Low-Power Data Return Method for Strong Interference Power IoT

doi:10.11930/j.issn.1004-9649.202307015

Abstract

Abstract:

In the power Internet of Tings (IoT) scenarios, numerous devices and complex electromagnetic environment cause time-varying broadband strong interference to wireless data transmission of the sensor nodes. To address this issue, a low-power data return method is proposed. Through synchronous scheduling, distributed real-time narrowband interference monitoring, optimal channel data uploading etc., the probability of data collision under strong interference environment is greatly reduced and the communication capacity is improved, and the overall low-power characteristics of the system are guaranteed at the same time. The simulation results indicate that the proposed method shows a performance improvement of over two times in throughput compared to traditional methods. Additionally, the power consumption has also decreased by over 50%. In the whole, the proposed method greatly improves the communication capacity and reduces the power consumption.

Key words: strong interference, power IoT, low power consumption, synchronous system, narrowband communication

Zanhong WU. Low-Power Data Return Method for Strong Interference Power IoT[J]. Electric Power, 2024, 57(11): 191-198.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202307015

https://www.electricpower.com.cn/EN/Y2024/V57/I11/191

Figures/Tables 9

Fig.1 Schematic of broadband time-varying strong interference

Fig.2 Network structure of power IOT

Fig.3 Time slot and frequency band division

Fig.4 Overall communication procedures of the proposed system

Fig.5 Priority control information structure

Fig.6 Detailed interaction process between the base station and sensor node

Table 1 Simulation parameters

节点数量		数据信道总计带宽/ MHz		窄带数据带宽/ kHz		控制信道带宽/ kHz		节点最大发射功率/ dBm		强弱干扰功率门限/ dBm		控制信道时隙长度/ μs
1000		100000		128		100		20		10		10

Fig.7 Throughput comparison simulation

Fig.8 Power consumption comparison simulation

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