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用于土壤湿度自适应地下通信的小型化埋入式低频声驱动磁电天线。

Miniaturized buried low-frequency acoustically actuated magnetoelectric antenna for soil moisture adaptive underground communication.

作者信息

Chen Xi, Lü Xiaozhou, Zhang Weiqiang, Xue Chengming, Zhu Xiangwei, Bao Weimin

机构信息

School of Aerospace Science and Technology, Xidian University, Xi'an 710071, China.

School of Electronics and Communication Engineering, Sun Yat-sen University, Guangzhou 510275, China.

出版信息

iScience. 2024 Oct 11;27(11):111151. doi: 10.1016/j.isci.2024.111151. eCollection 2024 Nov 15.

DOI:10.1016/j.isci.2024.111151
PMID:39502288
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11536042/
Abstract

The low-frequency (LF) magnetoelectric (ME) antenna is promising for underground communication, especially in the Underground Internet of Things (UIoT). However, soil moisture and its variations significantly impact the data transmission rate and efficiency. Therefore, it is imperative to thoroughly investigate the communication characteristics of the ME antenna in soil environments with different humidity levels. This paper proposes a miniaturized LF ME antenna based on Terfenol-D/PZT/Terfenol-D layered structure. The proposed ME antenna can sense changes in the soil moisture without moving the wireless network sensor node while also enabling LF underground communication, which achieves soil moisture adaptive underground communication. It can operate continuously for an extended period under the set driving conditions (  = 152 mW). This research illuminates the potential of a miniaturized LF ME antenna for enabling adaptive underground wireless communication for soil moisture monitoring, which is expected to provide a new solution idea for the UIoT communication.

摘要

低频磁电（ME）天线在地下通信领域颇具前景，尤其是在地下物联网（UIoT）中。然而，土壤湿度及其变化会显著影响数据传输速率和效率。因此，深入研究ME天线在不同湿度水平土壤环境中的通信特性势在必行。本文提出了一种基于Terfenol-D/PZT/Terfenol-D层状结构的小型化低频ME天线。所提出的ME天线能够在不移动无线网络传感器节点的情况下感知土壤湿度变化，同时实现低频地下通信，从而实现土壤湿度自适应地下通信。在设定的驱动条件下（= 152 mW），它可以长时间连续运行。本研究揭示了小型化低频ME天线在实现用于土壤湿度监测的自适应地下无线通信方面的潜力，有望为地下物联网通信提供一种新的解决方案思路。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/bd6369f846aa/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/9531406261c3/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/2639ed5f690d/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/b3568204d6ec/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/8010c7f64f5d/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/6a54e58a9993/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/bd6369f846aa/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/9531406261c3/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/2639ed5f690d/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/b3568204d6ec/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/8010c7f64f5d/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/6a54e58a9993/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7a92/11536042/bd6369f846aa/gr5.jpg

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本文引用的文献

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A Multilayered Magnetoelectric Transmitter with Suppressed Nonlinearity for Portable VLF Communication.一种用于便携式甚低频通信的非线性抑制多层磁电发射器。
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A survey of mechanical antennas applied for low-frequency transmitting.
用于低频发射的机械天线调查。
iScience. 2022 Dec 20;26(1):105832. doi: 10.1016/j.isci.2022.105832. eCollection 2023 Jan 20.
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Recent Developments in Wireless Soil Moisture Sensing to Support Scientific Research and Agricultural Management.无线土壤湿度传感技术的最新进展，以支持科学研究和农业管理。
Sensors (Basel). 2022 Dec 13;22(24):9792. doi: 10.3390/s22249792.
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