IEICE TRANSACTIONS on Communications
Effect of Vegetation Growth on Radio Wave Propagation in 920-MHz Band
Summary :
To design a wireless sensor network for farms, it is necessary to understand and predict the effect of vegetation. In this study, the change in the propagation loss characteristics in 920-MHz band is examined during the growth of mulberry bushes. The received signal strength indicator (RSSI) is measured as a function of the distance between the transmitting antenna (Tx) and the receiving antenna (Rx) in a 50×50m mulberry field. The Tx and Rx are placed at a height of 1.5m. Moreover, the horizontal and vertical polarizations are measured and the differences are shown. Three empirical vegetation attenuation models are introduced, and the measured data have been fitted to each model. The results show that the non-zero gradient model is the best model at predicting the vegetation attenuation in a mulberry farm regardless of the polarization or mulberry growth. It is found that the attenuation dependence on the plant height is linear. Furthermore, the results have revealed that the horizontal polarization had about 1.5 times as large an effect on the vegetation attenuation as the vertical polarization.
- Publication
- IEICE TRANSACTIONS on Communications Vol.E99-B No.1 pp.81-86
- Publication Date
- 2016/01/01
- Publicized
- Online ISSN
- 1745-1345
- DOI
- 10.1587/transcom.2015ISP0021
- Type of Manuscript
- Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014)
- Category
- Antennas and Propagation
Authors
Masaki HARA
Kyoto Institute of Technology
Hitoshi SHIMASAKI
Kyoto Institute of Technology
Yuichi KADO
Kyoto Institute of Technology
Masatoshi ICHIDA
Kyoto Institute of Technology
Keyword
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Masaki HARA, Hitoshi SHIMASAKI, Yuichi KADO, Masatoshi ICHIDA, "Effect of Vegetation Growth on Radio Wave Propagation in 920-MHz Band" in IEICE TRANSACTIONS on Communications,
vol. E99-B, no. 1, pp. 81-86, January 2016, doi: 10.1587/transcom.2015ISP0021.
Abstract: To design a wireless sensor network for farms, it is necessary to understand and predict the effect of vegetation. In this study, the change in the propagation loss characteristics in 920-MHz band is examined during the growth of mulberry bushes. The received signal strength indicator (RSSI) is measured as a function of the distance between the transmitting antenna (Tx) and the receiving antenna (Rx) in a 50×50m mulberry field. The Tx and Rx are placed at a height of 1.5m. Moreover, the horizontal and vertical polarizations are measured and the differences are shown. Three empirical vegetation attenuation models are introduced, and the measured data have been fitted to each model. The results show that the non-zero gradient model is the best model at predicting the vegetation attenuation in a mulberry farm regardless of the polarization or mulberry growth. It is found that the attenuation dependence on the plant height is linear. Furthermore, the results have revealed that the horizontal polarization had about 1.5 times as large an effect on the vegetation attenuation as the vertical polarization.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2015ISP0021/_p
Copy
@ARTICLE{e99-b_1_81,
author={Masaki HARA, Hitoshi SHIMASAKI, Yuichi KADO, Masatoshi ICHIDA, },
journal={IEICE TRANSACTIONS on Communications},
title={Effect of Vegetation Growth on Radio Wave Propagation in 920-MHz Band},
year={2016},
volume={E99-B},
number={1},
pages={81-86},
abstract={To design a wireless sensor network for farms, it is necessary to understand and predict the effect of vegetation. In this study, the change in the propagation loss characteristics in 920-MHz band is examined during the growth of mulberry bushes. The received signal strength indicator (RSSI) is measured as a function of the distance between the transmitting antenna (Tx) and the receiving antenna (Rx) in a 50×50m mulberry field. The Tx and Rx are placed at a height of 1.5m. Moreover, the horizontal and vertical polarizations are measured and the differences are shown. Three empirical vegetation attenuation models are introduced, and the measured data have been fitted to each model. The results show that the non-zero gradient model is the best model at predicting the vegetation attenuation in a mulberry farm regardless of the polarization or mulberry growth. It is found that the attenuation dependence on the plant height is linear. Furthermore, the results have revealed that the horizontal polarization had about 1.5 times as large an effect on the vegetation attenuation as the vertical polarization.},
keywords={},
doi={10.1587/transcom.2015ISP0021},
ISSN={1745-1345},
month={January},}
Copy
TY - JOUR
TI - Effect of Vegetation Growth on Radio Wave Propagation in 920-MHz Band
T2 - IEICE TRANSACTIONS on Communications
SP - 81
EP - 86
AU - Masaki HARA
AU - Hitoshi SHIMASAKI
AU - Yuichi KADO
AU - Masatoshi ICHIDA
PY - 2016
DO - 10.1587/transcom.2015ISP0021
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E99-B
IS - 1
JA - IEICE TRANSACTIONS on Communications
Y1 - January 2016
AB - To design a wireless sensor network for farms, it is necessary to understand and predict the effect of vegetation. In this study, the change in the propagation loss characteristics in 920-MHz band is examined during the growth of mulberry bushes. The received signal strength indicator (RSSI) is measured as a function of the distance between the transmitting antenna (Tx) and the receiving antenna (Rx) in a 50×50m mulberry field. The Tx and Rx are placed at a height of 1.5m. Moreover, the horizontal and vertical polarizations are measured and the differences are shown. Three empirical vegetation attenuation models are introduced, and the measured data have been fitted to each model. The results show that the non-zero gradient model is the best model at predicting the vegetation attenuation in a mulberry farm regardless of the polarization or mulberry growth. It is found that the attenuation dependence on the plant height is linear. Furthermore, the results have revealed that the horizontal polarization had about 1.5 times as large an effect on the vegetation attenuation as the vertical polarization.
ER -
English
