Magnetoelectric dipole antenna dual-bandimplementation structure

A dipole antenna, dual-band technology, applied in the field of realization structure of magnetoelectric dipole antenna dual-band, can solve the problems of complex antenna structure and feeding network, increasing antenna size and volume, complex feeding network, etc. To achieve the effect of simple implementation process, simple structure, and easy engineering implementation

Pending Publication Date: 2020-12-11
TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Literature "A conformal magneto-electric dipole antenna with wide H-plane and band-notch radiation characteristics for sub-6-GHz 5G base-station (BotaoFeng; Kwok L. Chung; Jiexin Lai; and Qingsheng Zeng, IEEE Access , 2019, 7:17469-17479)" By adding magnetoelectric dipole pairs of different sizes, the dual-band operating characteristics of the antenna are realized, but the size and volume of the antenna are also increased
[0004] Literature "Dual-wideband dual-polarized magnetoelectric dipole antenna for 4G / 5G microcell base station (Congcong Zhu; Bin Wang, Wei Luo, Honggang Hao, and Ping Wang, Electronic Letters , 2020, 56(6): 269-271) "Using a Γ-shaped feeder with gradually changing width, a dual-band broadband magnetoelectric dipole antenna is designed, but the feeder network is relatively complicated
[0005] Literature "Dual-wideband magnetoelectric dipole antenna with directorloaded (Jun Tao, Quanyuan Feng, and Tao Liu, IEEE Antennas and Wireless Propagation Letters , 2018, 17(10): 1885–1889) "By adding antenna directors and additional electric dipoles, the designed magnetoelectric dipole antenna has dual-band broadband performance, but the antenna structure and feed network are relatively complex
[0006] In the current dual-band realization structure of the existing magnetoelectric dipole antenna, introducing an additional magnetoelectric dipole structure or changing the structure of the feed network is the main solution, but all of them increase the The space occupied by the antenna and the complexity of the structure

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Embodiment 1

[0028] The implementation structure of the dual frequency band of the magnetoelectric dipole antenna described in the present invention introduces a disturbance branch in the antenna feeder, such as figure 1 shown. 101 is the overall structure of the feeder, 102 is the added disturbance branch, the length D is one quarter of the wavelength in vacuum corresponding to the center frequency of the resulting stopband. The material of 101 is metal with a certain thickness, which can be finished by machining. In the magnetoelectric dipole antenna working in the microwave segment, it needs to be bent and added to the antenna, as shown in 103 .

[0029] Embodiment 1 of the realization structure of the dual frequency band of the magnetoelectric dipole antenna An overall structural diagram of the antenna is as follows figure 2 As shown, it consists of magnetoelectric dipole units 201 and 202 , feeder 203 , and ground plate 204 . Feeder 203 is figure 1 As shown in 103, the ground ...

Embodiment 2

[0034] Embodiment 2 of the realization structure of the dual frequency band of the magnetoelectric dipole antenna The overall structure diagram of the antenna is as follows Figure 5 As shown, it is composed of magnetoelectric dipole units 501, 502, 503 and 504, a feeder 513, a dielectric board 514 and a ground plane 515. The ground plane 515 is the copper-clad bottom surface of the dielectric board. The magnetoelectric dipole units 501, 502, 503 and 504 are located on the upper layer of the dielectric plate 514 and are copper foils, on which L-shaped slots 505, 506, 507 and 508 are respectively etched. 509, 510, 511 and 512 are four groups of metal The via holes are respectively connected to the magnetoelectric dipole of the upper layer and the ground plane of the lower layer. The excitation signal can be connected to the feeder 513 through a hole in the dielectric board 514 through the coaxial cable connector.

[0035] Embodiment 2 of the implementation structure of the dua...

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Abstract

The invention discloses a magnetoelectric dipole antenna dual-band implementation structure, and relates to the technical field of antennas. According to the implementation structure, a disturbance branch is added to a feeder line of the magnetoelectric dipole antenna, a stop band is generated in a working band of the antenna, and the original working band is divided into two parts, so that a dual-band effect is achieved. Due to the addition of the disturbance branch, the shape and the size of the original magnetoelectric dipole of the antenna are kept unchanged, and the original occupied space of the antenna is not changed. The size of the disturbance branch can be adjusted to meet the requirements of magnetoelectric dipole antennas of different frequency bands. The disturbance branch issimple in structure and simple and convenient in implementation process. According to the invention, double working bands of the magnetoelectric dipole antenna can be realized, and the antenna can beused in a microwave or millimeter wave application system.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a dual-band realization structure of a magnetoelectric dipole antenna, which can be applied to magnetoelectric dipole antennas of different working frequency bands. Background technique [0002] With the rapid development of wireless communication technology and the gradual application of 5G technology, the requirements for antenna design in communication systems are constantly increasing, and at the same time, many challenges are faced. As a broadband directional radiation antenna, the magnetoelectric dipole antenna exhibits many performance advantages for the needs of current communication systems. For different working frequency bands, the research of dual-band magnetoelectric dipole antennas has received more and more attention. How to meet the dual-band bandwidth requirements while taking into account the size and structure of the antenna is a key factor in the design of a...

Claims

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Application Information

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IPC IPC(8): H01Q5/20H01Q9/16
CPCH01Q9/16H01Q5/20
Inventor 孙程光冯立营
Owner TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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