ArticleSensors (Basel, Switzerland)2019
Meander-Line Slot-Loaded High-Sensitivity Microstrip Patch Sensor Antenna for Relative Permittivity Measurement.
Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- High sensitivity differential microwave sensor based on SIW technology for measuring the permittivity and thickness of the solid materials.Scientific reports · 2026Article
- Planar Microwave Sensing Technology for Soil Monitoring.Sensors (Basel, Switzerland) · 2026Review
- High-Sensitive Microwave Humidity Sensor Using Polyvinyl Alcohol/Carboxymethyl Cellulose (PVA/CMC) Composites.Sensors (Basel, Switzerland) · 2026Article
- Microwave-sensor-node integrated into a short-range wireless sensor network.Scientific reports · 2023Article
- High-Sensitivity Slot-Loaded Microstrip Patch Antenna for Sensing Microliter-Volume Liquid Chemicals with High Relative Permittivity and High Loss Tangent.Sensors (Basel, Switzerland) · 2022Article
- Microfluidic Microwave Sensor Loaded with Star-Slotted Patch for Edible Oil Quality Inspection.Sensors (Basel, Switzerland) · 2022Article
- Patch antenna sensor for wireless ice and frost detection.Scientific reports · 2021Article
- Design of a High-Sensitivity Microstrip Patch Sensor Antenna Loaded with a Defected Ground Structure Based on a Complementary Split Ring Resonator.Sensors (Basel, Switzerland) · 2020Article
- CSRR-Based Microwave Sensor for Dielectric Materials Characterization Applied to Soil Water Content Determination.Sensors (Basel, Switzerland) · 2020Article
- Meander-Line Slot-Loaded High-Sensitivity Microstrip Patch Sensor Antenna for Relative Permittivity Measurement.Sensors (Basel, Switzerland) · 2019Article
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Authors and funding
2 authors.
Funding
Abstract
A high-sensitivity microstrip patch sensor antenna (MPSA) loaded with a meander-line slot (MLS) is proposed for the measurement of relative permittivity. The proposed MPSA was designed by etching the MLS along the radiating edge of the patch antenna, and it enhanced the relative permittivity sensitivity with an additional effect of miniaturization in the patch size by increasing the slot length. The sensitivity of the proposed MPSA was compared with that of a conventional rectangular patch antenna and a rectangular slit (RS)-loaded MPSA, by measuring the shift in the resonant frequency of the input reflection coefficient. Three MPSAs were designed and fabricated on a 0.76 mm-thick RF-35 substrate to resonate at 2.5 GHz under unloaded conditions. Sensitivity comparison was performed by using five different standard dielectric samples with dielectric constants ranging from 2.17 to 10.2. The experiment results showed that the sensitivity of the proposed MPSA is 6.84 times higher for a low relative permittivity of 2.17, and 4.57 times higher for a high relative permittivity of 10.2, when compared with the conventional MPSA. In addition, the extracted relative permittivity values of the five materials under tests showed good agreement with the reference data.
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Registered trials
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