Broadband Filtering Magnetoelectronic Dipole Antenna With Quasi-Elliptic Gain Response

Wei, Zhaohui; Zhou, Zhao; Tang, Ziyue; Yin, Jia Yuan; Ren, Jian; Yin, Yingzeng

doi:10.1109/tap.2019.2944540

Cited by 48 publications

(14 citation statements)

References 30 publications

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“…After the metal post is changed to shorting patches, ME-dipole produces an intrinsic radiation null at low frequency due to the change of its equivalent transmission line model. 23 The introduction of this radiation null can reduce the complexity of antenna design. Figure 6 depicts the realized gains with different lengths of patch H. It can be seen that when H increases, only Null 2 move to lower frequency, but the position of Null 1 and Null 3 will not be affected.…”

Section: Principle Of Nullmentioning

confidence: 99%

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A broadband dual‐polarized magnetoelectric dipole filtering antenna

Cao

Ren

et al. 2022

Int J RF Mic Comp-Aid Eng

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A broadband dual-polarized magnetoelectric (ME) dipole filtering antenna is investigated in this letter. The antenna is composed of radiation patches, vertical shorting patches, feed microstrip lines and a ground plane. By properly changing the length of the feeding microstrip line, a radiation null is generated at upper passband edge. On the other hand, by nesting a parasitic patch inside the radiation patch, another radiation null is introduced into the upper passband edge successfully. The utilization of the inherent lower passband edge radiation null of ME-dipole and the introduction of the aforementioned two radiation nulls make the antenna obtain a good filtering response. For verification, a prototype is designed, fabricated, and relevant measurements are obtained, which agree well with the simulated ones. The measured results show that the antenna achieves a relative bandwidth of 71.4% (2.7-5.7 GHz) and the out of band rejection level is higher than 13.36 dB. Moreover, the antenna has a peak-realized gain of 8.43 dBi and stable radiation patterns are obtained in the whole passband.

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Section: Principle Of Nullmentioning

confidence: 99%

“…After the metal post is changed to shorting patches, ME‐dipole produces an intrinsic radiation null at low frequency due to the change of its equivalent transmission line model 23 . The introduction of this radiation null can reduce the complexity of antenna design.…”

Section: Working Principle Analysismentioning

confidence: 99%

A broadband dual‐polarized magnetoelectric dipole filtering antenna

Cao

Ren

et al. 2022

Int J RF Mic Comp-Aid Eng

Self Cite

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show abstract

“…The attention is warranted because the ME dipole antenna possesses the excellent features of a wide impedance bandwidth, a high gain, and especially nearly identical polarized Eand H-plane radiation patterns with low cross-polarization [2], [3]. Numerous ME dipole antennas have been demonstrated for variety of applications on both the microwave and millimeter-wave bands, including broadband/multiband designs [4], [5], linearly polarized (LP) designs [6]- [8], dual-polarized designs [9], [10], and circularly polarized (CP) designs [11]- [14], among others. Among these different types of antennas, CP antennas are preferred owing to their superior ability to reduce the detrimental influence of multi-path interference and mitigate the polarization mismatch between the transmitting and receiving antennas [15], [16].…”

Section: Introductionmentioning

confidence: 99%

Low-Profile and Wideband Circularly Polarized Magneto-Electric Dipole Antenna Excited by a Cross Slot

et al. 2022

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“…A compact dual-polarized antenna can achieve antenna filtering performance by integrating filtering Balun. 9,10 Magnetoelectric dipole with wide bandwidth, [11][12][13] stable gain, low profile, and so forth. The filtering effect can be achieved without increasing the size of antenna by introducing a filtering structure on the ground plane, 14 but it requires a relatively larger ground or a complex feed structure.…”

Section: Introductionmentioning

confidence: 99%

A broadband compact filtering antenna for sub‐6 GHz base station applications

Zhang

Jia

Sun

et al. 2022

Int J RF Mic Comp-Aid Eng

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A compacted dual-polarized base station antenna with filtering characteristics and enhanced broadband is proposed for sub-6 GHz applications in this letter.The lower stopband radiation null is thus generated by the parasitic loops on the back of the substrate. In order to achieve the filtering response and extend the bandwidth of at the upper edge of the passband, a split strip-type dipole arm is added to the inner part of the annular dipole to form the radiation null.On the flip side, by changing the shape of the Balun ground, another filtering null is generated at the upper-band to suppress the second harmonic, achieving better broadband suppression performance. The experimental results show that the antenna has a 42.9% (3.3-5.1 GHz) impedance bandwidth, and the inband average gain reaches 8.3 dBi, while the out-of-band gain suppression is greater than 17 dB.

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Broadband Filtering Magnetoelectronic Dipole Antenna With Quasi-Elliptic Gain Response

Cited by 48 publications

References 30 publications

A broadband dual‐polarized magnetoelectric dipole filtering antenna

A broadband dual‐polarized magnetoelectric dipole filtering antenna

Low-Profile and Wideband Circularly Polarized Magneto-Electric Dipole Antenna Excited by a Cross Slot

A broadband compact filtering antenna for sub‐6 GHz base station applications

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