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Sensor network coverage enhancement method based on direction angle decomposition optimization and redundant node removal

A sensor network and redundant node technology, applied in the field of sensor monitoring, can solve the problems of sensor deployment, sensor network not working properly, and difficulty in replacing batteries, etc.

Pending Publication Date: 2020-02-18
YANGTZE UNIVERSITY
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Problems solved by technology

The energy consumption of sensor nodes is further accentuated by sensors being deployed in inappropriate locations or manners, as well as difficulties in replacing batteries
Therefore, strategies to optimize energy consumption are critical, especially considering that sensor networks cannot function properly after a small number of nodes run out of energy

Method used

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  • Sensor network coverage enhancement method based on direction angle decomposition optimization and redundant node removal
  • Sensor network coverage enhancement method based on direction angle decomposition optimization and redundant node removal
  • Sensor network coverage enhancement method based on direction angle decomposition optimization and redundant node removal

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Embodiment Construction

[0054] The present invention provides a sensor network coverage enhancement method based on orientation angle decomposition optimization and redundant node removal, the core invention point of which is to establish a three-dimensional cone oriented perception model; a method for optimization of deflection angle based on differential evolution algorithm is proposed; A redundant node removal method is proposed.

[0055] The following will be combined with Figure 1~2 , to clearly and completely describe and demonstrate the method scheme in the embodiment of the present invention, which will help to understand the present invention, but does not limit the content of the present invention.

[0056] figure 1 It is a schematic flow chart of a sensor network coverage enhancement method based on azimuth decomposition optimization and redundant node removal in an embodiment of the present invention:

[0057] Step 1: Take the sensor node P(x, y, z) as the center of the circle, the rad...

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Abstract

The invention discloses a sensor network coverage enhancement method based on direction angle decomposition optimization and redundant node removal, and belongs to the field of sensor monitoring. Themethod comprises the following steps: firstly, establishing a three-dimensional cone directed sensing model; decomposing the sensing range of the sensor node into a pitch angle and a deviation angle,and proposing a deviation angle optimization method based on a differential evolution algorithm; and finally, aiming at the problem that a large number of redundant nodes exist in the sensor network,a redundant node removing method is provided. The method can effectively improve the coverage rate of the sensor network and the number of nodes.

Description

technical field [0001] The invention relates to the field of sensor monitoring, in particular to a sensor network coverage enhancement method based on orientation angle decomposition optimization and redundant node removal. Background technique [0002] With the advancement of the world's urbanization process, sensor networks have been widely used in many fields such as intelligent transportation and smart home. In fact, sensor networks have become an indispensable backbone in various practical applications. In general, using sensor networks to monitor a specific area requires a large number of low-energy nodes, which usually involves two key issues, namely, coverage performance and energy consumption. [0003] Coverage enhancement is a fundamental problem in wireless sensor networks. When building a sensor network in an area of ​​interest, a large number of sensors need to be deployed. Each sensor is capable of monitoring targets within its sensing area. Therefore, cove...

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Application Information

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IPC IPC(8): H04W16/18H04W24/06H04W84/18
CPCH04W16/18H04W24/06H04W84/18
Inventor 张磊许淼文方青王可黑创胡林
Owner YANGTZE UNIVERSITY
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