Antenna with high isolation and low cross polarization level, base station and terminal

A high isolation, antenna technology, applied in the field of communication, can solve the problems of the transmission power and the reception signal-to-noise ratio of the communication system, the deterioration of the isolation of the dual-polarized antenna, and the cross-polarization of the dual-polarized antenna, so as to reduce the energy coupling. phenomenon, improve product experience, and ensure the effect of transmitting power

Pending Publication Date: 2021-07-23
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when dual-polarized antennas are used, cross-polarization will occur, which will have a negative impact on the transmit power and receive signal-to-noise ratio of the communication system
At the same time, the isolation of dual-polarized antennas often deteriorates, which reduces the radiation energy of the antenna and is not conducive to signal propagation

Method used

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  • Antenna with high isolation and low cross polarization level, base station and terminal
  • Antenna with high isolation and low cross polarization level, base station and terminal
  • Antenna with high isolation and low cross polarization level, base station and terminal

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Embodiment Construction

[0044] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. Attached below by reference Figure 1-10 The described embodiments are exemplary and are intended to explain the application and not to be construed as limiting the application.

[0045] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "vertical", "horizontal", "away", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of description The present application and simplified descriptions do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus s...

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Abstract

The invention relates to an antenna with high isolation and low cross polarization level, a base station and a terminal. The antenna comprises at least one radiation layer, a feed layer and an aperture coupling layer arranged between the radiation layer and the feed layer, and the aperture coupling layer comprises a metal sheet. The metal sheet is provided with a first feed gap, a second feed gap and a middle gap, and the middle gap is located between the first feed gap and the second feed gap and located in a weak electric field area of the metal sheet. By arranging the middle gap between the first feed gap and the second feed gap of the metal sheet, the boundary condition of the antenna can be changed under the condition that the radiation electric field of the antenna is not changed due to the existence of the middle gap, so that on one hand, the current in the cross polarization direction generated on the antenna is weakened, and the cross polarization level is reduced; and on the other hand, the energy coupling phenomenon of the antenna is effectively weakened, so that the isolation of the antenna is remarkably improved.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to an antenna, a base station and a terminal with high isolation and low cross-polarization level. Background technique [0002] As the most front-end device in the communication system, the performance of the antenna directly affects the performance of the communication system. In recent years, due to its low call loss and interference, low requirements for erection and installation, and no need for land acquisition and tower construction, dual-polarized antennas have become a research hotspot. However, the cross-polarization phenomenon will occur when the dual-polarized antenna is used, which will have a negative impact on the transmit power and receive signal-to-noise ratio of the communication system. At the same time, the isolation of the dual-polarized antenna often deteriorates, which reduces the radiation energy of the antenna and is not conducive to si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/24H01Q1/38H01Q1/48H01Q1/50H01Q1/52H01Q9/04H01Q13/10H01Q21/24
CPCH01Q1/246H01Q1/38H01Q1/48H01Q1/50H01Q1/52H01Q9/0407H01Q13/10H01Q21/24H01Q9/0414H01Q9/0457H01Q9/0478H01Q1/243H01Q25/001H01Q15/24
Inventor 王咏超杨晓强缑城彭杰
Owner HUAWEI TECH CO LTD
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