Internet-of-Things route repairing method based on link stability and energy sensing

A technology of energy perception and repair method, applied in the field of Internet of Things, can solve problems such as delay, data loss, increase network overhead, etc., to achieve the effect of reducing network delay, prolonging life cycle, and improving data forwarding rate

Active Publication Date: 2014-08-13
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a routing repair method ba

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  • Internet-of-Things route repairing method based on link stability and energy sensing
  • Internet-of-Things route repairing method based on link stability and energy sensing
  • Internet-of-Things route repairing method based on link stability and energy sensing

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[0038] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0039] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0040] Such as figure 1 As shown, the method for repairing the routing of the Internet of Things based on link stability and energy awareness in the embodiment of the present invention includes the following steps:

[0041] S101: Perform route prediction according to the estimated link state information between nodes and the remaining energy information of nodes;

[0042] S102: Establishing a network route in a broadcast request-response (RREQ-RREP) manner;

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Abstract

The invention discloses an Internet-of-Things route repairing method based on link stability and energy sensing. The method comprises the steps that routing pre-judging is conducted according to the estimated link state information between nodes and the rest energy information of the nodes, a broadcast request-response mode is used for establishing a network route, a make-before-break mode is used for replacing links which are about to be damaged to continuously forward data, so that the stability of the route is improved, energy consumption of the nodes is saved, and the service life of the network is prolonged. According to the Internet-of-Things route repairing method based on link stability and energy sensing, a make-before-break route repairing mechanism is established, the performance index of link stability and the performance index of node energy are combined, the rest energy of the nodes and the link state information of the nodes are detected periodically, a replacing route for forwarding the data is actively established, the network overhead is effectively controlled, the data forwarding efficiency is improved, the network service life is prolonged, network delay is lowered, the stability degree of the network is improved, and the route keeping time of the network is prolonged.

Description

technical field [0001] The invention belongs to the technical field of the Internet of Things, and in particular relates to a routing repair method for the Internet of Things based on link stability and energy awareness. Background technique [0002] In many practical applications, due to the mobility of IoT nodes, the limitation of energy and the limitation of radio frequency distance, the network topology changes frequently. How to choose the routing strategy of the best node and the routing maintenance and repair mechanism is the routing technology. The existing Internet of Things routing repair algorithms are based on link failures, and the routing repair method is disconnected first and then connected. It lacks a pre-judgment mechanism, consumes a lot of network, has a large data delay, and has poor network stability. [0003] Due to the mobility and limited energy of IoT nodes, it is easy to cause the interruption of routing links. Most routing algorithms start the rou...

Claims

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Application Information

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IPC IPC(8): H04L12/703H04L12/28H04L45/28
Inventor 徐善永黄友锐韩涛曲立国凌六一唐超礼
Owner ANHUI UNIV OF SCI & TECH
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