2017
DOI: 10.1017/s1759078717000435
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Dual circularly polarized multilayer MIMO antenna array with an enhanced SR-feeding network for C-band application

Abstract: Wide-band circularly polarized multi-input multi-output (MIMO) antenna array with a 2 × 4 feed network was proposed for C-band application. Different unique techniques were utilized in the proposed array to enhance the antenna characteristics, such as gain, 3 dB axial ratio bandwidth (ARBW), impedance tuning, and ruinous mutual coupling effects. A miniaturized dual-feed Tai chi-shaped antenna element with a pair of feeding points and a pair of eyebrow-shaped strips was presented for enhancing circular polariza… Show more

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Cited by 5 publications
(4 citation statements)
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“…To minimize the manufacturing expenses, the works reported in [12]- [16] have introduced MIMO antenna designs using low-cost FR-4 substrate. In [12], an eyebrow-shaped strip is applied to enhance the CP performance of the MIMO antenna, but it has a very large dimension of 85 mm × 73 mm.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…To minimize the manufacturing expenses, the works reported in [12]- [16] have introduced MIMO antenna designs using low-cost FR-4 substrate. In [12], an eyebrow-shaped strip is applied to enhance the CP performance of the MIMO antenna, but it has a very large dimension of 85 mm × 73 mm.…”
Section: Introductionmentioning
confidence: 99%
“…To minimize the manufacturing expenses, the works reported in [12]- [16] have introduced MIMO antenna designs using low-cost FR-4 substrate. In [12], an eyebrow-shaped strip is applied to enhance the CP performance of the MIMO antenna, but it has a very large dimension of 85 mm × 73 mm. To reduce the overall MIMO antenna size to 21 mm × 46 mm, split ring resonator was introduced to the MIMO antenna, and good CP radiation is achieved by using offset feeding technique and defective ground structure (DGS) [13].…”
Section: Introductionmentioning
confidence: 99%
“…The MIMO antennas capable of generating dual-CP waves (both LHCP and RHCP) at the same frequency are in huge demand these days since these antennas can significantly reduce the mutual coupling and multipath fading effects [17], [18]. In the literature, some planar two-port dual-CP MIMO antennas radiating both LHCP and RHCP waves simultaneously have been reported [19]- [21].…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, antennas could be LP [5, 1012, 14–17]. However, both antennas are often chosen to be circularly polarized for a robust system [3, 4, 18]. These antennas are suffered from a narrow CP or axial ratio band.…”
Section: Introductionmentioning
confidence: 99%