2018
DOI: 10.1002/mmce.21492
|View full text |Cite
|
Sign up to set email alerts
|

Wideband circularly polarized square dielectric resonator antenna for WLAN/WiMAX applications

Abstract: In the present article, a novel single fed square dielectric resonator antenna (SDRA) is presented and two orthogonal modes (TE111x0.25emand0.25emTE111y) of SDRA are utilized to produce the wideband circular polarization. To generate circular polarization over a broad frequency band, a new technique known as hybrid DRA has been proposed in this article. In this technique, the feeding circuit act as a radiator and also provides feeding to the dielectric resonator which enhances the impedance and axial ratio ban… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
5

Citation Types

0
12
0

Year Published

2019
2019
2021
2021

Publication Types

Select...
5

Relationship

0
5

Authors

Journals

citations
Cited by 7 publications
(12 citation statements)
references
References 31 publications
0
12
0
Order By: Relevance
“…To achieve higher data rate and larger information capacity, many approaches have been reported to expand the 3 dB axial ratio (AR) bandwidth of the CP DR antenna, 12‐19 which can be mainly classified into two categories. In the first approach, the multiple modes are merged together by employing special‐shaped DR such as hollow cylindrical, 12 spidron fractal, 13 high‐aspect ratio, 14 stair‐shaped, 15 and two‐layer nested 16 .…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…To achieve higher data rate and larger information capacity, many approaches have been reported to expand the 3 dB axial ratio (AR) bandwidth of the CP DR antenna, 12‐19 which can be mainly classified into two categories. In the first approach, the multiple modes are merged together by employing special‐shaped DR such as hollow cylindrical, 12 spidron fractal, 13 high‐aspect ratio, 14 stair‐shaped, 15 and two‐layer nested 16 .…”
Section: Introductionmentioning
confidence: 99%
“…In the first approach, the multiple modes are merged together by employing special‐shaped DR such as hollow cylindrical, 12 spidron fractal, 13 high‐aspect ratio, 14 stair‐shaped, 15 and two‐layer nested 16 . In the second approach, various hybrid feeding structures are adopted, such as H‐shaped conformal metal strip, 17 dual pair of right‐angled microstrip line, 18 and truncated rectangular patch, 19 to improve coupling or introduce additional resonant modes (generated by the feeding structure). However, the above antennas radiate through the top wall and sidewalls of the DR, which results in a relatively low gain.…”
Section: Introductionmentioning
confidence: 99%
“…The CPDRA with single feeding provides the narrow CP bandwidth up to 20% [6–8] (here, the meaning of CP bandwidth is overlapping frequency range of 3 dB axial ratio (AR) and 10 dB impedance passband). However, some CPDRAs were implemented for obtaining the wideband response with the utilisation of modified excitation slot [3, 9], feeding [10–12] and DR in the shape of stair [13, 14], notched‐corner [15] and cross [16]. In these structures, the higher order orthogonal modes are generated and merged for obtaining the wideband response.…”
Section: Introductionmentioning
confidence: 99%
“…These antennas provide the enhanced CP bandwidth in the range 2050%, but the low value of gain remains the problem. The gain of most of these antennas varies within 2–3 dBic only [3, 9–12, 14–16]. Though, some CPDRAs were reported with gain around 5–7 dBic [17–19] but these designs utilise the DR of height up to a complex level.…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, dielectric resonator antennas (DRAs) have received growing attention, due to their advantages such as flexible design, high radiation efficiency, and simple excitation . Compared to linearly polarized antennas, circularly polarized (CP) antennas have advantages of restraining multipath fading and polarization mismatch .…”
Section: Introductionmentioning
confidence: 99%