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A Survey on Battery-Less RFID-Based Wireless Sensors.
Nabil Khalid1, Rashid Mirzavand1, Ashwin K Iyer2
1Intelligent Wireless Technology Lab., University of Alberta, Edmonton, AB T6G 2R3, Canada.
Micromachines
|August 6, 2021
Summary
This survey explores battery-less Radio Frequency Identification (RFID) wireless sensors, detailing their components, topologies, and implementations. It analyzes factors affecting read range and discusses future advancements in RFID sensor technology.
Area of Science:
- Electrical Engineering
- Computer Science
- Sensor Technology
Background:
- Radio Frequency Identification (RFID) technology has evolved significantly.
- The integration of RFID with wireless sensing capabilities has led to battery-less wireless sensors.
- These sensors offer unique advantages in various applications due to their self-powered nature.
Purpose of the Study:
- To provide a comprehensive survey of battery-less RFID-based wireless sensors.
- To discuss the evolution from traditional RFID to advanced wireless sensors.
- To analyze the components, topologies, and implementations of these sensors.
Main Methods:
- Review of existing literature and state-of-the-art implementations.
- Analysis of the fundamental components of battery-less RFID wireless sensors.
- Examination of five key topologies for transforming RFID chips into wireless sensors.
Main Results:
- Detailed discussion on how sensor components influence read range.
- Evaluation of how different topologies optimize read range, complexity, and cost.
- Presentation of current implementations and their performance characteristics.
Conclusions:
- Battery-less RFID wireless sensors represent a significant advancement in sensing technology.
- Optimizing read range, cost, and complexity is crucial for practical applications.
- Future research directions aim to further enhance the capabilities and performance of these sensors.
