期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 69, 期 1, 页码 25-34出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2020.3001434
关键词
5G; antenna; beamsteering; endfire antenna array; metallic rim; millimeter-wave (mm-wave) frequencies; mobile phone
资金
- Huawei Technologies Finland
- Aalto ELEC Doctoral School
- Finnish Foundation for Technology Promotion
- Nokia Foundation
This article presents a dual-polarized endfire antenna array for millimeter-wave frequencies, which is fed using a transmission line and shows excellent performance in a mobile phone. The antenna allows for colocating sub-6 GHz and mm-wave antennas in the same metal frame, with a realized gain of 8 to 12.6 dBi and total efficiency better than -2 and -3 dB for horizontal and vertical polarizations across the entire band.
This article describes a dual-polarized endfire antenna array for millimeter-wave (mm-wave) frequencies. The antenna consists of a chain-slot-shaped pattern on a mobile phone metal frame. The antenna is fed using a transmission line, which would cause only a negligible capacitive loading of the sub-6 GHz antenna realized on the same metal frame and, therefore, would not significantly degrade its performance. This makes colocating the sub-6 GHz and mm-wave antennas in the same, shared volume possible. Measurements indicate that a four-element array placed within a mobile phone provides a realized gain between 8 and 12.6 dBi for both polarizations across the entire band from 24.5 to 29.5 GHz. The total efficiency of a single element is better than -2 and -3 dB for the whole band for horizontal and vertical polarizations, respectively.
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