Method of scheduling sleep to meet demand in rechargeable sensor network

A sensor network and wireless sensor technology, applied in the field of sleep scheduling of communication equipment, can solve the problems of expensive, unrealistic, and limited battery energy to replace batteries, and achieve increased life cycle, high energy utilization, and avoidance of battery replacement. Effect

Inactive Publication Date: 2017-12-08
GUANGDONG UNIV OF PETROCHEMICAL TECH
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  • Abstract
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Problems solved by technology

[0003] However, the insufficient energy of wireless sensor devices has become an important factor that limits its development. Once a wireless sensor n

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  • Method of scheduling sleep to meet demand in rechargeable sensor network
  • Method of scheduling sleep to meet demand in rechargeable sensor network
  • Method of scheduling sleep to meet demand in rechargeable sensor network

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings.

[0035] Such as Figure 1-4 As shown, a method for sleep scheduling in a rechargeable sensor network to meet demand, including the following steps:

[0036] Step 1: Network initialization:

[0037] The network includes: wireless charging layer and wireless sensor node layer. The wireless charging layer is divided into square grids of equal size, and wireless charging points are arranged at the vertices of each grid to transmit wireless energy to wireless sensor nodes in the surrounding grids. The wireless sensor node layer randomly arranges several wireless sensor nodes, and the wireless sensor nodes have two states of activation and sleep. The wireless sensor nodes in the grid receive energy from the wireless charging points at the four vertices of the grid for their own consumption or stored in the battery of the node, and then choose the current cycle to activate ...

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Abstract

The invention discloses a method of scheduling sleep to meet the demand in a rechargeable sensor network. The network includes wireless charging points and wireless sensor nodes. The wireless sensor nodes with activation or sleep functions are randomly arranged in the network area. The network is divided into identical square grids. The wireless charging points are arranged at the vertexes of the grids. Each wireless charging point acquires energy and transmits the energy to the sensor nodes in the grid thereof. Each sensor node chooses to enter an activated or sleep state according to the energy situation. The activated nodes collect and upload data to a base station. Because of continuous supply of energy, renewable energy, such as solar energy, wind energy and geothermal energy, can be converted into available energy consumed or stored in batteries. Under the premise of meeting the demand of users for continuous throughput, the changing throughput demand of users can be met in continuous periods by considering the utilization efficiency of network energy and uploading the concept of energy saving.

Description

technical field [0001] The invention relates to a method for satisfying demands by sleep scheduling in a rechargeable sensor network, and belongs to the technical field of sleep scheduling of communication equipment. Background technique [0002] Based on the background of the Internet of Things (IoT), Industrial Wireless Sensor Networks (IWSNs) are gradually being used in various industries in recent years. Due to the low price, small size and convenient layout of sensor nodes, it is suitable for those who are due to dangerous buildings and environmental obstacles. It is undoubtedly the best choice for complex environments where there are too many hidden places to deploy conventional wired sensor networks. Use wireless devices to self-organize to form a communication network to detect the status of complex environments. The emergence and development of wireless sensing technology has attracted worldwide attention, so it is called one of the most influential technologies in...

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Application Information

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IPC IPC(8): H04W4/00H04W52/02H04W52/34
CPCH04W4/70H04W52/0225H04W52/0248H04W52/34Y02D30/70
Inventor 米顿舒磊方伟周长兵
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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