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RFID Adaptive Parallel Response Collision Tree Algorithm Based on Lock-Bit.

Xuan Luo^1,2, Xiaolin Jia^1,2, Yajun Gu^1,2

¹School of Computer Science and Technology, Southwest University of Science and Technology, Mianyang 621010, China.

Sensors (Basel, Switzerland)

|January 23, 2024

Summary

This summary is machine-generated.

The new Lock-Position-Based RFID Adaptive Parallel Collision Tree (LAPCT) algorithm significantly enhances radio-frequency identification (RFID) by reducing time slots and communication complexity for multiple tags.

Keywords:

adaptive strategy anti-collision collision tree lock-bit radio frequency identification

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Area of Science:

Computer Science
Electrical Engineering
Information Technology

Background:

Collision tree algorithms for RFID tag identification often require excessive time slots.
High communication complexity between readers and multiple tags is a persistent challenge.

Purpose of the Study:

To introduce the Lock-Position-Based RFID Adaptive Parallel Collision Tree (LAPCT) algorithm.
To address inefficiencies in multiple RFID tag identification processes.

Main Methods:

Employs a single-query, multiple-response mechanism.
Dynamically divides response sub-cycle numbers using an adaptive strategy.
Utilizes Manchester encoding to lock collision positions and generate a common query prefix.

Main Results:

Achieves up to a 37% reduction in total time slots.
Demonstrates up to a 30% improvement in recognition efficiency.
Reduces communication complexity by up to 90%.

Conclusions:

The LAPCT algorithm enhances RFID multiple tag recognition efficiency.
Its performance advantages increase with a larger number of tags, suitable for large-scale scenarios.