Enhancing Gain of Ring Slot Antennas With Shorting Strips

Lin, Jiang-Feng; Chu, Qing‐Xin

doi:10.1109/tap.2019.2908107

Cited by 13 publications

(8 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It has also been used to analyze gain enhancement as well. 16 CMA has also been used in some CP antennas to predict and analyze if a certain radiating conductor can produce orthogonal electric fields. [17][18][19] This paper demonstrates the guidance of CMA in designing a broadband CP antenna.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Design of a circularly polarized printed open‐slot antenna using theory of characteristic modes

Ellis

Owusu‐Achiaw

Osei

et al. 2023

Micro & Optical Tech Letters

View full text Add to dashboard Cite

In this paper, modal analysis is used as a guide to design a circularly polarized open‐slot antenna. The design proposes an open wide slot that is fed electromagnetically by a modified feedline. Both open slot and feedline are asymmetrically placed to the edge of the substrate. The complete antenna without excitation is analyzed using characteristic mode theory to provide a physical insight into its circular polarization operation. The modal analysis proves that several nearly orthogonal modes can be generated at certain frequencies with 90° phase differences. The axial ratio (AR) corresponds to the modal analysis, which proves the validity of the modal analysis. An AR bandwidth from 3.2 to 6 GHz (61%) is achieved within an S11 bandwidth of 3.2–14 GHz (125%). The proposed antenna achieves a peak realized gain 4.3 dBi of within the AR band.

show abstract

Section: Introductionmentioning

confidence: 99%

“…In Lin and Chen, 15 it has been used to analyze a metasurface antenna. It has also been used to analyze gain enhancement as well 16 . CMA has also been used in some CP antennas to predict and analyze if a certain radiating conductor can produce orthogonal electric fields 17–19 …”

Section: Introductionmentioning

confidence: 99%

Design of a circularly polarized printed open‐slot antenna using theory of characteristic modes

Ellis

Owusu‐Achiaw

Osei

et al. 2023

Micro & Optical Tech Letters

View full text Add to dashboard Cite

show abstract

“…It has also been used to analyze gain enhancement as well. 18 CMA has also been used in some CP antennas to predict and analyze if a certain radiating conductor can produce orthogonal electric fields. 19,20 This article demonstrates the guidance of CMA in designing a broadband CP antenna.…”

Section: Introductionmentioning

confidence: 99%

“…In Lin and Chen, 17 it has been used to analyze a metasurface antenna. It has also been used to analyze gain enhancement as well 18 . CMA has also been used in some CP antennas to predict and analyze if a certain radiating conductor can produce orthogonal electric fields 19,20 …”

Section: Introductionmentioning

confidence: 99%

Circularly polarized edge‐placed printed monopole antenna using theory of characteristic modes

Ellis

Owusu‐Achiaw

Osei

et al. 2023

Micro & Optical Tech Letters

View full text Add to dashboard Cite

This article presents a method of using modal analysis to characterize the circular polarization (CP) performance of a printed monopole antenna. The radiator and feedline are positioned on the edge of the substrate and fed accordingly at the edge, and a modified ground plane is employed. The complete antenna without excitation is analyzed using characteristic mode theory to provide physical insight into its CP operation. The modal analysis proves that several nearly orthogonal modes can be generated at certain frequencies with orthogonal phase differences as well. The axial ratio (AR) corresponds to the modal analysis which proves the validity of the modal analysis. An axial ratio bandwidth from 3.1 to 6.2 GHz (66. 7%) is achieved within an S11 bandwidth of 2.6–11 GHz (123.5%). The proposed antenna is compact with stable radiation patterns, easy to design, and fabricate without inserting parasitic patches or inserting slots on the antenna.

show abstract

“…Plenty of methods are employed to eliminate coupling and enhance the isolation between the different elements [13,14]. Some high isolation antennas were achieved by increasing the distance of the different antenna elements, and some others papers were to introduce the decoupling components such as parasitical slots or strips among the radiation elements or ground plane to achieve high isolation [15,16]. However, for most of the compact devices where the space is very limited and they need the simplified structure for easier manufacture.…”

Section: Introductionmentioning

confidence: 99%

A compact design of orthogonally dual-polarized antenna for ultra-wideband , imaging, and radar applications

Parchin¹,

Ullah²,

Asharaa³

et al. 2019

Antennas and Propagation Conference 2019 (APC-2019)

View full text Add to dashboard Cite

In this study, a new design of dual-polarized ultra-wideband (UWB) antenna is proposed. The antenna design contains a circularring slot radiator fed by two independently semi-arc-shaped microstrip feeding lines which can exhibit polarization diversity characteristic. A low-cost FR-4 dielectric (ε= 4.4, δ= 0.02) is used as the substrate. The characteristics of the dual-polarized UWB antenna are examined using both simulations and measurements and good results are achieved. An impedance bandwidth (S11 ≤ -10 dB) of 2.5-10.2 GHz with 121% fractional bandwidth (FBW) is achieved for the design. However, for S11 ≤ -6 dB, this value is more than 130% (2.2-11 GHz). The proposed UWB antenna offers good isolation, dual-polarized function, and sufficient efficiency which make it suitable for different applications such as radar and microwave imaging.

show abstract

Enhancing Gain of Ring Slot Antennas With Shorting Strips

Cited by 13 publications

References 30 publications

Design of a circularly polarized printed open‐slot antenna using theory of characteristic modes

Design of a circularly polarized printed open‐slot antenna using theory of characteristic modes

Circularly polarized edge‐placed printed monopole antenna using theory of characteristic modes

A compact design of orthogonally dual-polarized antenna for ultra-wideband , imaging, and radar applications

Contact Info

Product

Resources

About