140 GHz High-Gain LTCC-Integrated Transmit-Array Antenna Using a Wideband SIW Aperture-Coupling Phase Delay Structure

Miao, Zhuo-Wei; Hao, Zhang‐Cheng; Luo, Guo Qing; Gao, Liang; Wang, Jie; Wang, Xiao; Wang, Hong

doi:10.1109/tap.2017.2776345

Cited by 117 publications

(46 citation statements)

References 22 publications

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“…Several wideband fixed- [14]- [15] or switched-beam [16], and electronically-reconfigurable TAs [12], [13], [17]- [20] have been presented and demonstrated in the literature up to sub-THz frequencies [21]. In our previous works [12], [18], the possibility to implement electronic beam-scanning has been successfully shown using 1-bit reconfigurable TAs with 800 p-i-n diodes integrated on the antenna aperture.…”

Section: Introductionmentioning

confidence: 99%

2 Bit Reconfigurable Unit-Cell and Electronically Steerable Transmitarray at $Ka$ -Band

Diaby

Clemente

Sauleau

et al. 2020

IEEE Trans. Antennas Propagat.

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This paper presents the design, optimization, fabrication, and characterization of an electronically steerable transmitarray with 2 bits of phase quantization per unit cell. The proposed transmitarray operates in linear polarization at Ka-band and is composed of 14×14 reconfigurable unit-cells. Four p-in diodes are integrated on each unit-cell to control the radiated field phase distribution across the transmitarray aperture. The prototype demonstrates experimentally pencil beam scanning over a 120×120-degree window, a maximum gain at broadside of 19.8 dBi, and a 3-dB fractional bandwidth of 16.2%.

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Section: Introductionmentioning

confidence: 99%

2 Bit Reconfigurable Unit-Cell and Electronically Steerable Transmitarray at $Ka$ -Band

Diaby

Clemente

Sauleau

et al. 2020

IEEE Trans. Antennas Propagat.

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“…Despite its attractive features, one critical issue associated with transmitarray is the inherent narrow bandwidth. A number of different designs based on the two most popular approaches, i.e., the multilayer-frequency selective surface (M-FSS) approach [4], [5], [17]- [20] and the receive/transmit approach [6], [7], [9], have been carried out to extend the The associate editor coordinating the review of this manuscript and approving it for publication was Mohammad Zia Ur Rahman . bandwidth of transmitarray.…”

Section: Introductionmentioning

confidence: 99%

A Wideband Low-Profile Efficiency-Improved Transmitarray Antenna With Over-1-bit Phase-Shifting Elements

Wang

Luk

et al. 2020

IEEE Access

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This paper describes a wideband, low-profile and efficiency-improved transmitarray antenna achieved by employing over-1-bit phase-shifting elements and incorporating optimized phase compensation scheme. Firstly, a wideband ultrathin 1-bit phase-shifting unit cell is presented based on the polarization twisting feature of the twisted stacking aperture structure. A minor variation in unit-cell geometry is then introduced to add more degrees of freedom in phase adjustment while maintaining nearly same low insertion loss within a wide frequency range. Moreover, the resultant performances of transmitarrays using different phase compensation schemes are compared. An optimized scheme that has a minimized average phase error and effectively enhances the aperture efficiency is adopted. Results of a 21.5% 1-dB gain bandwidth, 0.127-λ 0 aperture thickness and 40% aperture efficiency are observed from the fabricated 14 × 14 transmitarray antenna. INDEX TERMS Flat lens antenna, low profile, thin aperture, transmitarray antenna, wide gain bandwidth.

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“…RANSMITARRAYS have been massively studied in the last years for applications up to the sub-millimeter-wave band [1]- [2]. Even if several high-performance fixed-beam transmitarrays have been successfully demonstrated, only a few demonstrations of full electronically reconfigurable transmitarrays have been presented in the open literature [3]- [5].…”

Section: Introductionmentioning

confidence: 99%

Experimental Characterization of a Circularly Polarized 1 Bit Unit Cell for Beam Steerable Transmitarrays at Ka-Band

Palma

Clemente

Dussopt

et al. 2019

IEEE Trans. Antennas Propagat.

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We propose here an experimental characterization procedure applied to a 1-bit reconfigurable transmitarray unitcell working in circular polarization at Ka-band. The transmission phase of the unit-cell is controlled on the receiving side by switching two p-in diodes integrated on the radiating element. The circular polarization is generated on the transmitting side with a truncated corner patch antenna. A specific waveguide characterization setup and related procedure have been developed to extract the unit-cell S-matrix. The proposed setup includes non-standard waveguide sections, ad-hoc transitions and an Ortho-Mode Transducer (OMT). The experimental results demonstrate a good agreement with fullwave simulations with a discrepancy of less than 0.1 dB on the measured minimum insertion loss of 1.65 dB at 29 GHz. A 3-dB bandwidth larger than 12% has been measured.

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140 GHz High-Gain LTCC-Integrated Transmit-Array Antenna Using a Wideband SIW Aperture-Coupling Phase Delay Structure

Cited by 117 publications

References 22 publications

2 Bit Reconfigurable Unit-Cell and Electronically Steerable Transmitarray at $Ka$ -Band

2 Bit Reconfigurable Unit-Cell and Electronically Steerable Transmitarray at $Ka$ -Band

A Wideband Low-Profile Efficiency-Improved Transmitarray Antenna With Over-1-bit Phase-Shifting Elements

Experimental Characterization of a Circularly Polarized 1 Bit Unit Cell for Beam Steerable Transmitarrays at Ka-Band

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