Subsurface MIMO: A Beamforming Design in Internet of Underground Things for Digital Agriculture Applications
In underground (UG) multiple-input and multiple-output (MIMO), transmit beamforming is used to focus energy in the desired direction. There are three different paths in the underground soil medium through which the waves propagate to reach the receiver. When the UG receiver receives a desired data s...
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-08-01
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| Series: | Journal of Sensor and Actuator Networks |
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| Online Access: | https://www.mdpi.com/2224-2708/8/3/41 |