Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...
Microbial Biosensors01:17

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The 2026 global roadmap for textile-integrated wearable technologies in health.

Physiological measurement·2026
Same author

Improved Polymer Membrane for Textile Zinc-Ion Capacitor.

Polymers·2025
Same author

Solution-Processed Diode-Like ZnO Nanoparticle Device with Tunable Threshold Voltage and Super-Nernstian Ion Sensitivity.

Small (Weinheim an der Bergstrasse, Germany)·2025
Same author

Large-Area Conductor-Loaded PDMS Flexible Composites for Wireless and Chipless Electromagnetic Multiplexed Temperature Sensors.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

E-Textiles for Sports and Fitness Sensing: Current State, Challenges, and Future Opportunities.

Sensors (Basel, Switzerland)·2024
Same author

Wide-range soft anisotropic thermistor with a direct wireless radio frequency interface.

Nature communications·2024

Related Experiment Video

Updated: Jun 27, 2026

Light Spot-Based Assay for Analysis of Drosophila Larval Phototaxis
07:16

Light Spot-Based Assay for Analysis of Drosophila Larval Phototaxis

Published on: September 27, 2019

6.4K

Battery-Free Wireless Light-Sensing Tag Based on a Long-Range Dual-Port Dual-Polarized RFID Platform.

Mahmoud Wagih1,2, Alex S Weddell1, Steve Beeby1

  • 1School of Electronics and Computer Science, University of Southampton, Southampton SO17 1BJ, UK.

Sensors (Basel, Switzerland)
|July 9, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces a novel dual-port Radio Frequency Identification (RFID) sensing tag. This innovative wireless sensor tag achieves a record 14m read range and demonstrates reliable light sensing, overcoming environmental interference.

Keywords:
Internet of ThingsRFIDantennasdifferential RFIDimpedance matchinglight sensingmicrostrip antennasmulti-port RFIDpatch antennaswireless sensor node

More Related Videos

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver
08:25

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Published on: August 27, 2021

2.7K
Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible
14:44

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible

Published on: May 13, 2025

1.1K

Related Experiment Videos

Last Updated: Jun 27, 2026

Light Spot-Based Assay for Analysis of Drosophila Larval Phototaxis
07:16

Light Spot-Based Assay for Analysis of Drosophila Larval Phototaxis

Published on: September 27, 2019

6.4K
Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver
08:25

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Published on: August 27, 2021

2.7K
Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible
14:44

Harmonic Radar Tags for Insect Tracking: Lightweight, Low-cost, and Accessible

Published on: May 13, 2025

1.1K

Area of Science:

  • Electrical Engineering
  • Wireless Communication
  • Sensor Technology

Background:

  • Radio Frequency Identification (RFID) is a key technology for passive wireless sensing.
  • Differential multi-port RFID systems are crucial for accurate measurements and mitigating channel variations.
  • Existing systems face limitations in range and robustness in diverse deployment scenarios.

Purpose of the Study:

  • To develop and characterize a novel dual-port/dual-integrated circuit (IC) RFID sensing tag.
  • To demonstrate differential sensing capabilities using a shared aperture dual-polarized antenna.
  • To achieve long read range and robustness against deployment environments and channel variations.

Main Methods:

  • Design of a dual-polarized microstrip antenna with a shared aperture.
  • Integration of two independent ICs for differential sensing, one modulated by a sensor and the other as a reference.
  • Loading the tag with a light-dependent resistor (LDR) to create a wireless light sensor.
  • RF characterization of the LDR and analysis of Received Signal Strength Indicator (RSSI) modulation.

Main Results:

  • The 868 MHz tag achieved a minimum unloaded read range of 14 meters, the longest reported for multi-port RFID sensing tags.
  • The tag demonstrated robustness, maintaining performance when deployed on metal or lossy objects.
  • Modulation of the sensing IC's RSSI by light intensity was observed, while the reference IC remained largely unaffected.
  • Successful demonstration of a battery-less wireless RFID light sensor functionality.

Conclusions:

  • The proposed dual-port RFID tag enables robust, differential wireless sensing.
  • The polarization-diversity antenna design contributes to channel variation tolerance.
  • This technology holds significant potential for advanced battery-less sensing applications.