method for deploying additional nodes based on load balancing applied to a wireless sensor network. The flow chart of the method is as follows figure 1 shown, including the following steps:

[0039] Step 1: Establish initial routing and node hierarchy based on one-hop neighbor node transmission. The specific process is:

[0040] Within the communication range of the wireless sensor node, the base station looks for its one-hop neighbor nodes as the upstream nodes of its communication, and records the level of these upstream nodes as L 1 ;

[0041] The nodes with the latest marked level search for their one-hop neighbor nodes within the communication range in turn, as the upstream nodes of their communication, and record the level of these upstream nodes plus 1 for the level of their downstream nodes. The one-hop neighbor nodes that are searched do not include hierarchical nodes;

[0042] If some nodes cannot find a qualified upstream node, ...

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PUM

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Abstract

The invention discloses an additional node deployment method based on load balancing in a wireless sensor network. The method is characterized by comprising the following steps: step 1, setting up the level of an initial router and a node based on hopping neighbor node transmission; step 2, determining the flow of each wireless sensor node based on the initial router; step 3, detecting the deployment positions of additional nodes based on the flow difference of each node; and step 4, deploying the additional nodes at the top of a straight line between the initial position and final position. The method of the invention deploys a small number of additional nodes to realize network load balancing after satisfying the basic requirement of node deployment, and substantially improves the network lifetime on the basis of increasing a small amount of deployment cost.

Description

technical field [0001] The invention relates to the field of wireless sensor networks, in particular to a method for deploying additional nodes based on load balancing applied to wireless sensor networks. Background technique [0002] Wireless sensor network is a new type of wireless self-organizing network, which connects sensor nodes in a certain area through self-organizing methods to form a unified information collection and communication system. The wireless sensor network realizes the connection between the natural world, the computing world and human society. It has been widely used in many important fields such as military defense, agricultural production, industrial control, urban management, environmental monitoring, emergency rescue and disaster relief, and has been recognized by academics all over the world. Highly valued by the world and industry. [0003] In wireless sensor networks, due to the small size of the sensor nodes themselves, the energy they can car...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W40/04H04W40/10
CPCH04W28/08H04W40/04H04W40/10
Inventor 刘徐迅刘雄英
Owner SOUTH CHINA UNIV OF TECH
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