Antenna device, antenna device array and base station

By adopting the design of back cavity grounding and multi-layer printed circuit board, the structure of the antenna equipment is simplified, the problems of equipment complexity and signal interference in the prior art are solved, and compact and efficient multi-band signal transmission is achieved.

CN115552722BActive Publication Date: 2024-12-20HUAWEI TECH CO LTD
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Patent Information

Application Number
CN202080100568.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-05-14
Publication Date
2024-12-20
Estimated Expiration
2040-05-14

AI Technical Summary

Technical Problem

The existing antenna equipment has complex structure and high manufacturing complexity. It is difficult to support multi-band operation without increasing the number and size of the equipment, and there is a problem of signal interference.

Method used

A compact antenna device is designed, adopting a back cavity grounding structure and a multi-layer printed circuit board. The structure is simplified by discontinuous grooves and brackets, reducing the complexity and interference of the feeder, and realizing interference-free signal transmission in multiple frequency bands.

Benefits of technology

It achieves lower structural and manufacturing complexity, supports multi-band operation without reducing performance, simplifies the design and manufacturing of antenna equipment, reduces interference, and improves overall efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN115552722B_ABST
    Figure CN115552722B_ABST
Patent Text Reader

Abstract

The antenna device includes a first feeding node and a second feeding node, a bottom layer arranged as a cavity-back ground, and an intermediate layer arranged above the bottom layer. The first feeding line and the third feeding line of the intermediate layer are electrically connected to the first feeding node, and the second feeding line and the fourth feeding line of the intermediate layer are electrically connected to the second feeding node. The antenna device also includes a top layer arranged above the intermediate layer. The top layer has four slots, wherein a portion of the first slot, a portion of the second slot, a portion of the third slot, and a portion of the fourth slot overlap with a portion of the first feeding line, a portion of the second feeding line, a portion of the third feeding line, and a portion of the fourth feeding line, respectively. The radiator is arranged above the top layer at a certain distance from the top layer.
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Citation Information

Patent Citations

  • Wideband radiating elements

    AU2011201657A1

  • Dual-polarized microstrip slot antenna for LTE frequency band

    CN105449356A

  • Back cavity slot-coupling patch antenna

    CN109672021A

  • Dual-band antenna element and base station

    CN110235306A

  • Dual hybrid-fed patch element for dual band circular polarization radiation

    US6424299B1