Wireless terminal equipment based on 4G network and wireless data transmission method

A technology of wireless terminal and remote terminal equipment, applied in the field of 4G network wireless data transmission, can solve the problems of large delay, slow rate and small data volume of DTU data transmission, and achieve wide coverage, low delay and large data volume. Effect

Pending Publication Date: 2020-06-02
GUANGZHOU XINGYI ELECTRONICS TECH CO LTD
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Problems solved by technology

[0005] In order to solve the problems of traditional DTU data transmission with large delay, slow rate, and small data volume, the present inventi...

Method used

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  • Wireless terminal equipment based on 4G network and wireless data transmission method

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Embodiment

[0022] A wireless terminal device based on 4G network, its structural diagram is as attached figure 1 As shown, it mainly includes the following parts: LTE module, STM32 microcontroller, power module, RS232 serial port, RS485 serial port, status indicator, button, SIM card slot, suction cup antenna, USB interface and shell. Among them, the LTE module is powered by the power module, and the LTE module is connected to the SIM card slot to communicate with the inserted SIM card to realize registration, authentication and 4G Internet access functions. The LTE module needs to be connected to the suction cup antenna to ensure stable signal quality. The USB interface of the LTE module connection provides an interface for the RNDIS wireless network card function of the 4G DTU. The connection between the LTE module and the status indicator is used to indicate the working status of the LTE module and network connection information. The STM32 microcontroller is connected to the LTE module...

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Abstract

The invention belongs to the technical field of 4G network wireless data transmission, and discloses wireless terminal equipment based on a 4G network and a wireless data transmission method. A TCP/UDP/HTTP/MQTT/RNDIS/NTP protocol is embedded in the 4G DTU of the wireless terminal device. Seven working modes are provided, which are an HTTP transparent transmission mode, an MQTT transparent transmission mode, an AliCloud transparent transmission mode, a Baidu cloud transparent transmission mode, a One NET transparent transmission mode and an RNDIS wireless network card mode; the remote terminalequipment can flexibly select the working modes to carry out equipment networking so as to meet the requirements of various application scenes.

Description

technical field [0001] The invention belongs to the technical field of 4G network wireless data transmission, and in particular relates to a 4G network-based wireless terminal device and a wireless data transmission method. Background technique [0002] With the continuous progress and development of science and technology, the Internet of Things (The Internet of Things, referred to as IoT) technology rises, traditional industrial equipment has higher and higher demand for networking, DTU (Data Transfer unit, that is, data transmission unit) It is a wireless terminal device specially used to convert serial data into IP data or convert IP data into serial data for transmission through a wireless communication network. However, the existing DTUs are based on 2G or 3G networks, and the data transmission delay is large and the speed is high. Slow and small amount of data, it seems that it can no longer keep up with the needs of the development of the Internet of Things. [0003...

Claims

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Application Information

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IPC IPC(8): H04W88/02H04L29/08H04L29/06
CPCH04W88/02H04L67/34H04L67/02H04L69/16
Inventor 涂磊
Owner GUANGZHOU XINGYI ELECTRONICS TECH CO LTD
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