Wireless sensor network multipath reliable transmission fault-tolerant method

A wireless sensor and multi-path technology, applied in the field of the Internet of Things, can solve the problems of difficulty in acquiring prior knowledge, difficult to reflect fault characteristics, and difficult to reflect the integrity of network faults, so as to improve stability and fault tolerance, and improve transmission reliability. Enhanced effect of robustness and fault tolerance, fast convergence

Inactive Publication Date: 2018-11-06
CHONGQING THREE GORGES UNIV
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  • Application Information

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Problems solved by technology

Due to the complexity and diversity of wireless sensor networks, as well as the limitations of practical applications, such as the prior knowledge of network fault samples is difficult to obtain, and fault feature extraction is difficult to reflect the integrity of network faults.
The traditional fault tolerance model lacks independent online learning capabilities, it is difficult to reflect emerging fault characteristics, and it cannot meet the needs of large-scale network scalability

Method used

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  • Wireless sensor network multipath reliable transmission fault-tolerant method
  • Wireless sensor network multipath reliable transmission fault-tolerant method
  • Wireless sensor network multipath reliable transmission fault-tolerant method

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Embodiment 1

[0055] In the embodiment of the present invention, aiming at the stability, reliability and fault tolerance of wireless sensor network data transmission, a wireless sensor network multi-path reliable transmission fault tolerance method based on ant colony and immune mechanism is proposed. The steps are as follows:

[0056] (1) The calculation and implementation process of the optimal and worst ant system is the main part of the initial path calculation and establishment method of the wireless sensor network based on the ant colony algorithm. evaluation and selection. It can quickly evaluate multiple transmission paths established from a source node to a destination node. These constitute the initial antibody variant population for the immune-based multipath delivery algorithm. The initial path calculation and establishment method of the wireless sensor network based on the optimal worst ant system mainly includes the path or link pheromone calculation based on the optimal wor...

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Abstract

The invention discloses a wireless sensor network multipath reliable transmission fault-tolerant method. Three parts of a wireless sensor network initial path calculating and establishing method basedon an ant colony algorithm, the wireless sensor network multipath reliable transmission fault-tolerant method based on an immunization mechanism and a load balancing mechanism are included. The wireless sensor network initial path calculating and establishing method based on the ant colony algorithm is mainly used for considering factors induced by jumping/distance and artificial ant pheromones.The wireless sensor network multipath reliable transmission fault-tolerant method based on the immunization mechanism refers to relevant problem definitions of antibody antigen, path coding, adaptation degree, variable rule and the like which are achieved through the multipath transmission method based on immunization. The multipath load balancing mechanism is mainly used for distributing coded data pieces with unequal number to different paths according to the established transmission paths with unequal masses to improve the load balancing and transmission fault-tolerant capacity.

Description

technical field [0001] The invention relates to the technical field of the Internet of Things, in particular to a multi-path reliable transmission fault-tolerant method of a wireless sensor network based on an optimal and worst ant system and an immune mechanism. Background technique [0002] Data transmission reliability is an important index to measure the performance of wireless sensor network. Using routing fault tolerance strategy and multi-path transmission to achieve data transmission reliability and stability, taking into account the characteristics of energy balance and transmission delay. Wireless sensor networks have the characteristics of large number of nodes, wide distribution range, Ad Hoc network without center, dynamic topology changes, communication and computing capabilities, network security and data-centricity. The unpredictability of the wireless sensor network working environment, such as interference factors, such as temperature, vibration and electr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/38H04W28/04H04W28/08H04W40/04
CPCH04W4/38H04W28/04H04W28/08H04W40/04H04W28/082Y02D30/70
Inventor 李洪兵杨震陈强陈立万牛晓伟张春炯曾东冉涌王立
Owner CHONGQING THREE GORGES UNIV
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