Design of a Low Profile and Compact Omnidirectional Filtering Patch Antenna

Wu, Tian Li; Pan, Yong; Hu, Pengfei; Zheng, Shao Yong

doi:10.1109/access.2017.2651143

Cited by 98 publications

(47 citation statements)

References 9 publications

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“…However, when filters are used, it increases the system's cost, volume, and insertion loss . Therefore, a lot of research is being done on the antenna combined with the filter . Some antennas with the stacked patches achieve filtering performance, but they have a large physical size which may limit its integration with the modern 5G devices.…”

Section: Introductionmentioning

confidence: 99%

A low‐profile high‐gain filtering antenna for fifth generation systems based on nonuniform metasurface

Park

Jeong

Hussain

et al. 2019

Micro & Optical Tech Letters

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This article presents a low‐profile filtering antenna based on nonuniform metasurface for fifth generation (5G) systems at 3.5 GHz. A crossed stub, slotted ground, shorting via, and the nonuniform metasurface is used to achieve high gain and filtering response in lower and upper stopbands. The antenna and the metasurface are printed on Rogers RO4003C (εr = 3.38, tan δ = 0.0027) and Taconic TLX‐9 (εr = 2.5, tan δ = 0.0019), respectively. Measured results show that the antenna has an impedance bandwidth of 3.24 to 3.8 GHz (15.91%) below −10 dB with a stable gain having a maximum value of 10.43 dBi and good radiation patterns. Moreover, this antenna passband satisfies the typical bandwidth required for the global 5G spectrum at the 3.5 GHz band. The gain drops significantly and the S11 goes up to 0 dB outside the passband. Due to the excellent filtering characteristics, the proposed antenna is a good candidate for 5G applications.

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Section: Introductionmentioning

confidence: 99%

A low‐profile high‐gain filtering antenna for fifth generation systems based on nonuniform metasurface

Park

Jeong

Hussain

et al. 2019

Micro & Optical Tech Letters

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“…With the development of the fifth‐generation (5G) mobile and wireless communication technologies, antennas play an important role in modern wireless communication systems. As an important component of radio frequency (RF) front end, filtering antennas have attracted more and more attention in recent years …”

Section: Introductionmentioning

confidence: 99%

“…As an important component of radio frequency (RF) front end, filtering antennas have attracted more and more attention in recent years. [1][2][3][4][5][6][7][8][9][10][11][12][13] Recently, some methods of designing filtering antennas are employed. The relatively simple method is to integrate extra filtering circuits into antenna.…”

Section: Introductionmentioning

confidence: 99%

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A novel differential filtering patch antenna with high selectivity

Wang

Ran

Hu³

et al. 2019

Int J RF Microw Comput Aided Eng

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A novel differential filtering antenna with high selectivity is proposed. The antenna is mainly composed of three different‐size patches, a slot, a pair of differential feeding lines, and a line resonator. An air gap is adopted to improve the impedance bandwidth and the filtering performance. The line resonator helps to generate high common‐mode (CM) rejection. Owing to the parasitic concave and convex patches, the filtering performance and the bandwidth of the antenna are enhanced. The parasitic concave patch affects the lower band‐edge selectivity while the parasitic convex patch influences the upper band‐edge selectivity. In addition, the frequencies of two radiation nulls can be controlled independently to achieve two high sharp roll‐off rates by adjusting the lengths of the parasitic patches. Considerable impedance matching bandwidth is achieved through an aperture coupling. Finally, a prototype of the differential filtering antenna is fabricated and tested. The measured results are in good agreement with the simulated results, showing an impedance bandwidth of 9.9% and an average realized gain of 7.5 dBi. Besides, two filter zero transmissions located at 3.40 and 3.84 GHz produced two radiation nulls.

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“…2 In recent years, various filtering antennas have been realized by integrating filtering circuits (additional or embedded) to the antenna feeding networks. [3][4][5][6][7] An omnidirectional filtering patch antenna with ring slot and shorting vias 3 and a dual-band U-shaped filtering patch antenna with multi-stub microstrip feed line 4 were reported recently. In, 5 a kind of filtering patch antenna without using extra filtering circuits was proposed, which provides high-selectivity filtering responses and high-gain radiation performances.…”

Section: Introductionmentioning

confidence: 99%

Planar integrated substrate integrated waveguide circularly polarized filtering antenna

Hua

2018

Int J RF Microw Comput Aided Eng

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A new design of substrate integrated waveguide (SIW) circularly‐polarized (CP) filtering antenna is presented, which is based on dual‐mode (TE102 and TE201) cavities. The satisfying filtering performance of the antenna is realized by a coupled‐resonator circuit of two dual‐mode SIW cavities. And the radiating element of the antenna is a cavity‐backed CP slot antenna which is formed by a nonuniform ring slot integrated with the back cavity. To demonstrate the idea, a prototype antenna operating at X band is designed, fabricated, and measured. Measured results show that the 10‐dB impedance bandwidth is 4.2% (from 11.6 to 12.1 GHz), the 3‐dB axial‐ratio (AR) bandwidth is 4%, and the gain is 5.6 dBi at the center frequency of 11.8 GHz.

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Design of a Low Profile and Compact Omnidirectional Filtering Patch Antenna

Cited by 98 publications

References 9 publications

A low‐profile high‐gain filtering antenna for fifth generation systems based on nonuniform metasurface

A low‐profile high‐gain filtering antenna for fifth generation systems based on nonuniform metasurface

A novel differential filtering patch antenna with high selectivity

Planar integrated substrate integrated waveguide circularly polarized filtering antenna

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