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Grid structure-based hierarchical network charging method and system in WRSNs

A technology of layered network and charging method, applied in network topology, current collectors, electric vehicles, etc., can solve the problems of network performance degradation and short network lifespan

Active Publication Date: 2016-03-30
CHANGZHOU ENGIPOWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a layered network charging method and system to alleviate the problems of network performance degradation and short network life caused by energy exhaustion of nodes in traditional wireless sensor networks

Method used

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  • Grid structure-based hierarchical network charging method and system in WRSNs
  • Grid structure-based hierarchical network charging method and system in WRSNs
  • Grid structure-based hierarchical network charging method and system in WRSNs

Examples

Experimental program
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Embodiment 1

[0065] Such as Figure 1 to Figure 3 As shown, Embodiment 1 provides a layered network charging method, including the following steps:

[0066] Step S1, constructing a layered network; and step S2, charging each sensor node in the layered network sequentially and respectively on the basis of the layered network.

[0067] Specifically, in the step S1, a layered network is constructed, that is, a layered network based on a grid structure is established in a rectangular deployment area, and each sensor node calculates its own layer number and constructs a routing path between each sensor node and the Sink node .

[0068] And in step S2, on the basis of the layered network, each sensor node in the layered network is sequentially and separately charged, that is, the charger moves along the preset trajectory and speed, and stays at the center point of each grid in turn, to provide the grid The sensor nodes in the current grid are charged, and after completing the charging of the s...

Embodiment 2

[0106] Such as Figure 1 to Figure 3As shown, on the basis of embodiment 1, this embodiment 2 provides a layered network charging system, which is suitable for establishing a layered network, and controls the charging of the charger according to the layered network Each sensor node is charged sequentially and separately.

[0107] Further, the hierarchical network charging system is suitable for establishing a hierarchical network, namely

[0108] A layered network based on a grid structure is established in a rectangular deployment area, and each sensor node calculates its own layer number and constructs a routing path between each sensor node and the Sink node; and

[0109] According to the hierarchical network control charger, each sensor node in the hierarchical network is charged sequentially and separately, that is,

[0110] The charger moves along the preset trajectory and speed, stops at the center of each grid in turn, charges the sensor nodes in the grid, and contin...

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Abstract

The invention relates to a grid structure-based hierarchical network charging method and system in the WRSNs. The hierarchical network charging method comprises the steps of 1, constructing a hierarchical network; 2, sequentially and respectively charging all sensor nodes in the hierarchical network on the basis of the above hierarchical network. According to the technical scheme of the invention, the routing performance of the network itself is improved through fully utilizing the topological structure of the hierarchical network. Meanwhile, the node energy can be timely replenished, so that the remaining energy at each grid is ensured to be higher than a given threshold all the time. Therefore, the network is ensured to run in an efficient state, and the life cycle of the network is prolonged. In addition, the method and the system have the advantages of simple computation. Therefore, the requirements of large-scale network applications can be met.

Description

technical field [0001] The invention belongs to wireless sensor network charging technology, in particular, the invention relates to a method of determining the charging time of chargers in each grid according to the energy consumption of nodes and the moving speed of chargers on the basis of grid division to balance the energy of nodes in the network A method and system for consuming and extending network lifetime. Background technique [0002] Due to the limited power of sensor network nodes in traditional wireless sensor networks and the difficulty of battery replacement, with the operation of the network and the exhaustion of node energy, it is easy to cause network partition and network performance degradation. Wireless Rechargeable Sensor Networks (WRSNs) supply energy to nodes in the network in a wireless manner, which can effectively alleviate the problem of network performance degradation caused by node energy depletion and prolong the network lifetime. [0003] Al...

Claims

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Application Information

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IPC IPC(8): H04W40/02H04W40/10H04W84/18H02J7/00
CPCH02J7/00H04W40/02H04W40/10H04W84/18Y02D30/70
Inventor 王瑶陈孝武于春娣
Owner CHANGZHOU ENGIPOWER TECH
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