目的 针对物流仓储管理中对高可靠性识别的需求,利用高频（HF）RFID电磁耦合原理避免超高频（UHF）的多径干扰,并解决其单天线方案的读写盲区问题。方法 采用基于近场波束成形的双发射天线设计,通过优化驱动信号相位差并引入交替调控机制,以最大化标签接收能量。结果 测试数据显示,所设计的双发射天线可在360°空间范围内形成较强的磁场分布,并在所有测试角度均保障了标签的稳定读取。结论 与传统单天线方案相比,本文所提出的双发射天线结构显著提高了高频RFID系统的识别可靠性,在大量智能包装的物流仓储管理通道门系统中具有良好的应用前景。
Abstract
To meet the requirement for high-reliability identification in logistics and warehouse management, the work aims to leverage the electromagnetic coupling principle of high-frequency (HF) RFID to avoid multipath interference common in Ultra-High-Frequency (UHF) systems, while simultaneously solving the reading blind spots inherent in its single-antenna scheme. A dual-transmit antenna design based on near-field beamforming was adopted. By optimizing the phase difference of the drive signals and introducing an alternating control mechanism, the energy received by the tags was maximized. Test data indicated that the designed dual-transmit antenna could generate a strong magnetic field distribution across a 360° spatial range, ensuring stable tag reading at all tested angles. Compared with traditional single-antenna schemes, the proposed dual-transmit antenna structure significantly improves the identification reliability of HF RFID systems and demonstrates promising application prospects in gateway systems for large-scale intelligent packaging logistics and warehouse management.
关键词
无线射频识别技术（RFID） /
仓储物流管理 /
通道门 /
全向性天线
Key words
radio frequency identification (RFID) /
warehouse logistics management /
gateway /
omnidirectional antenna
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基金
湖北省自然科学基金项目（2025AFB678）
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