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Updated: May 14, 2026
04:13
Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults
Published on: February 8, 2019
Standalone RFID Access Control System with Data-Integrity Verification Capabilities
Valentin Popa1,2, Adrian I Petrariu1,2, Partemie M Mutescu1
1Computers, Electronics and Automation Department, Stefan cel Mare University of Suceava, 720229 Suceava, Romania.
Sensors (Basel, Switzerland)
|May 13, 2026
Summary
A new decentralized access control system prevents unauthorized building entry. It uses clone-detection and data-integrity verification with RFID cards, ensuring enhanced security without central server reliance.
Area of Science:
- Computer Science
- Electrical Engineering
- Security Systems
Background:
- Access control systems are crucial for institutional security.
- Current systems predominantly use centralized architectures.
- Biometric and RFID technologies are common in commercial access control.
Purpose of the Study:
- To present a novel decentralized access control system.
- To introduce clone-detection and data-integrity verification mechanisms.
- To offer a secure alternative to centralized systems.
Main Methods:
- Developed a decentralized architecture with hardware-encoded location.
- Implemented a confidential RFID card data integrity algorithm using card data and UID.
- Utilized checksum validation for RFID card data integrity.
Main Results:
- The system effectively detects unauthorized modifications to RFID card data.
- Any data alteration invalidates the card, blocking building access.
- The system demonstrated reliable operation over a one-year testing period.
Conclusions:
- The proposed decentralized system offers robust security and data integrity.
- Hardware-level reconfiguration simplifies system deployment.
- The system provides a secure and effective access control solution.
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