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A multi-mode wireless communication terminal and communication method thereof

A technology of a wireless communication terminal and a communication method, which is applied in the field of multi-mode wireless communication terminals, can solve the problems of increasing the workload of maintenance personnel, failure information cannot be smoothly transmitted, and monitoring terminals lose monitoring, and achieves the effect of achieving comprehensive communication effects.

Active Publication Date: 2022-06-21
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the monitoring of overhead lines, the monitoring devices mostly use 4G communication. Under normal circumstances, 4G communication has the advantages of fast transmission rate, wide coverage, and high intelligent performance. However, in severe weather such as heavy rain, the effect of 4G communication is poor. , it is very likely that the information cannot be sent, and the system loses monitoring of the monitoring terminal
If a fault occurs at this time, the fault information will not be smoothly transmitted to the monitoring master station, resulting in unpredictable consequences
In addition, the energy consumption of 4G communication is relatively serious, which will increase the workload of maintenance personnel, but in fact, for some low-load, non-emergency data transmission, 2G and 3G communication can be used to meet the transmission requirements
[0005] Today is the era of rapid development of digital communication, and the demand for personalized and intelligent communication is increasing. Different wireless communication technologies have their own advantages and disadvantages, and the standards are quite different. At the same time, the functions of existing communication terminals are relatively single, which cannot meet Many professional fields have higher and higher requirements for communication functions, so multi-mode communication that can integrate the advantages of various communication systems is an inevitable development trend

Method used

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  • A multi-mode wireless communication terminal and communication method thereof
  • A multi-mode wireless communication terminal and communication method thereof
  • A multi-mode wireless communication terminal and communication method thereof

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Embodiment

[0021] Example: as figure 2 As shown, a multi-mode wireless communication terminal includes a central processing unit MCU, a GPS positioning module, a wireless communication integrated module and a sensor and a power supply module, and the GPS positioning module, the wireless communication integrated module and the sensor and the power supply module are all connected to the central processing unit MCU, wireless communication integrated module is equipped with NB-IoT module, LoRa module and 4G module, sensor is used to collect line information, line information includes electrical quantity parameters, environmental quantity parameters and terminal communication signal strength, the central processing unit MCU according to the collected electrical Quantitative parameters diagnose the importance of terminal data, diagnose the terminal communication environment according to the collected environmental parameters and terminal communication signal strength, the central processing un...

Embodiment 2

[0028] Example 2: as Figure 1-2 As shown in the figure, a communication method of a multi-mode wireless communication terminal is provided. 1 , Collect the transmit power P of the terminal B , noise variance R i , the transmission power P of the master station u , according to the channel coefficient h of the base station and the terminal i and the channel coefficient g between the master station and the terminal i (The default ideal state is 1. The ideal state is that the signal channel between the master station and the terminal has no external interference and interference from the channel itself. In this case, the channel coefficient gi is regarded as 1, but in practice, g i ∈ [0, 1], g i = 0 when there is no signal channel or communication between the main station and the terminal), after the weighting factor calculation, the communication environment factor K is obtained 1 ;Through the central processing unit MCU to diagnose the importance of the data collected by...

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Abstract

The invention discloses a multi-mode wireless communication terminal and a communication method thereof, comprising a central processing unit MCU, a GPS positioning module, a wireless communication integration module and a sensor, and the GPS positioning module, the wireless communication integration module and the sensor are all connected to the central processing unit MCU , the wireless communication integration module is equipped with NB-IoT module, LoRa module and 4G module, and the sensor is used to collect line information. The threshold value obtained by the weight algorithm set in the communication method of the present invention is used to determine the selection of the communication mode of the acquisition terminal, so as to adapt to the smooth transmission of terminal data under conditions such as different communication environments and the importance of data, and realize the comprehensive effect of communication. Optimization, stable real-time monitoring of distribution network monitoring system.

Description

technical field [0001] The invention relates to a multi-mode wireless communication terminal and a communication method thereof, belonging to the technical field of multi-mode wireless communication terminals. Background technique [0002] As an important part of the smart grid, the distribution network information acquisition system is an important part of the realization of the power grid construction. Distribution network information collection system can be divided into the following parts: client, electricity information collection system, communication channel, intelligent terminal, electricity site. However, as the most important power communication intelligent terminal in the distribution network information collection system, due to the single access network, network coverage, and network reliability, the power communication terminal has certain limitations. [0003] The power distribution system is huge, the power distribution line is relatively long, the communic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W88/06
CPCH04W88/06
Inventor 王林波杨凤生曾惜王元峰王冕王恩伟李倩王鲁平杨金铎刘畅王宏远
Owner GUIZHOU POWER GRID CO LTD
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