Method of differentiated service based on network coding cooperative system in wireless sensor network

A wireless sensor, network coding technology, applied in wireless communication, advanced technology, climate sustainability, etc., can solve the problems of data impact, data loss, quality degradation, etc., to improve data reliability, extend network life, network life effect that does not decrease

Inactive Publication Date: 2020-05-01
CENT SOUTH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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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 of differentiated service based on network coding cooperative system in wireless sensor network
  • Method of differentiated service based on network coding cooperative system in wireless sensor network
  • Method of differentiated service based on network coding cooperative system in wireless sensor network

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Embodiment Construction

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

[0031] A method for distinguishing services based on network coding cooperation system in wireless sensor network, such as figure 1 As shown, for different applications, different powers are adopted for data transmission according to their reliability requirements, and nodes with surplus energy can increase their transmission power within a certain range to increase the reliability of data transmission;

[0032] Select the corresponding transmission power for data transmission for applications with different reliability requirements;

[0033] Nodes close to the base station need to undertake more data forwarding tasks, which leads to increased energy consumption and are more likely to die. The area where these nodes are located is called hot zone, and the area where other nodes are located is called non-hot zone. Node transmission After the power is initially determined, keep th...

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Abstract

The invention discloses a method for differentiating services based on a network coding cooperation system in a wireless sensor network. This method considers setting the transmission power of each node separately according to the reliability required by the application, which minimizes the transmission power of the node while ensuring the reliability, saves unnecessary energy consumption, and prolongs the life of the network. the goal of. There is a positive correlation between the power of nodes transmitting data and the reliability of data transmission. Since there is still a lot of energy in the area far from the sink node when the network is dead, making full use of these remaining energy and increasing the transmission power of nodes in this part of the area can be more efficient. It is good to improve data reliability without affecting the life of the network.

Description

Technical field [0001] The invention belongs to the field of wireless sensor networks, and particularly relates to a method for distinguishing services based on a network coding cooperation system in a wireless sensor network. Background technique [0002] The 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. Therefore, reliability and robustness have become the basic requirements of wireless sensor network design. In the process of wireless communication, interference from factors such as the transmission environment and transmission medium will affect the data to a certain extent when it is transmitted wirelessly, resulting in a decrease in quality and even data loss. Therefore, the realization of ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/08
CPCH04W72/0473H04W72/54Y02D30/70
Inventor 刘安丰闵洁
Owner CENT SOUTH UNIV
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