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Wireless charging sensor network total utility maximization method

A sensor network, wireless charging technology, applied in network topology, wireless communication, network traffic/resource management, etc., can solve the problem of not considering data reception and sensing energy consumption, only considering energy consumption, etc., to prolong network life. cycle, reduce routing burden, and save energy

Inactive Publication Date: 2015-11-04
SOUTHWEST UNIVERSITY
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AI Technical Summary

Problems solved by technology

Although these schemes can effectively collect data and save energy by using mobile collectors, it only considers the energy consumption of data transmission and does not consider the energy consumption of data reception and sensing, and the charging rate is also used as a constant rather than a time variable.
However, in practice, the dynamic law of charge rate variation with time remains a challenge in calculating the optimal data rate

Method used

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  • Wireless charging sensor network total utility maximization method

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with specific embodiments. It should be noted that the technical features or combinations of technical features described in the following embodiments should not be regarded as isolated, and they can be combined with each other to achieve better technical effects.

[0018] Such as figure 1 As shown, a method for maximizing the total utility of a wireless charging sensor network provided by the present invention includes the following steps:

[0019] Step S1: Determine the optimal data transmission rate of the node.

[0020] Step S2: According to the optimal data transmission rate of the node, find the transmission rate of the node fusion outward link.

[0021] The determination of the optimal data transmission rate of the node and the transmission rate of the node's fusion outward link should follow the principle of flow conservation, that is, to ensure that the transmission rate of the fusion outw...

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Abstract

The invention provides a wireless charging sensor network total utility maximization method. The method comprises following steps of determining an optimal data rate of nodes; finding out a node fusion outward link rate according to the optimal data rate of the nodes; determining the average energy consumption of the nodes in data transmission and receiving; determining a link allocation flow rate; determining the electric quantity supplemented for the nodes; and determining the delay time of data collection. The method has following several advantages that a mobile collector directly performs energy transmission through wireless energy transmission, so that energy transmission is not affected by environment change any more, such as weather change and seasonal change; on approaching the nodes, the mobile collector can have stable high charging rate, thereby guaranteeing high efficient data service; and due to the mobility of the mobile collector, the router burden of the sensor can be relieved, so that the energy can be saved and the network life cycle can be prolonged.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks, and in particular relates to a method for maximizing the total utility of a wireless charging sensor network. Background technique [0002] The new wireless energy transmission technology can ensure the continuous operation of the network. There have been recent breakthroughs in this field, opening up a new dimension to the design of sensor network protocols, while mobile data collection is seen as an effective substitute for data transmission in wireless sensor networks. However, the time-varying charging rate is a great challenge to obtain an optimal data collection strategy in wireless charging sensor networks. Inspired by new energy delivery techniques and stimulated by the benefits of mobile data collection, the researchers propose a Joint Design of Energy Supply and Mobile Data Collection (JMERDG) model, which describes the data by building a flow-hierarchical network util...

Claims

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Application Information

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IPC IPC(8): H04W28/22H04W84/18
CPCH04W24/02H04W28/22H04W84/18Y02D30/70
Inventor 郭松涛刘德芳王飞杨阳刘东卓李国志
Owner SOUTHWEST UNIVERSITY
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