Abstract
A radio-frequency identification antenna with a quasi-endfire radiation beam and a vertical polarisation is presented. A size-reduced magnetic dipole is used as the radiation source whose radiating waves are restricted by a dual-layer metasurface to propagate along the horizontal direction and result in an endfire pattern. Two vertical metal plates are placed at both ends to induce magnetic currents to realise the vertical polarisation. Based on the near-field power analysis, the proposed metasurface-covered endfire antenna, which is conformal to fit compactly into a drawer with little influence on the storage space, can be used for smart home and smart library systems, such as intelligent storage and reading.
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