A Novel Dual-Polarized Continuous Transverse Stub Antenna Based on Corrugated Waveguides—Part II: Experimental Demonstration

Smierzchálski, Maciej; Manzillo, Francesco Foglia; Mastro, Michele Del; Capet, Nicolas; Palacin, Baptiste; Sauleau, Ronan; Ettorre, Mauro

doi:10.1109/tap.2020.3037809

Cited by 21 publications

(9 citation statements)

References 16 publications

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“…However, this class of antennas suffers from being intrinsically linearly-polarized. Recent studies have overcome this limitation and proposed a solution achieving both circular [9]- [11] and dual-linear [12], [13] polarization by conceiving ACCEPTED MANUSCRIPT / CLEAN COPY a multi-mode operation of the radiating slots with an adhoc engineered dispersion of the parallel plate corporate feed network. However, these antennas cannot radiate orthogonal CPs between receive (Rx) and transmit (Tx) SatCom channels.…”

Section: Introductionmentioning

confidence: 99%

Ultra-Low-Profile Continuous Transverse Stub Array for SatCom Applications

Mastro

Mahmoud

Potelon

et al. 2022

IEEE Trans. Antennas Propagat.

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Modern K/Ka-band satellite communications have become increasingly demanding in recent years with regard to the performance of the terminal antenna used in the link. These terminals should be high-gain and broadband, as well as guarantee polarization diversity over a large field-of-view. A lowprofile is also highly desired to integrate the antenna system into a variety of moving platforms such as aircraft and trains. An ultra-low-profile continuous transverse stub array is proposed here to tackle these challenges. The antenna array is realized in printed circuit board technology by adopting a contactless transition between the stacked-up layers without resorting to blind or buried vias. The proposed antenna is wideband (impedance matched within the band 19-31 GHz, i.e., ∼ 50%) and provides multi-beam radiation for polar angles as far as ±22.5 • . The peak value of the gain is 19.7 dBi and the maximum radiation efficiency equals 50%. Furthermore, the antenna array is combined with a dual-band polarization converter. The latter provides orthogonal circular polarization in two non-adjacent bands. The overall antenna system performs right-and left-hand circular polarization within the SatCom down-and up-links in the K/Ka-band, respectively. For each polarization, the axial ratio is below 3 dB over 9.47% and 4.42% fractional bandwidths, respectively.

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Section: Introductionmentioning

confidence: 99%

Ultra-Low-Profile Continuous Transverse Stub Array for SatCom Applications

Mastro

Mahmoud

Potelon

et al. 2022

IEEE Trans. Antennas Propagat.

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“…The passive beam scanning CTS arrays have been suggested by moving the feeding structures or rotating the radiating stubs relatively to the feeding parallel plate waveguide (PPW) [6][7][8]. The beam scanning can also be achieved by loading phase shifter or switching feeding source [9,10].…”

Section: Introductionmentioning

confidence: 99%

C‐band frequency‐scanning continuous transverse stub array with high gain and low sidelobe level

Cao

Yang

et al. 2022

IET Microwaves Antenna & Prop

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A C‐band substrate integrated waveguide based frequency‐scanning continuous transverse stub (CTS) array with high gain and low sidelobe level (SLL) is presented in this paper. The newly suggested linear source generator (LSG) consists of a feeding probe, a main reflector, a sub‐reflector, and two metal matching vias. By introducing one matching via on the left side of probe and another one on the right side of the sub‐reflector, a broadband LSG is obtained to excite the CTS array with a wide scanning range. The operating mechanism of the two matching vias is analysed. In order to reduce SLL, a serial‐fed array with asymmetrically distributed stub width is designed according to Chebyshev distribution for the first time. A prototype of 12‐element array is designed, simulated and measured, and excellent agreements are achieved. The measured beam‐scanning range is from −52° to 2° within the operating frequency of 5.6–8 GHz, in which |S11| is less than −10 dB. The maximum gain is 22 dBi and the SLL varies between −21 dB and −18.2 dB. The proposed design approach can be applied to other bands and other level distributions. The proposed frequency scanning array has great potentials in radar and detection systems.

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“…Śmierzchalski et al . proposed a dual-mode DP-CTS array which was fed by only one parabolic reflector [14, 15]. However, the long focal length made the longitudinal length of the antenna reach 17.5 λ 0 .…”

Section: Introductionmentioning

confidence: 99%

“…It could be found that all aforementioned DP-arrays were fed by two independent orthogonal linear-polarized (LP)-LSGs. Śmierzchalski et al proposed a dual-mode DP-CTS array which was fed by only one parabolic reflector [14,15]. However, the long focal length made the longitudinal length of the antenna reach 17.5λ 0 .…”

Section: Introductionmentioning

confidence: 99%

Compact line source generator for feeding continuous transverse stub arrays

Qiu

Yang

et al. 2021

Int. J. Microw. Wireless Technol.

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Based on a substrate integrated lens (SIL), a compact line source generator (LSG) for feeding continuous transverse stub (CTS) arrays with linear-polarized (LP) beam scanning and dual-polarized (DP) operations is presented in this paper. The SIL consists of metamaterial cells with different sizes being arranged as concentric annulus and is printed on the center surface of two substrate layers. The SIL can convert the cylindrical wave generated by the feed probe of SIW-horn to the planar wave for feeding the CTS array. This rotationally symmetric SIL can be used conveniently to design LSG for feeding CTS arrays with the continuous beam scanning and DP operations, which has been verified by the fabrications and measurements. By simply rotating the SIW-horn along the edge of SIL, the 10-element LP-CTS array obtains a measured beam scanning range of ±35° with the highest gain of 20.6 dBi. By setting two orthogonal SIW-horns at the edge of the proposed SIL, the nine-element DP-CTS array with orthogonal radiation stubs is excited. The DP array obtains the gain of 20.3 dBi at the center frequency with the isolation of 28 dB and the cross-polarization level <−25 dB.

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A Novel Dual-Polarized Continuous Transverse Stub Antenna Based on Corrugated Waveguides—Part II: Experimental Demonstration

Cited by 21 publications

References 16 publications

Ultra-Low-Profile Continuous Transverse Stub Array for SatCom Applications

Ultra-Low-Profile Continuous Transverse Stub Array for SatCom Applications

C‐band frequency‐scanning continuous transverse stub array with high gain and low sidelobe level

Compact line source generator for feeding continuous transverse stub arrays

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