Characterization of CP Radiations in a Planar Monopole Antenna Using Tuning Fork Fractal Slot for LTE Band13/Wi-Max and Wi-Fi Applications

Abstract

in this paper, a novel antenna design comprising planar monopole with fractal slot defected ground structure for circularly polarized radiation is proposed. In the proposed antenna geometry, circular polarization radiation characteristics are obtained by defecting the ground structure with fractal slot. In this approach, CP characteristics are achieved by intensifying the level of cross polar component of the linearly polarized antenna upto a certain level by means of fractal slot inserted in ground structure. Antenna prototype with third order iterative tuning fork shaped fractal slot is fabricated and tested for the validation of simulated results. Parametric studies are also performed to exemplify the process of CP radiations. From the simulated and measured results, it is confirmed that the proposed antenna can be proficiently produced 10 dB return loss bandwidth (BW) nearly ≈ 37.4%, while 3-dB AR bandwidth (ARBW) is 15.5%, respectively. The proposed antenna can be a credible applicant for LTE Band 13/ cellular/ PCS /ASW/ WiMAX and Wi-Fi applications. INDEX TERMS Circular polarization, Axial ratio bandwidth (ARBW), Modified ground structure (MGS), fractal structure, Planar Monopole CP Antennas.

[Retracted] Effects of the FR 4 Substrate Realized in a Circularly Polarized UHF‐RFID Reader Antenna with Fractal Geometry for Enhancing Parameters

“…Basically, the CP can be achieved either by using diagonal feed, dual feed, or by allocating asymmetry in antenna structures. To achieve circular polarization in the antenna, various methods such as dual feed exciting by the orthogonal mode, truncated edge, and slotted types are prominently used [26][27][28][29][30][31].…”

Metamaterial inspired square gap defected ground structured wideband dielectric resonator antenna for microwave applications

“… Ref. No Antenna dimensions in mm 3 Substrate Material Operating frequencies (GHz) Gain (dBi) Efficiency (%) [ 1 ] 83 × 56 × 1.56 FR4 2.47, 3.55, 5.55 3.88, 3.87, 3.83 – [ 2 ] 39 × 32 × 1.6 FR4 3.3–7.3 1.8–2.4 – [ 4 ] 48 × 38 × 1.6 FR4 2.9, 9.1 8.4, 8.2 82–85.2 [ 5 ] 60 × 60 × 0.8 FR4 2.04–7.95 2.7–4.32 81–84 [ 8 ] 34 × 18 × 1.6 FR4 2.41–2.63, 0.10–0.28, 86.3, 87.6, 85.9 3.39–3.70, 0.24–1.42, 4.96–6.32 2.67–4.76 [ 9 ] 50 × 50 × 1.6 FR4 1.72–2.48 3.95 80 [ 10 ] 74.5 × 48 × 3.34 Wool 2.45 5.35 74.3 [ 11 ] 89 × 50 × 1.575 Roger 5880 …”

“…The DGS is created by opening a rectangular slot in the ground plane. A fractal structure DGS monopole antenna is proposed for LTE Band 13 applications; the circular polarization is achieved by defecting the ground plane with a fractal slot [ 9 ]. A metamaterial-inspired SIW based textile antenna was developed for off-body communications in a 2.45 ISM band.…”

A broad axial ratio bandwidth and wide angle coverage circularly polarized monopole antenna for wireless communication

“…To improve ARBW, several techniques are adopted and reported in Refs. [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] One simple C-shaped broadband CPMA is realized and its ARBW is optimized by introducing a rectangular open loop strip and stub in ground plane. 2 In Midya et al 3 another broad axial ratio bandwidth CPMA was implemented by introducing G-shaped parasitic strip (PS) with a C-shaped radiator.…”