Internet-of-things data transmission method based on NB-IoT technology

A data transmission method and technology of the Internet of Things, applied in the field of instrument data transmission, can solve problems such as transmission failure

Pending Publication Date: 2018-02-09
GOLDCARD HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to provide a data transmission method for the Internet of Things based on NB-IoT technology, and solve the technical problem in the prior art that when the data length of the transmitted data exceeds the maximum transmission data length, the transmission will fail

Method used

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  • Internet-of-things data transmission method based on NB-IoT technology
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  • Internet-of-things data transmission method based on NB-IoT technology

Examples

Experimental program
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Effect test

Embodiment 1

[0046] The present invention provides a data transmission method of the Internet of Things based on NB-IoT technology. When the NB-IoT module pre-reports data to the application server, it judges whether the data needs to be divided into frames. figure 1 Steps shown:

[0047] Step S11: The NB-IoT module splits the data into several data frames;

[0048] Step S12: The NB-IoT module transmits the data frame frame by frame to the application server through the IoT platform;

[0049] Step S13: The application server merges the data frames after receiving all the data frames.

[0050] When the data needs to be divided into frames, the NB-IoT module splits the data into several data frames to meet the length requirements of the NB-IoT transmission data. After the data frames are transmitted to the application server, the application server merges the data. Furthermore, it overcomes the technical problem of transmission failure in the prior art when the data length of the transmitt...

Embodiment 2

[0074] An IoT data transmission method based on NB-IoT technology. When the application server issues instructions to the NB-IoT module, it is judged whether the data needs to be divided into frames. If the data needs to be divided into frames, the following steps are executed: image 3 Steps shown:

[0075] Step S21: The application server splits the data into several data frames;

[0076] Step S21: The application server transmits the data frame frame by frame to the NB-IoT module through the IoT platform;

[0077] Step S22: The NB-IoT module combines the data frames after receiving all the data frames.

[0078] When the data needs to be divided into frames, the application server splits the data into several data frames to meet the length requirements of NB-IoT transmission data. After the data frames are transmitted to the NB-IoT module, the NB-IoT module merges the data , and then overcome the technical problem that the transmission failure will occur when the data leng...

Embodiment 3

[0102] Taking the method of the present invention applied to the gas remote meter reading system as an example for further elaboration:

[0103] The gas remote meter reading system collects the readings of the gas meter through the metering unit, and the meter end summarizes data such as metering, valves, and meter status, and connects to the Internet through the NB-IoT module to transmit the data to the server; after the server settles, the remaining amount and real-time unit price It is transmitted to the meter end to achieve the purposes of remote meter reading, real-time adjustment of tiered gas prices, remote valve control, and big data collection and analysis.

[0104] The data transmission process is as follows:

[0105] When the NB-IoT module pre-reports data to the application server, it judges whether the data needs to be divided into frames. If the data needs to be divided into frames, perform the following steps:

[0106] Step S11: The NB-IoT module splits the dat...

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Abstract

The aim of the invention is to provide an Internet-of-things (IoT) data transmission method based on an NB-IoT (Narrow Band Internet of Things) technology to solve the technical problem that transmission failure is caused when the data length of data transmitted exceeds the maximum transmitted data length in the prior art. When an NB-IoT module pre-reports data to an application server, if the data needs to be framed, the following steps are executed: the data is split into a plurality of data frames; the data frames are transmitted frame by frame to the application server through an IoT platform; and the application server receives all the data frames and then combines the data frames. When the application server sends an instruction to the NB-IoT module, if the data needs to be framed, the following steps are executed: the data is split into a plurality of data frames; the data frames are transmitted frame by frame to the NB-IoT module through the IoT platform; and the NB-IoT modulereceives all the data frames and then combines the data frames. Through data framing and combining, effective transmission of data is ensured.

Description

technical field [0001] The invention relates to a method for transmitting instrument data, in particular to a method for transmitting data of the Internet of Things based on NB-IoT technology. Background technique [0002] With the advancement of science and technology, the gasification project is developing rapidly. The gas metering is mainly carried out by the gas meter at present. The IoT gas meter based on GPRS is one of the emerging products. Due to the large power consumption of GPRS technology, the network coverage of typical scenarios is insufficient. And factors such as the inability to exist for a long time make its development have certain limitations. The invention with publication number CN205451458U discloses a gas metering device based on NB-IoT. The gas metering device includes an electronic counting device, an NB-IoT module and a microprocessor. The electronic counting device, NB-IoT module At the same time, it is connected with the microprocessor; the elec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L63/0428H04L67/02H04L67/108H04L69/163
Inventor 王鹏飞孟照坤丁渊明
Owner GOLDCARD HIGH TECH
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