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Method for distinguishing services based on network coding collaboration system in wireless sensor network

A wireless sensor and network coding technology, applied in wireless communication, advanced technology, electrical components, etc., can solve the problems of data impact, data loss, quality degradation, etc., to improve data reliability, extend network life, and reduce network life. reduced effect

Inactive Publication Date: 2017-05-24
CENT SOUTH UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

In the process of wireless communication, the interference of factors such as the transmission environment and the transmission medium will affect the data to a certain extent when it is transmitted wirelessly, resulting in a decline in quality or even data loss.

Method used

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  • Method for distinguishing services based on network coding collaboration system in wireless sensor network
  • Method for distinguishing services based on network coding collaboration system in wireless sensor network
  • Method for distinguishing services based on network coding collaboration system in wireless sensor network

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with examples and accompanying drawings.

[0031] A method for differentiating services based on network coding cooperative systems in wireless sensor networks, such as figure 1 As shown in , for different applications, different powers are used for data transmission according to their reliability requirements. For nodes with energy surplus, their transmission power is increased within a certain range to increase the reliability of data transmission;

[0032] For applications with different reliability requirements, select the corresponding transmission power for data transmission;

[0033] Nodes close to the base station need to undertake more data forwarding tasks, resulting in increased energy consumption and are more likely to die. The area where these nodes are located is called a hot area, and the area where other nodes are located is called a non-hot area. Node transmission After the power is i...

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Abstract

The present invention discloses a method for distinguishing services based on a network coding collaboration system in a wireless sensor network. In the method, a transmit power is set for each node according to reliability desired by an application, so that while the reliability is ensured, the transmit power of the node is lowered to the minimum, unnecessary energy consumption is saved, and the service life of the network is prolonged. The data transmission power of the node and the data transmission reliability have a positive correlation. When the network dies, a lot of energy is still in an area far from aggregated nodes, and the surplus energy is fully used, so as to improve the transmit power of nodes in the area to better improve data reliability, and the service life of the network is not shortened.

Description

technical field [0001] The invention belongs to the field of wireless sensor networks, in particular to a method for differentiating services based on a network coding cooperation system in a wireless sensor network. Background technique [0002] A wireless sensor network consists of a large number of sensor nodes equipped with radio transceivers, which are randomly scattered in the work area, and are responsible for sensing, monitoring and processing environmental data. In most cases, wireless sensor networks need to work for a long period of time without human intervention, so reliability and robustness become the basic requirements of wireless sensor network design. In the process of wireless communication, the interference of factors such as the transmission environment and the transmission medium will affect the data to a certain extent when it is transmitted wirelessly, resulting in quality degradation or even data loss. Therefore, realizing reliable communication tra...

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Application Information

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IPC IPC(8): H04W72/04H04W72/08
CPCH04W72/0473H04W72/54Y02D30/70
Inventor 刘安丰闵洁
Owner CENT SOUTH UNIV
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