A multi-path routing method based on link lifetime and energy consumption prediction

A time-to-live and multi-path technology, applied in the field of the Internet of Things, can solve problems such as large energy consumption, prolonged average end-to-end time, and short network life time

Inactive Publication Date: 2018-12-11
TIANJIN UNIVERSITY OF TECHNOLOGY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of short network life time, large energy consumption and prolong

Method used

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  • A multi-path routing method based on link lifetime and energy consumption prediction
  • A multi-path routing method based on link lifetime and energy consumption prediction
  • A multi-path routing method based on link lifetime and energy consumption prediction

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Embodiment Construction

[0036] The method designed in this embodiment uses the NS-2 platform to carry out simulation experiments on this method. The method was compared with AOMDV, AOMR-LV and FF-AOMDV methods. In different data packet sizes, different node speeds and different simulation times, the simulation experiments are carried out on the data packet delivery rate, average end-to-end delay and energy consumption between nodes, and the LLECP-AOMDV method is analyzed in network survival time and energy consumption. and average end-to-end delay. See attached figure 1 , the specific implementation process is detailed as follows:

[0037] 1. Priority path selection strategy:

[0038] In step 1.1 of the present invention, an energy consumption model of a node is established.

[0039] In MANET, once the energy of a node is exhausted, the link will be broken, so the lifetime of the link is directly related to the energy of the node, and the choice of routing path should take the energy consumption ...

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Abstract

The invention relates to a multipath routing method based on link lifetime and energy consumption prediction, belonging to the field of Internet of Things, and the proposal of a multipath routing protocol saves the overhead of route discovery. In the route discovery phase, LLECP-AOMDV method performs hierarchical processing according to the energy level. When the node energy is lower than the threshold value, the LLECP-AOMDV method no longer participates in the route discovery process. According to the lifetime of the routing link and the minimum energy consumption of the routing path, the routing path with higher priority is selected for data transmission. In the route maintenance phase, the priority is updated dynamically by sending HELLO packets. Compared with AOMDV, AOMR-LV and FF-AOMDV, the LLECP-AOMDV method improves the lifetime of the network, reduces the energy consumption, and reduces the average end-to-end delay.

Description

technical field [0001] The invention belongs to the field of the Internet of Things, and in particular relates to a multi-path routing method based on link lifetime and energy consumption prediction. Background technique [0002] Mobile Ad hoc network (Mobile Ad hoc Network, MANET) is a collection of self-organizing, self-configuring and self-maintaining mobile hosts. It is a wireless network that does not rely on any infrastructure or central management. It has great potential in fields such as civil and civilian use. Compared with wired networks, dynamic topology, unstable links, limited energy, and lack of fixed infrastructure are the characteristics of MANETs. In MANET, each node is both a host and a router, and its computing power, storage capacity, communication ability and battery power are limited. These characteristics bring great challenges to routing protocol design. Routing is a process of selecting a network transmission path, and its role is to find the best...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W24/06H04W40/10H04L12/707H04L45/24
CPCH04L45/24H04W24/02H04W24/06H04W40/10Y02D30/70
Inventor 张德干陈露汤雅梦崔玉亚李文杰宋金杰
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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