Method for prolonging service life of Bluetooth temperature sensor

A temperature sensor, temperature and humidity sensor technology, applied in the field of network communication, can solve problems such as energy imbalance, and achieve the effects of improving service life, alleviating energy voids, and balancing energy consumption

Pending Publication Date: 2022-05-13
河南嘉晨智能控制股份有限公司
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Problems solved by technology

[0004] In order to solve the above-mentioned deficiencies in the prior art, the present invention provides a method for prolonging the service life of the Bluetooth temperature sensor, and proposes an evaluation function composed of the directional betweenness and hop distance of the temperature and humidity sensor node and the neighbor nodes, and constructs Network routing, to solve the problem of energy imbalance, to improve the service life of the network, so that the data collection is complete

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  • Method for prolonging service life of Bluetooth temperature sensor
  • Method for prolonging service life of Bluetooth temperature sensor
  • Method for prolonging service life of Bluetooth temperature sensor

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Embodiment

[0039] The deployment area of ​​the entire Bluetooth temperature and humidity sensor is 400m×400m. Bluetooth temperature and humidity sensor nodes are randomly distributed in this area, the number of deployed Bluetooth temperature and humidity nodes is 10-200, and the maximum communication range is 20m. Sensor nodes do not move after deployment. The sink node moves in the monitoring area at a fixed speed of 1m / s. The initial energy of all sensor nodes is 5J. It is assumed that the adjustable parameters are α = 1, γ = 0.5 [44].

[0040] See the table for other parameters. In order to reduce errors, all experimental data are the mean of 50 random trials.

[0041] parameter value Maximum mobile sink travel distance (L max )

[0042] Such as figure 2 As shown, the network life comparison between the original method and the method provided by the present invention under different Bluetooth temperature and humidity values ​​is shown. It can be seen from the...

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Abstract

The invention discloses a method for prolonging the service life of a Bluetooth temperature sensor. The method comprises the following steps: step 1, calculating an evaluation function of a Bluetooth temperature and humidity sensor; 2, selecting a Bluetooth temperature and humidity sensor as a node for vehicle data collection; step 3, constructing an optimal network route; step 4, a Bluetooth temperature and humidity sensor selected by using the evaluation function in the step 1 is used to construct a path for industrial vehicle data collection; and step 5, recording a final vehicle path and a network route after the nodes of the Bluetooth temperature and humidity sensor are traversed, according to the method, in the sensor network, the directed betweenness centrality, the neighbor nodes and the hop distance of the nodes are used as evaluation factors, the high-load sensor nodes are selected as convergence nodes, the energy consumption among the nodes is balanced, and the energy consumption is reduced. The problem of energy holes is relieved, it is guaranteed that energy consumption of the Bluetooth temperature and humidity sensor is more balanced, and the service life of the Bluetooth temperature and humidity sensor network is prolonged.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for prolonging the service life of a Bluetooth temperature sensor. Background technique [0002] Bluetooth temperature and humidity sensors are often placed in greenhouses to observe the growth of vegetables and fruits by collecting temperature and humidity information in the greenhouses. The Bluetooth temperature and humidity sensor does not have the function of connecting to the network, and cannot directly transmit data through the network. The data transmission of the Bluetooth temperature and humidity sensor is an ad hoc network through the Bluetooth function to form a wireless sensor network. After collecting the complete data in the network, the data is transmitted to the base station with an Internet access module, and then the network is used to observe the greenhouse. temperature and humidity conditions. However, the data transmission mode of th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/38H04W4/80G01D21/02H04W40/10H04W84/18
CPCH04W4/80H04W4/38G01D21/02H04W40/10H04W84/18
Inventor 伊俊杰李飞姚欣
Owner 河南嘉晨智能控制股份有限公司
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