Dual-Beam Filtering Patch Antennas for Wireless Communication Application

Li, Jian‐Feng; Chen, Zhi Ning; Wu, Duo‐Long; Zhang, Gary; Wu, Yanjie

doi:10.1109/tap.2018.2835519

Cited by 81 publications

(29 citation statements)

References 19 publications

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“…The proposed antenna has a dual‐beam radiation plane, which has advantages in wireless system for coverage of multiple areas, compared with the broadside radiation antennas in 11,18,21,22 . The proposed antenna achieves lower profile and wider bandwidth than other dual‐beam antennas in 25‐27 by reallocating quadruple‐mode resonance. The comparison in Table 3 shows that the proposed antenna is a good candidate for terminal equipment of indoor wireless communication networks.…”

Section: Resultsmentioning

confidence: 99%

“…Chen et al 25 proposed a microstrip antenna with cross‐shaped probe operating at the higher‐order mode to attain dual symmetrical radiation beams with wideband performance (13.8%) and low‐profile (0.1 λ 0 ). In, 26 a dual‐beam patch antenna using a metal strip and two symmetrical slots with wide impedance bandwidth of 23.5% is proposed. Tan et al 27 proposed a dual‐beam cavity‐backed patch antenna by utilizing the substrate integrated waveguide and L‐shaped slot techniques, which exhibits a bandwidth range from 27.8 to 30.9 GHz with the bandwidth of 10.6%.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Bandwidth and gain improvements of low‐profile H‐shaped microstrip patch antenna under quadruple‐mode resonance

Deng

XIONG

Liu

et al. 2020

Int J RF Microw Comput Aided Eng

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A wideband low profile H‐shaped microstrip patch antenna (MPA) with reallocated quadruple‐mode resonance is presented for indoor wireless communication application. In this paper, the TM20 (mode 1), TM02 (mode 2), TM22 (mode 3), and additionally notch mode 4 of the proposed MPA are simultaneously employed. First, the rectangular radiating patch is reshaped as an H‐shaped radiator so as to separate a pair of degenerate modes (mode 1 and mode 2). Then, a pair of linear notches is cut on the diagonal of the patch to excite an additional notch resonance (mode 4). Finally, in order to improve the frequency of mode 1, four shorting pins are placed at the four corners of the H‐shaped patch. Therefore, the bandwidth of the antenna is dramatically increased up by utilizing four resonant modes (modes 1, 2, 3, and 4). A prototype of H‐shaped patch antenna with notches and shorting pins is manufactured and measured. The results show that the antenna achieves a broad bandwidth of about 31.7% (2.31‐3.18 GHz), and its profile is only 0.036 wavelength of center frequency. It is particularly noticed that a relative high gain of around 9.8 dBi is successfully acquired, while keeping relative stable dual‐beam radiation patterns.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Bandwidth and gain improvements of low‐profile H‐shaped microstrip patch antenna under quadruple‐mode resonance

Deng

XIONG

Liu

et al. 2020

Int J RF Microw Comput Aided Eng

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show abstract

“…Many efforts have been devoted to the design of filtering antennas 1‐8 . Most primitively, the filtering antenna can be designed by connecting a bandpass filter to an antenna in cascade 1,2 .…”

Section: Introductionmentioning

confidence: 99%

Design of a compact patch antenna with boresight filtering gain response

Liu

Yang

et al. 2020

Micro & Optical Tech Letters

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In this paper, a novel compact microstrip patch antenna with a boresight filtering gain response is proposed. The proposed antenna consists of a radiating patch, a ground plane, two pairs of slots respectively etched on the radiating patch and the ground plane, two shorted vias connecting the radiating patch and the ground plane. The slots on the ground plane not only provide a gain null in the lower transition band, but also introduce a new low‐resistance resonance which is beneficial to widen the impedance bandwidth. The slots on the radiating patch provide another gain null in the upper transition band. The two shorted vias are used to further adjust the reflection coefficient and the gain performance of the antenna. Since no extra circuits are introduced, the proposed antenna is compact. A prototype operating at 3.0 GHz was fabricated and measured. It demonstrates that the proposed antenna has a bandwidth of 3.5% and a gain of 6.0 dBi in a profile of 0.015 λ0. At the same time, a good filtering gain response is realized.

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“…, dual‐mode stub‐loaded resonators are introduced into the coupling feedlines, and a dual‐band bandpass filtering response for the patch antenna is generated. Recently, some other methods tend to use less filters or concentrate on the filtering response of radiators . For example, in Refs and filtering responses of the antennas are obtained by introducing open stubs in feedlines.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, some other methods tend to use less filters [7][8][9][10][11][12] or concentrate on the filtering response of radiators. [13][14][15][16][17][18][19][20] For example, in Refs 7 and 8 filtering responses of the antennas are obtained by introducing open stubs in feedlines. Radiation nulls can be individually controlled by changing lengths of the stubs.…”

mentioning

confidence: 99%

Differentially fed, dual‐band filtering antenna with H‐shaped slot

Zhao

Tang

et al. 2019

Micro & Optical Tech Letters

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A differentially fed, dual‐band microstrip patch antenna with filtering response is proposed in this letter. By etching an H‐shaped slot at a rectangle radiating patch, two resonant modes of the patch antenna, as well as an additional radiation null between the two operation bands are generated. Besides, two symmetric open‐stub coupling feedlines (OSCFs) are introduced to differentially excite the antenna, which offer two extra radiation nulls outside the two bands. Thus, a dual‐band bandpass filtering response for the proposed antenna is obtained. Measurement results of the prototype show good agreement with the simulated ones. Stable radiation patterns with low cross‐polarization levels of better than 28 dB are observed. Besides, a deep roll‐off of better than 22 dBi for the realized gain is also obtained.

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Dual-Beam Filtering Patch Antennas for Wireless Communication Application

Cited by 81 publications

References 19 publications

Bandwidth and gain improvements of low‐profile H‐shaped microstrip patch antenna under quadruple‐mode resonance

Bandwidth and gain improvements of low‐profile H‐shaped microstrip patch antenna under quadruple‐mode resonance

Design of a compact patch antenna with boresight filtering gain response

Differentially fed, dual‐band filtering antenna with H‐shaped slot

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