A wide-area Internet of Things networking method and system supporting real-time reliable services

A wide-area Internet of Things and business technology, applied in the field of wide-area Internet of Things networking methods and systems, can solve problems such as low communication frequency, inability to apply industrial scenarios, and difficulty in in-depth industrial Internet of Things applications, to improve the application status, use convenient effect

Active Publication Date: 2021-12-10
深圳市艾森智能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of network networking is very simple, the communication frequency is very low, and it cannot be applied to harsh industrial scenarios.
[0009] Due to the lack of wireless networking solutions that are sufficient to meet the needs of the scene, a considerable number of current industrial IoT applications are difficult to deepen

Method used

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  • A wide-area Internet of Things networking method and system supporting real-time reliable services
  • A wide-area Internet of Things networking method and system supporting real-time reliable services
  • A wide-area Internet of Things networking method and system supporting real-time reliable services

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Embodiment 1

[0070] A wide-area Internet of Things networking method and system that supports real-time and reliable services proposed by the present invention includes an IoT system constructed based on the method;

[0071] The IoT system includes three parts: IoT terminal nodes, IoT gateways and IoT cloud systems. Dual physical channels are used, and a medium access control mechanism, namely MAC mechanism, is designed on the two physical channels; the physical channel is an unlicensed ISM channel that meets the requirements of relevant national regulations; the channel uses a variety of different physical layer modulation techniques, including but not Limited to Chirp modulated LoRa channels and OFDM modulated channels.

[0072] It should be noted that the physical channel is a physical channel that meets the requirements of relevant national or international regulations, including but not limited to Sub-G channels with various modulation techniques, LoRa channels with Chirp modulation, ...

Embodiment 2

[0135] In the present invention, an IOT system is constructed based on the wide-area IoT networking method supporting real-time and reliable services described in Embodiment 1. The IOT system sets up gateways and terminal nodes.

[0136] Among them, the gateway and the terminal nodes within its coverage form a star topology, and the gateway is the center of the topology. A fully functional gateway must support two physical channels, the A channel and the T channel. The gateway divides the T channel according to the set time slot length, and uses the T channel according to the TDMA time division multiplexing method.

[0137] As part of the TDMA time-division multiplexing mechanism, the gateway needs to periodically use the T channel to send Beacon information. The Beacon enables end nodes to discover the network and perform time synchronization. Therefore, the gateway needs to encode network A+T channel composition information, time slot definition information, time synchron...

Embodiment 3

[0165] According to Embodiment 1, the network configuration further includes a cloud system, and the cloud system interacts with the business system.

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Abstract

A wide-area IoT networking method and system supporting real-time and reliable services, including an IoT system constructed based on the method; the IoT system includes three parts: an IoT terminal node, an IoT gateway, and an IoT cloud system. Dual physical channels are adopted, and a medium access control mechanism, namely MAC mechanism, is designed on the two physical channels. The physical channel is a license-free ISM channel that meets the requirements of relevant national regulations; the channel uses a variety of different physical layer modulation techniques, including but not limited to Chirp modulation LoRa channel and OFDM modulation channel. Among the two physical signals, one channel is the A channel, and the other channel is the T channel; the A channel and the T channel use different MAC mechanisms. The present invention is a wireless networking technology that is convenient to use, has commercial value, and can adapt to the stringent requirements of industrial scenarios, can improve the application status of the Industrial Internet of Things, and promote the further development of the Industrial Internet of Things in a broader and deeper direction.

Description

technical field [0001] The present invention relates to the technical field of the Internet of Things (IoT), in particular to a wide-area Internet of Things networking method and system supporting real-time and reliable services. Background technique [0002] The Internet of Things technology is building a new foundation for the production and life of human society. Today, from smart wearables, to smart homes, to smart cities, to Industry 4.0, many industries are developing in a more efficient, more convenient, and healthier direction, and IoT technology provides the technical foundation for all these changes. [0003] On the other hand, unlike the highly mature and highly unified Internet technology, the Internet of Things technology presents the characteristics of differentiation and sceneization in different industries and different scenarios. For example, wearable IoT and smart city IoT have huge differences in indicators such as power consumption, bandwidth, and covera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L29/06H04L29/08H04W74/08G16Y10/75
CPCH04L12/46H04L67/12H04L63/10H04W74/0808G16Y10/75
Inventor 龚理许国剑张亚顺郑邦才杨春宝燕奎张卫平
Owner 深圳市艾森智能技术有限公司
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