Design of Electricity Consumption Information Acquisition System Based on LoRa and Lightweight 5G

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Integrated Circuits and Embedded Systems ›› 2022, Vol. 22 ›› Issue (5) : 4-8.

TECHNOLOGY TOPIC

An Liyuan^1,2, Ge Hongwu^1,2, Zhao Hua^1,2, Cheng Cheng^1,2, Fan Zhenqi^1,2, Zhao Zhenfei^1,2

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Abstract

In the paper,a power consumption information acquisition system based on LoRa networking and compatible with multiple communication protocols is designed.The gateway uses the domestic 5G module as the main control module to expand the design.By cutting the relevant frequency band and radio frequency path,the complexity of the device is reduced so that the application of lightweight 5G technology is realized.The proposed adaptive algorithm can reduce the power consumption of the system while ensuring the communication quality by adjusting the transmit power of the LoRa module.The test results show that the effective communication distance of the system can reach more than 8 km,which fully meets the needs of use.The tailored lightweight 5G gateway can still achieve more than 80% of the performance of industrial-grade 5G CPE under the condition that the cost is reduced by 60%,which has a good promotion and application prospect.

Key words

LoRa / lightweight 5G / transmit power adaptive / long-distance communication

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An Liyuan, Ge Hongwu, Zhao Hua, Cheng Cheng, Fan Zhenqi, Zhao Zhenfei. Design of Electricity Consumption Information Acquisition System Based on LoRa and Lightweight 5G[J]. Integrated Circuits and Embedded Systems. 2022, 22(5): 4-8

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