Data reliability protection method based on check code in wireless sensor network

A wireless sensor and network data technology, applied in network topology, wireless communication, climate sustainability, etc., can solve problems such as low delay, difficult data security, and difficulty, so as to avoid retransmission, correct and reliable data, The effect of prolonging the life cycle

Active Publication Date: 2018-08-24
HUNAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The above method can effectively improve the reliability of the wireless sensor network and improve the security of the network. However, it is difficult to ensure the security of specific data, but it is difficult to achieve low consumption and low delay in practical applications.

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  • Data reliability protection method based on check code in wireless sensor network
  • Data reliability protection method based on check code in wireless sensor network
  • Data reliability protection method based on check code in wireless sensor network

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Embodiment Construction

[0059] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention and the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0060] See figure 1 with figure 2 In the embodiment of the present invention, a data reliability protection method based on check codes in wireless sensor network data is characterized in that a plurality of sensor nodes are provided in the wireless sensor network, and the sensor nodes are divided into base stations The node and the source node are both within their communicable range, the trust level threshold Y is preset in the base ...

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Abstract

The invention discloses a data reliability protection method based on a check code in a wireless sensor network. Collect data through the source node, compare the reserved data feature code after character grouping, obtain the corresponding data importance, and convert it into a binary number; use the check code calculation formula to get the check number, combine the hash function to generate watermark information, and embed the watermark Convert to an unsigned string to send. After the base station node receives the data and converts it into a binary number, the separation algorithm is used to obtain the relevant data. If the watermark information can be verified to be consistent, the data is complete and reliable, and the data is extracted; otherwise, the data trust degree is obtained by using the trust degree calculation formula. If the data trust degree is greater than the pre-stored trust degree threshold, the data reliability meets the preset standard, and the data can be extracted; otherwise, the packet is discarded. The invention can judge whether the data is lost or tampered under any circumstances, restore the data information in combination with the actual situation, effectively avoid retransmission, save energy and prolong the network life cycle.

Description

Technical field [0001] The invention belongs to the field of wireless sensor network data security, and specifically relates to a data reliability protection method based on a check code in a wireless sensor network. Background technique [0002] A wireless sensor network (Wireless Sensor Network, WSN) is composed of a large number of sensor nodes that cooperatively sense, collect, process, and transmit data to complete various predetermined tasks. Due to many factors such as limited energy, environmental changes, conflicts and interference in the network, reliable data may not be obtained. However, the wireless sensor network is mainly data-centric. Through the analysis of the data, the event processing results are obtained. Therefore, the accuracy and reliability of the data will directly affect whether the correct decision is made. How to construct a reliability model for wireless sensor networks is the primary problem that needs to be solved to ensure the security of wireles...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/10H04W12/12H04W84/18H04W12/106
CPCH04W12/10H04W12/12H04W84/18Y02D30/70
Inventor 易昌朱更明张丹丹
Owner HUNAN UNIV OF SCI & TECH
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