Internet of Things sensing layer topology control method

A topology control and perception layer technology, applied in the field of Internet of Things, can solve problems such as unbalanced energy consumption, unreasonable distribution of cluster head nodes, and difficulty in finding the optimal route

Inactive Publication Date: 2014-09-17
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a topology control method for the sensing layer of the Internet of Things, which effectively solves the problems of unreasonable...

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  • Internet of Things sensing layer topology control method
  • Internet of Things sensing layer topology control method
  • Internet of Things sensing layer topology control method

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Embodiment Construction

[0049] The idea of ​​the present invention is: currently, in terms of hierarchical topology control and power control, the existing algorithms are usually only optimized and designed for a certain aspect of the network topology, and the related research lacks systematicness. With the rapid development of related technologies, the classification of topology research is not obvious, and the combination of multiple methods can often achieve good results. Therefore, by introducing mechanisms such as heuristics or computational geometry algorithms, it is possible to reduce network energy consumption and accelerate topology. The purpose of forming and improving network robustness. How to discover and control the network topology comprehensively, accurately and quickly is of great significance for the network management, fault location and congestion control of the Internet of Things.

[0050] The present invention will be described in detail below in conjunction with the accompanyin...

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Abstract

The invention discloses an Internet of Things sensing layer topology control method. According to the method, an Internet of Things sensing layer wireless sensor network topology structure is established, data transmission is conducted based on the Internet of Things sensing layer wireless sensor network topology structure, and the Internet of Things sensing layer wireless sensor network topology structure is maintained. Due to the fact that cluster head nodes are selected layer by layer by means of positioning nodes during cluster head election, the selected cluster heads are distributed more evenly and reasonably. A aggregation node does not need to know the global information of a network, only small-range broadcast is needed, the increase of the number of nodes has few impacts on the method, data are forwarded through replay nodes and the cluster head nodes together during data transmission, the optimal path for forwarding is already determined during election of the cluster head nodes and the relay nodes, seeking of the optimal path is not needed, and energy consumption of the cluster head nodes is saved.

Description

technical field [0001] The invention belongs to the technical field of the Internet of Things, and in particular relates to a topology control method of the perception layer of the Internet of Things. Background technique [0002] The Internet of Things is a ubiquitous network built on the Internet. By organically combining the existing networks to form a unified whole, the wireless sensor network is one of the most important sensing technologies in the sensing layer of the Internet of Things. The topology of wireless sensor networks is very different from that of previous wired networks. Node resources of wireless sensor networks are extremely limited and are often deployed in harsh environments. However, in a large-scale Internet of Things composed of wireless sensor devices, due to the influence of many actual network factors such as hardware defects of the sensor's own equipment and various environmental factors, the network topology and other information learned by the ...

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Application Information

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IPC IPC(8): H04W24/04H04W40/10H04W84/18
CPCY02B60/50Y02D30/70
Inventor 曲立国黄友锐陈珍萍唐超礼刘佳
Owner ANHUI UNIV OF SCI & TECH
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