Double-sided Parallel-strip Line-based Leaky-wave Antenna with Full-space Beam Scanning Property

WANG Henghui; SUN Sheng; LIU Nengwu; LIU Yuanan

doi:10.11999/JEIT230067

Volume 46 Issue 2

Feb. 2024

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Article Navigation > Journal of Electronics & Information Technology > 2024 > 46(2): 705-712

WANG Henghui, SUN Sheng, LIU Nengwu, LIU Yuanan. Double-sided Parallel-strip Line-based Leaky-wave Antenna with Full-space Beam Scanning Property[J]. Journal of Electronics & Information Technology, 2024, 46(2): 705-712. doi: 10.11999/JEIT230067

Citation:

WANG Henghui, SUN Sheng, LIU Nengwu, LIU Yuanan. Double-sided Parallel-strip Line-based Leaky-wave Antenna with Full-space Beam Scanning Property[J]. Journal of Electronics & Information Technology, 2024, 46(2): 705-712. doi: 10.11999/JEIT230067

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Double-sided Parallel-strip Line-based Leaky-wave Antenna with Full-space Beam Scanning Property

doi: 10.11999/JEIT230067 cstr: 32379.14.JEIT230067

1.
School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
2.
School of Electronic Engineering, Xidian University, Xi’an 710071, China
3.
School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Funds: The National Natural Science Foundation of China (61971115, 61721001)

Received Date: 2023-02-17
Rev Recd Date: 2023-07-03

Available Online: 2023-07-14

Publish Date: 2024-02-29

Abstract

Abstract

Design investigation of a leaky-wave antenna aimed to acquire continuous beam scanning from the backfire direction to the endfire direction is presented on a Double-Sided Parallel-Strip Line (DSPSL) structure. The unit cell comprises a DSPSL structure and a pair of inverted open-ended stubs attached to the top and bottom strips, respectively. The loaded stubs act as a dipole and provide omnidirectional radiation performance, contributing to the full-space beam scanning potential of the leaky-wave antenna. To eliminate the open-stop band effect, two pairs of series slots are etched on the transmission line to meet the frequency balanced condition and match the Bloch impedance. Experiments of the designed prototype were consistent with the simulation, revealing that as the frequency varies from 7.6 GHz to 14.0 GHz, the proposed leaky-wave antenna radiates beams from the backfire direction through the broadside to the endfire direction.
- Leaky-wave antenna,
- Full-space beam scanning,
- Bloch impedance,
- Open-stop band suppression,
- Double-sided parallel-strip line

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References(25)

References

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