28 GHz 5G OTA Test Using Optically-transparent Reflective Surface Fabricated by Electroforming
2022 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP)(2022)
摘要
This paper validates the feasibility of deploying passive reflective surfaces to eliminate the radio shadowing regions in mmWave (28 GHz) fifth-generation (5G) wireless communications. The proposed optically-transparent reflective surface is fabricated by an electroforming process. To confirm the performance of the proposed reflective surface, the radiation pattern is measured in a far-field chamber. In addition, 5G real-time over-the-air (OTA) tests are implemented. Through single-tone and error vector magnitude (EVM) OTA measurements, the received power, EVM, and link throughputs are measured. As a result, radio shadowing regions are diminished in a non-line-of-sight (NLOS) path by approximately 15 dB through the deployment of the proposed optically transparent reflective surface.
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关键词
mmWave, 5G over-the-air test, reflective surface, electroforming, optical transparency
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