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Method for deploying resonant repeater in multi-hop wireless rechargeable sensor network

A sensor network, repeater technology, applied in network planning, wireless communication, electrical components, etc., can solve problems such as charging restrictions

Active Publication Date: 2018-06-15
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In 2012, Liguang Xie proposed in the document On Renewable Sensor Networks with WirelessEnergy Transfer: The Multi-Node Case.proc.of SENCON, IEEE, 2012 that in the wireless sensor network, regular hexagonal cellular units are used to divide the two-dimensional plane, including Each cell position of the sensor node is the candidate stop position of the mobile charging car, so that the mobile charging car periodically visits the stop position and uses the energy multi-hop method to replenish energy for the nodes in the cell. This charging method has a fixed time slot, Charging is limited

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Embodiment 1

[0073] Embodiment 1: as Figure 1-6 As shown, a method for deploying a resonant repeater in a multi-hop wireless rechargeable sensor network includes the following steps:

[0074] Step1: Build a wireless rechargeable sensor network model (see figure 1 ): Randomly deploy more than 10 sensor nodes in a certain monitoring area. The mobile charging device and the corresponding base station are deployed at the lower left of the network monitoring area; SNi represents the set of sensor nodes, and the subscript i represents the i-th sensor node; the battery capacity of each sensor node is Emax, maintaining The survival energy threshold of the i-th sensor node is Emin, RSi(t) represents the remaining energy of the battery of the node at time t, S represents the set of nodes in the service pool, Q represents the set of charging candidate nodes; the energy consumption cycle of the node is ECi,

[0075] The initial sensor node information is SNi(flag(i)=0, tab(i)=0), where flag(i)=0 in...

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Abstract

The invention discloses a method for deploying a resonant repeater in a multi-hop wireless rechargeable sensor network, belonging to the field of node energy supplement in the wireless rechargeable sensor network. The resonant repeater is introduced into the wireless rechargeable sensor network so as to realize multi-hop recharging of the sensor node, so that a mobile vehicle can be charged in a longer distance, and charging delay of the node is shortened. The invention provides a resonant repeater position determining policy including two steps. In the first step, the whole network is split in a cellular hexagon, so as to ensure that the repeater can charge all sensor nodes; in the second step, the position of the repeater is optimized and adjusted so as to ensure that fewest repeaters are used while the charging coverage condition is met. Through adoption of the policy, multi-hop wireless charging of the sensor in the network is realized through fewer resonant repeaters. A problem that energy of the node in the wireless sensor network is limited is solved at a lower cost, and sustainable operation of the network is realized.

Description

technical field [0001] The invention relates to a method for deploying a resonant repeater in a multi-hop wireless rechargeable sensor network, in particular to a method for deploying a relay node of a sensor network, and belongs to the field of node energy supplementation in a wireless rechargeable sensor network. Background technique [0002] A wireless sensor network is composed of a large number of stationary or mobile sensor nodes. The sensor nodes form a sensor network through self-organization and transmit information data to the base station through flooding. Nodes in wireless sensor networks are randomly deployed in an environment that is difficult for humans to reach. It is difficult to replace the batteries carried by nodes by manpower alone, and the limitation of battery capacity restricts the life of the network. Therefore, the application of wireless sensor networks has been very good. development of. [0003] At present, the nodes in the wireless sensor netwo...

Claims

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Application Information

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IPC IPC(8): H04L12/10H04W16/18
CPCH04L12/10H04W16/18Y02D30/70
Inventor 冯勇郭磊钱谦付晓东
Owner KUNMING UNIV OF SCI & TECH
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