研究目的
Investigating the reliability of chipless RFID tags wireless detection using an innovative reading procedure based on the Inverse Synthetic Aperture Radar technique.
研究成果
The integration of multiple readings greatly improves detection probability in noisy scenarios affected by a high level of clutter. Chipless tag readings performed in real environment indicated the superior performance with respect to the standard LOS measurement procedure.
研究不足
The background subtraction procedure is not feasible in the absence of movement, and the technique requires the tag to be moving along a known path.
1：Experimental Design and Method Selection:
The study employs an innovative reading procedure based on the Inverse Synthetic Aperture Radar (ISAR) technique for detecting moving chipless RFID tags.
2：Sample Selection and Data Sources:
A moving tagged item travelling along a known path is considered.
3：List of Experimental Equipment and Materials:
Chipless RFID tags based on a 3 bits high impedance surface installed on a plastic box filled with tape rolls.
4：Experimental Procedures and Operational Workflow:
The tag is moved along a straight trajectory with small steps of 1 cm, and the S11 of the antenna is acquired 49 times.
5：Data Analysis Methods:
The ISAR algorithm is applied to integrate the signals, and the phase of the integrated signal is computed.
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