High gain microstrip linear array antenna based on optimized layout of artificial magnetic conductor units

Sang, Lei; Zhao, Haojie; Zhang, Jie; Lu, Binxian; Cao, Rui

doi:10.1002/mmce.22245

Cited by 9 publications

(4 citation statements)

References 20 publications

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“…The impedance of each array element changes depending on the mutual coupling between array elements, which varies with array scanning angles. 111 Some techniques are applied to enhance the WAIM of array antennas, and among them artificial materials 112 are widely used for greater design freedom than ordinary dielectric materials. Such as in Reference 113, a wideangle scanning array with an artificial magnetic conductor (AMC) ground was proposed.…”

Section: Wide-angle Impedance Matchingmentioning

confidence: 99%

“…Some techniques are applied to enhance the WAIM of array antennas, and among them artificial materials 112 are widely used for greater design freedom than ordinary dielectric materials. Such as in Reference 113, a wide‐angle scanning array with an artificial magnetic conductor (AMC) ground was proposed.…”

Section: Performance Improvement Schemes Of Phased Arraysmentioning

confidence: 99%

See 1 more Smart Citation

A review of microwave electronically scanned array: Concepts and applications

Sun

Zhao

Zheng

et al. 2022

Int J RF Mic Comp-Aid Eng

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As the application of microwave to radar and 5G communication goes wider, the array beam scanning capability has become an important and popular issue in modern society. Appropriate implementation of beam scanning methods suitable for diverse conditions could provide better performance and help to save costs for a system. Moreover, electronically scanned array has the characteristics of fast beam switching rate, high measurement accuracy and low profile. Thus, discussions on typical electronic scanning approaches are particularly necessary. This paper first presents a review of typical electronic scanning approaches to microwave arrays, such as the phased array, the focused aperture array, the frequency scanning array, and the time modulated array. And then some latest designs in the industry have been introduced. In addition, problems appeared in the application of the phased array and relevant solutions have been put forward. For the rest, some discussions are briefly summarized, as well as some comments on future trend in this field.

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Section: Wide-angle Impedance Matchingmentioning

confidence: 99%

Section: Performance Improvement Schemes Of Phased Arraysmentioning

confidence: 99%

A review of microwave electronically scanned array: Concepts and applications

Sun

Zhao

Zheng

et al. 2022

Int J RF Mic Comp-Aid Eng

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“…K‐band radars usually use antenna arrays to increase gain. Common antenna arrays include patch antenna arrays, 6,7 slot antennas, 8 dipoles, 9 and grid antenna arrays 10,11 …”

Section: Introductionmentioning

confidence: 99%

A 2‐element K‐band series‐fed directional antenna array for millimeter wave radar applications

Xia

Cai

et al. 2021

Int J RF Microw Comput Aided Eng

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In this paper, a K‐band series‐fed directional antenna array based on a wide bandwidth, high‐efficiency electromagnetic radiation structure is proposed for millimeter wave radar applications. Only two fundamental elements are needed to meet design specifications. By cutting off one side of the original antennas and using the grounded coplanar waveguide (CPWG) and microstrip hybrid feeding method, a series‐fed structure is innovatively developed to make the designed array simple in structure and efficient in space utilization. Simultaneously, the feed structure of the CPWG and the through‐hole vias around the antenna are proposed in combination to form a semi‐closed shielded cavity structure. It can better constrain the electric field, suppress radiation from the transmission line, alleviate the antenna radiation pattern distortion and reduce the transmission line loss. The similar beamwidth is mainly achieved in both the E‐ and H ‐planes by placing the two elements vertically perpendicular to the H‐plane. The measured relative bandwidth of the antenna array is 24%. Within the designed bandwidth (22‐28 GHz), the measured |S11| is lower than −10 dB, and the gain is basically above 10 dBi. The measured E‐ and H‐plane beamwidths are close to each other with a difference of less than 10°for each frequency, while the beamwidth value varies between 32°and 51°in the entire frequency band of 22 to 28 GHz. The simulated results are in good agreement with the measured ones.

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“…A high gain microstrip linear array antenna was proposed in Ref. 5, which provides a high gain of 14.5 dBi. In addition, microstrip antennas can be designed as a reconfigurable antenna, such as a reconfigurable multiband rhombic shaped microstrip antenna proposed in Ref.…”

Section: Introductionmentioning

confidence: 99%