Method of optimizing position of base station in radio frequency charging wireless sensor network

A wireless sensor and optimization method technology, applied in wireless communication, network topology, electrical components, etc., can solve the problems that affect the charging efficiency of nodes to be charged, the optimal charging effect, etc., and achieve the effect of enhanced receivable energy

Inactive Publication Date: 2015-08-05
WUHAN UNIV
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Problems solved by technology

[0006] However, the problem of how to optimize the charging effect of the entire network in a wireless sensor network with two base stations is still not well resolved.
[0007] At the same time, due to the different distances between different base stations and the waiting charging sensor nodes, the phase difference caused by the distance difference will cause the radio frequency waves emitted by different base stations to produce radio frequency electromagnetic wave interference phenomenon at the waiting charging sensor nodes, thus affecting the charging nodes. charging efficiency

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  • Method of optimizing position of base station in radio frequency charging wireless sensor network
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  • Method of optimizing position of base station in radio frequency charging wireless sensor network

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[0069] specific implementation

[0070] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0071] A method for optimizing the position of a base station in a radio frequency charging wireless sensor network provided by the present invention comprises the following steps:

[0072] Step 1: Set the two base stations as ET1 and ET2, the sensor node waiting for charging as S1, the distance from ET1 to S1 as r1, the distance from ET2 to S1 as r2, and the wavelength of radio frequency waves as λ, analyze in the radio frequency charging wireless sensor network, When two base stations transmit radio frequency energy at the ...

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Abstract

The invention discloses a method of optimizing a position of a base station in a radio frequency charging wireless sensor network. One feature that radio frequency waves emitted by two radio frequency base stations generate an interference phenomenon at one sensor node is combined, through overlay analysis on two columns of radio waves at the same charging waiting sensor node, a relationship between a position difference between the two radio frequency base stations and a charging efficiency of the charging waiting sensor node is obtained, and two base station positions with the optimized charging effects in the overall network are thus calculated. The method can be applied to the radio frequency charging wireless sensor network, the charging efficiency of the charging waiting node can be greatly improved, the service life of the overall wireless sensor network is prolonged, and the downtime of the overall system is reduced.

Description

technical field [0001] The invention belongs to the technical fields of wireless sensor network, radio frequency charging technology, radio frequency interference, etc., and relates to a method for optimizing the position of a base station in a radio frequency charging wireless sensor network, and in particular to a method for optimizing the charging effect of the entire network in a radio frequency charging wireless sensor network with two base stations. Optimal base station docking location method. Background technique [0002] A wireless sensor network is mainly composed of sensor nodes, which have functions such as signal perception, computing storage, and wireless communication. Sensor nodes are deployed in areas that need to be monitored, and this deployment is usually done by means of aircraft scattering, artificial embedding, etc. The nodes form a network through self-organization, and transmit the monitored data to the management center through multi-hop routing. ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W88/08H04W84/18H02J17/00
CPCH04W24/02H04W84/18H04W88/08
Inventor 张健余纯武董岩松
Owner WUHAN UNIV
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