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Wireless sensor network and data sensing method thereof

A wireless sensor, data sensing technology, applied in network topology, wireless communication, advanced technology, etc., can solve problems such as ineffectiveness

Active Publication Date: 2012-07-25
IND TECH RES INST
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  • Claims
  • Application Information

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Problems solved by technology

But its effect is not obvious

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  • Wireless sensor network and data sensing method thereof
  • Wireless sensor network and data sensing method thereof
  • Wireless sensor network and data sensing method thereof

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Embodiment Construction

[0018] In the embodiment of the present invention, data is collected and its periodicity is calculated. Then, according to the periodicity, the collected data are superimposed together to analyze the data trend, so as to determine which time points to collect (sensing) data in the future and which time points do not need to collect data.

[0019] figure 1 A schematic diagram showing a wireless sensor network according to an embodiment of the present invention. Such as figure 1 As shown, the wireless sensor network 100 of the embodiment of the present invention includes an information collection module 110 and an information processing module 120 . The information collection module 110 includes: a processing unit 111 , a wireless sensor 112 , an execution module 113 and a radio frequency (RF) module 114 . The information processing module 120 includes: a processing unit 121 , a prediction module 122 , a database 123 and a radio frequency (RF) module 124 .

[0020] The infor...

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Abstract

The present invention relates to a wireless sensor network and a data sensing method thereof. A prediction model is built according to sensed data. When the statistic value of the sensed data, such as average value is in the allowed range of a user, the average value of past data is reported to the user according to the prediction model for reducing sensing times and reducing power consumption. Otherwise, when the statistic value of the sensed data, such as average value is beyond the allowed range of the user, actual sensed data is reported to the user according to the prediction model. Besides, the prediction model can be dynamically updated according to sensed data subsequently received.

Description

technical field [0001] The present invention relates to a wireless sensor network, and in particular to a wireless sensor network that dynamically adjusts the detection behavior of sensors according to the periodic characteristics of sensed values. Background technique [0002] Wireless sensor network (WSN, wireless sensor network) can be applied to such as forest ecological monitoring, detection of carbon dioxide concentration in factories, indoor monitoring, etc. In wireless sensor networks, wireless sensors play an important role, which are used to sense data, collect data and transmit back. [0003] In the traditional technology, according to the sensing frequency (sensing interval) specified by the administrator, the wireless sensor detects the environmental variable and returns the data. When the sensing interval is longer (fewer sensing times), energy is saved but less sensing data is obtained; while the sensing interval is shorter (more sensing times), more sensing ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W84/12H04W24/00
CPCY02B60/50Y02D30/70
Inventor 林冠荣郭伦嘉陈良弼范耀中王恩慈
Owner IND TECH RES INST