IoT Research

RFID Anti-Collision Protocols — IoT Research & Simulation

This project represents our lead engineer's Master's thesis research at Beijing Jiaotong University. The research focused on anti-collision protocols for RFID systems — a core challenge in IoT device communication. A mathematical model and MATLAB simulator were developed to examine Slotted ALOHA protocol behavior under interference conditions.

MATLABMathematical ModelingSimulationRFIDIoTSlotted ALOHA ProtocolSignal ProcessingStatistical Analysis
RFID Anti-Collision Protocols — IoT Research & Simulation

The Challenge

In IoT environments with multiple RFID tags, signal collisions between tags responding simultaneously to a reader cause data loss and inefficiency. The challenge was to model and simulate these collisions — including real-world interference from environmental factors.

Our Solution

We developed a mathematical model for Slotted ALOHA protocol behavior without interference, then extended it to account for environmental interference constraints. A MATLAB simulator was built to validate the mathematical models experimentally.

Impact

Results & Impact

Master's thesis accepted at Beijing Jiaotong University (2019)
Mathematical model validated against MATLAB simulation with matching results
Interference analysis demonstrated impact of environmental factors on RFID tag detection
Research contributed to 2 SCI-indexed journal publications
Foundation for NexGenix's IoT and connected systems engineering capabilities
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