Design of high-precision IoT altimeter using LTE-Cat.1 communication

ZHENG Junhua; ZHENG Yawei

doi:10.20193/j.ices2097-4191.2024.02.014

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Integrated Circuits and Embedded Systems ›› 2024, Vol. 24 ›› Issue (2) : 96-100. DOI: 10.20193/j.ices2097-4191.2024.02.014

Research Paper

Design of high-precision IoT altimeter using LTE-Cat.1 communication

ZHENG Junhua ¹^,^* ,
ZHENG Yawei ²

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Abstract

In the traditional remote measurement technology based on the Internet of Things,there are many problems such as the measurement accuracy and sensor cost cannot be balanced,the real-time data update is not good,and the communication cost is too high.Based on this problem,a data acquisition scheme is proposed,which uses software algorithms to achieve high precision.At the same time,LTE-Cat-1 is used as the data communication method to transmit data to remote cloud servers and terminals.The program is applied to the remote altitude measurement.After rigorous calculation and test verification,the absolute error of the measurement is less than 5 meters,the relative error is less than 0.5%,the stability of data transmission is high,and the real-time transmission can be controlled to less than 1 second.Internally,the cost of communication is taken into account at the same time.When the data upload frequency reaches 1 time/s,the data flow can be controlled at 600 KB/h,which meets the requirements of high precision,low cost,high real-time performance and stability of the system.

Key words

IoT / sensor / remote measurement / LTE-Cat.1

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ZHENG Junhua , ZHENG Yawei. Design of high-precision IoT altimeter using LTE-Cat.1 communication[J]. Integrated Circuits and Embedded Systems. 2024, 24(2): 96-100 https://doi.org/10.20193/j.ices2097-4191.2024.02.014

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