Frequency-Scanning Dual-Beam Parallel-Plate Waveguide Continuous Transverse Stub Antenna Array With Sidelobe Suppression

Liu, Qian; Yin, Qian; Wu, Wen

doi:10.1109/lawp.2018.2840106

Cited by 7 publications

(4 citation statements)

References 15 publications

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“…The associate editor coordinating the review of this manuscript and approving it for publication was Raheel M. Hashmi. also realized by exciting high-order mode of MLWA [11], [12], and making use of advantage of feeding configurations [13]- [15]. Recently, frequency dual-beam scanning MLWA and dielectric grating antenna are studied [16], [17], which use two spatial harmonics (m = 1 and 2) to generate dual-beam patterns.…”

Section: Introductionmentioning

confidence: 99%

Dual-Beam Leaky-Wave Antenna Array With Capability of Fixed-Frequency Beam Switching

Wang

et al. 2020

IEEE Access

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A novel fixed-frequency beam switchable dual-beam antenna array is presented, which consists five dual-beam leaky-wave antenna (LWA) elements designed on substrate integrated waveguide (SIW) and integrated together on a common substrate. The LWAs work on fundamental wave and-1th spatial harmonic wave simultaneously and excite two symmetrical radiation beams in forward and backward direction respectively. In order to realize beam switching, three voltage-driven radio frequency chip switches (CSW-RFs) are used and integrated behind the antenna aperture. Since the periodic slot in LWA causes open stopband at the operating frequency, so the staggered radius amplification of local vias in the via walls of SIW is performed to suppress the open stopband. In addition, electromagnetic band-gap (EBG) structures, capable of reducing coupling between neighboring antenna elements, are embedded in between LWAs. The proposed dual-beam antenna array with beam switching capability between ±35, ±45, ±55, ±65 and ±75 degrees at 28 GHz are simulated, fabricated and measured. Both analysis and measurement results show that the proposed antenna array exhibits an excellent performance, which can be used in fixed-frequency beamswitching millimeter wave communication. INDEX TERMS Leaky wave antenna (LWA), dual-beam, open stopband suppression, beam switching, radio frequency chip switch.

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Section: Introductionmentioning

confidence: 99%

Dual-Beam Leaky-Wave Antenna Array With Capability of Fixed-Frequency Beam Switching

Wang

et al. 2020

IEEE Access

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“…To demonstrate the advantages of the proposed CTS FSA, the performances of this design are compared with the published FSAs in Table 2. The proposed FSA has a low SLL compared with those in References [11–13, 18, 20]. Although the SLL in [17] is lower, the peak gain is low, which is difficult to improve by enlarging the transversal size.…”

Section: Fabrication and Measurementmentioning

confidence: 99%

“…Although the SLL in [17] is lower, the peak gain is low, which is difficult to improve by enlarging the transversal size. The SLL in Reference [20] is not high either, but the beam scanning range is narrow. In [18], the scanning range is wider and the peak gain is higher due to its higher profile and larger aperture.…”

Section: Fabrication and Measurementmentioning

confidence: 99%

“…In [18], a CTS array with a scanning range from −68° to 42° was presented, and the SLL was suppressed to −13.5 dB by using Taylor distribution. In [20], a CTS FSA with LSG at both ends for dual‐beam was proposed, in which SLL was reduced to −16.1 dB by symmetrically distributed stub width, while the scanning range was only from −23° to 2°. It can be found that the design of a FSA with low SLL, high gain and wide scanning angle was a big challenge.…”

Section: Introductionmentioning

confidence: 99%

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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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A Survey of Optimal Design of Antenna (Array) by Evolutionary Computing Methods

Zhang

2022

Neural Computing for Advanced Applications

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Frequency-Scanning Dual-Beam Parallel-Plate Waveguide Continuous Transverse Stub Antenna Array With Sidelobe Suppression

Cited by 7 publications

References 15 publications

Dual-Beam Leaky-Wave Antenna Array With Capability of Fixed-Frequency Beam Switching

Dual-Beam Leaky-Wave Antenna Array With Capability of Fixed-Frequency Beam Switching

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

A Survey of Optimal Design of Antenna (Array) by Evolutionary Computing Methods

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