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A 1-bit phase reconfigurable fixed-frequency wide-angle steering leaky-wave antenna

  • Jian Qiao Han
  • , Fan Yi Meng*
  • , Xiaolong Wang*
  • , Yu Hang Liu
  • , Chang Ding*
  • , Tao Jin*
  • , Guanlong Huang*
  • , Shanshan Xu*
  • , Bo Lv*
  • , Qun Wu
  • *Corresponding author for this work
  • School of Electronics and Information Engineering, Harbin Institute of Technology
  • Zunshen Starlink Technology Co
  • Jilin University
  • Air Force Engineering University Xian
  • Foshan University
  • Harbin First Specialist Hospital
  • Harbin Engineering University

Research output: Contribution to journalArticlepeer-review

Abstract

A 1-bit phase reconfigurable fixed-frequency beam steering leaky-wave antenna (FBSLWA) with wide-angle steering is proposed in this paper. By controlling two p-i-n diodes on the branches of the element, a stable 180° phase difference is realized. Moreover, the open stop-band effect at the broadside radiation is suppressed by reducing the reflection coefficients of the element. The proposed FBSLWA can achieve wide-angle steering within a frequency bandwidth of 10.4 GHz-11.8 GHz. As for the measured results, they show that the achievable beam steering ranges of the FBSLWA at 10.4 GHz, 11.0 GHz, and 11.8 GHz are −61° to +59°, −64° to +71°, and −62° to +58° respectively, with measured peak gains of 12.1 dBi, 13.9 dBi, and 11.7 dBi.

Original languageEnglish
Article number015001
JournalJournal of Physics D: Applied Physics
Volume57
Issue number1
DOIs
StatePublished - 5 Jan 2024
Externally publishedYes

Keywords

  • beam steering
  • fixed-frequency
  • leaky-wave antenna (LWA)
  • reconfigurable 1-bit phase
  • wide-angle steering

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