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Stochastic Network Calculus Method for Energy Allocation and Evaluation in Wireless Sensor Networks

A wireless sensor and random network technology, applied in network topology, network planning, wireless communication, etc., can solve problems such as too conservative, small probability violation, etc., to avoid waste.

Active Publication Date: 2018-09-18
CHANGCHUN UNIV OF SCI & TECH
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Problems solved by technology

However, these bounds may appear too conservative under highly complex system structures, or when a tolerable small probability of violation

Method used

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  • Stochastic Network Calculus Method for Energy Allocation and Evaluation in Wireless Sensor Networks
  • Stochastic Network Calculus Method for Energy Allocation and Evaluation in Wireless Sensor Networks
  • Stochastic Network Calculus Method for Energy Allocation and Evaluation in Wireless Sensor Networks

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specific Embodiment approach 1

[0053] Specific implementation mode 1. Combination Figure 1 to Figure 6 Describe this embodiment, the stochastic network calculation method for wireless sensor network energy configuration and evaluation, the method is implemented by the following steps:

[0054] Step 1. Obtain system parameters of wireless sensor network nodes: combine Figure 1 to Figure 3 , respectively give a piece of 140×140mm 2 The electric energy provided by monocrystalline silicon solar panels in 30 days; the accumulated electric energy in 30 days and the energy consumption of ZigBee wireless sensor network nodes in a single day;

[0055] Set electric energy accumulation, that is, electric energy supply C(t); electric energy consumption C * (t); the service provided by the system, that is, the power demand S(t).

[0056] C(s,t)=C(t)-C(s) (1)

[0057] S(s,t)=S(t)-S(s) (2)

[0058] C(s, t) is the cumulative amount of power supply between the time interval [s, t], and S(s, t) is the service provided...

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Abstract

The invention provides a random network calculation based wireless sensor network energy allocation and evaluation method, relating to the field of wireless sensor energy management, and solving the problem of power supply deployment of wireless sensor network nodes powered by renewable energy. System parameters of wireless sensor network nodes, comprising power supply, power consumption and power demand, are recorded; according to the cumulant of recorded power supply and the power consumption, the lower limit of power supply level, the upper limit of the power supply, the upper limit of power demand and the lower limit of the power demand for normal working of wireless sensor network nodes are acquired; according to the lower limit of the power supply, the upper limit of the power supply, the upper limit of the power demand and the lower limit of the power demand, the power undersupply probability and power supply waste probability are acquired; and a proper battery capacity is selected for evaluation and adjustment of the power supply deployment of the wireless sensor network nodes. The method provides a basic guide for power generation and storage system configuration of the renewable energy of the wireless sensor network.

Description

technical field [0001] The invention relates to the field of wireless sensor energy management, in particular to a wireless sensor network renewable energy configuration and evaluation method based on random network calculus. Background technique [0002] Wireless sensor network is a new generation of sensor network with many types of sensors, which can detect the surrounding environment including earthquake, electromagnetic, temperature, humidity, noise, light intensity, pressure, soil composition, size, speed and direction of moving objects, etc. Various phenomena. The application and development of wireless sensors have brought a profound impact on human life, including military, aviation, anti-terrorism, explosion-proof, disaster relief, environment, medical care, health care, home furnishing, industry, commerce and other fields of production and life. However, limited by the way of deployment and the working environment, it is generally difficult for sensor nodes to ob...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/18H04W52/02H04W84/18
CPCH04W16/18H04W52/0203H04W84/18
Inventor 李锦青底晓强从立钢李岩芳毕琳祁晖孙昉管红梅
Owner CHANGCHUN UNIV OF SCI & TECH
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