Accès libre

Compact wideband-printed antenna for sub-6 GHz fifth-generation applications

Ankush Kapoor

Ankush Kapoor

  • University of Petroleum and Energy StudiesDehradun, India
  • Jawaharlal Nehru Government Engineering CollegeSundar Nagar, India
Recherchez cet auteur sur
Sciendo|Google Scholar
Kapoor, Ankush
, 
Ranjan Mishra

Ranjan Mishra

University of Petroleum and Energy StudiesDehradun, India
Recherchez cet auteur sur
Sciendo|Google Scholar
Mishra, Ranjan
 et 
Pradeep Kumar

Pradeep Kumar

University of KwaZulu-NatalDurban, South Africa
Recherchez cet auteur sur
Sciendo|Google Scholar
Kumar, Pradeep
  
20 nov. 2020
Compact wideband-printed antenna for sub-6 GHz fifth-generation applications's Cover Image
À propos de cet article
Article précédent
Article suivant
Citez
Télécharger la couverture
Catégorie d'article: Research-Article
Publié en ligne: 20 nov. 2020
Pages: 1 - 10
Reçu: 04 août 2020
DOI: https://doi.org/10.21307/ijssis-2020-033
Mots clés
© 2020 Ankush Kapoor et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1:

Geometry of the antenna. (A) Top view of the rectangular-patch antenna (RPA), (B) side view of RPA, (C) RPA with full ground plane, (D) PG-RPA, (E) PSG-RPA1 with a polygon cut with six segments, and (F) PSG-RPA2 with a polygon cut with 18 segments.
Geometry of the antenna. (A) Top view of the rectangular-patch antenna (RPA), (B) side view of RPA, (C) RPA with full ground plane, (D) PG-RPA, (E) PSG-RPA1 with a polygon cut with six segments, and (F) PSG-RPA2 with a polygon cut with 18 segments.

Figure 2:

Schematic configuration steps followed to reach our design geometry.
Schematic configuration steps followed to reach our design geometry.

Figure 3:

Comparative analysis of the reflection coefficient for various design steps.
Comparative analysis of the reflection coefficient for various design steps.

Figure 4:

Voltage-standing wave ratio (VSWR) of the antennas PSG-RPA1 (bandwidth of 500 MHz ) and PSG-RPA2 (bandwidth of 700 MHz ).
Voltage-standing wave ratio (VSWR) of the antennas PSG-RPA1 (bandwidth of 500 MHz ) and PSG-RPA2 (bandwidth of 700 MHz ).

Figure 5:

Radiation intensity for the proposed antenna with (A) E- and H-plane pattern of PSG-RPA1 at 3 . 41 GHz and 3 . 83 GHz (BW 500 MHz ) and (B) E- and H-plane pattern of PSG-RPA2 at 3 . 41 GHz and 3 . 83 GHz (BW 700 MHz ).
Radiation intensity for the proposed antenna with (A) E- and H-plane pattern of PSG-RPA1 at 3 . 41 GHz and 3 . 83 GHz (BW 500 MHz ) and (B) E- and H-plane pattern of PSG-RPA2 at 3 . 41 GHz and 3 . 83 GHz (BW 700 MHz ).

Figure 6:

Gain plot for the proposed antenna with (A) PSG-RPA1 (BW 500 MHz ) and (B) PSG-RPA2 (BW 700 MHz ).
Gain plot for the proposed antenna with (A) PSG-RPA1 (BW 500 MHz ) and (B) PSG-RPA2 (BW 700 MHz ).

Figure 7:

Antenna prototype of PSG-RPA2 (A) front view, (B) back view, and (c) measurement setup.
Antenna prototype of PSG-RPA2 (A) front view, (B) back view, and (c) measurement setup.

Figure 8:

Comparison of reflection-coefficient curves of simulated and measured designs for PSG-RPA2 possessing a bandwidth of   700 MHz .
Comparison of reflection-coefficient curves of simulated and measured designs for PSG-RPA2 possessing a bandwidth of   700 MHz .

Parametric performance analysis of different design iterations (FR4 substrate is used)_

Parameter variation Resonant frequency (GHz) Impedance bandwidth (MHz) Reflection coefficient (dB)
Conventional RPA 4.02 30 −10.64
RPA with partial ground plane 3.88 250 −53
RPA with hexagonal partial ground plane 3.64 5.3 −14.56
RPA with polygon partial ground plane (proposed) 3.41 and 3.83 700 −26.17 and −31.15
Variation of width of strip feed (Wf) in mm in RPA with polygon partial ground plane
0.5 3.41 and 3.83 700 −26.17 and −31.15
1 3.69 650 −38.27
1.5 3.69 600 −38
2 3.66 550 −27.61
2.5 3.66 500 −22.51
3 3.66 479 −21.30

Comparison of our design with previous researches_

Parameters
References Bandwidth (GHz) Center frequency (GHz) Patch size Substrate parameters Maximum gain (dBi)
Guo et al. (2011) 2.6-6 4.3 0.78λ0 × 0.31λ0 ∈r = 2.2, h = 0.01λ0 ∽9
Sekeljic et al. (2019) 2.5-4.9 3.7 0.61λ0 × 0.24λ0 ∈r = 4.4, h = 0.01λ0 ∽4
Tang et al. (2019) 2.3-5.2 3.7 0.58λ0 × 0.23λ0 ∈r = 2.5, h = 0.006λ0 ∽3
Shukla et al. (2016) 4.0-9.7 6.8 0.68λ0 × 0.68λ0 ∈r = 4.4, h = 0.03λ0 ∽4
Pathak and Singhal (2018) 5.1-7.5 6.3 0.42λ0 × 0.31λ0 ∈r = 4.4, h = 0.03λ0 ∽2.8
Proposed antenna PSG-RPA2 3.3-4.0 3.65 0.43λ0 × 0.19λ0 ∈r = 4.4, h = 0.01λ0 ∽2.5

Comparison of simulated and measured results of the PSG-RPA2 (FR4 substrate with h = 1 _ 6 mm )_

Parameters Simulated results Measured results
Lower cut-off frequency (fL) (GHz) 3.28 3.3
Higher cut-off frequency (fH) (GHz) 4.00 4.02
Bandwidth (MHz) 720 720
VSWR (at 3.41 GHz) 1.55 1.14
VSWR (at 3.83 GHz) 1.70 1.17
Minimum reflection coefficient (dB) −31.15 −34.98

Dimensions of PSG-RPA2 (FR4 substrate with h = 1_6 mm)_

Parameters Lp Wp Wf Lf Lg Wg No. of polygon segments in PSG-RPA2
Dimension 36 mm 16 mm 0.5 mm 2 mm 20 mm 28 mm 18

Comparison of simulated results of designed antennas, i_e_, PSG-RPA1 and PSG-RPA2_

Parameters PSG-RPA1 PSG-RPA2
Lower cut-off frequency (fL) 3.25 GHz 3.28 GHz
Higher cut-off frequency (fH) 3.75 GHz 4.00 GHz
Bandwidth 500 MHz 720 MHz
VSWR (at 3.41 GHz) 1.95 1.55
VSWR (at 3.83 GHz) 1.66 1.70
Gain 2.3 dB 2.5 dB
Reflection coefficient −13.35 dB −31.15 dB
Langue:
Anglais
Périodicité:
1 fois par an
Sujets de la revue:
Ingénierie, Présentations et aperçus, Ingénierie, autres
RSS Feed de la revue