1-Bit Wideband Reconfigurable Reflectarray Design in Ku-Band
In this paper, a 1-bit wideband electronically reconfigurable reflectarray (RRA) in Ku-band is proposed. In order to achieve the wideband and reconfigurable characteristics, the stacked microstrip structure and a 1-bit "microstrip line-slot line-microstrip line" phase shifter (MSMPS) were...
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| Veröffentlicht in: | IEEE access 2022, Vol.10, p.4340-4348 |
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| creator | Xi, Bin Xiao, Yu Zhu, Kaiqiang Liu, Youwei Sun, Houjun Chen, Zengping |
| description | In this paper, a 1-bit wideband electronically reconfigurable reflectarray (RRA) in Ku-band is proposed. In order to achieve the wideband and reconfigurable characteristics, the stacked microstrip structure and a 1-bit "microstrip line-slot line-microstrip line" phase shifter (MSMPS) were introduced in this design. A novel "receiving-phase shift-transmitting" unit cell was gotten by connecting two stacked microstrip structures using MSMPS. Due to the receiving and transmitting parts are perpendicular to each other, the polarization rotation characteristic was demonstrated. To avoid the blockage of the feed horn, it was placed above the reflecting surface array with an offset angle of 25° to the normal direction. A 16\times16 obliquely-fed RRA was designed and fabricated. The measured 1-dB gain bandwidth of the RRA is 15.4%. The measured results show that the fabricated prototype can achieve beam scanning from −20° to 50° in the elevation plane, and ±50° beam scanning in the azimuth plane. |
| doi_str_mv | 10.1109/ACCESS.2021.3117693 |
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In order to achieve the wideband and reconfigurable characteristics, the stacked microstrip structure and a 1-bit "microstrip line-slot line-microstrip line" phase shifter (MSMPS) were introduced in this design. A novel "receiving-phase shift-transmitting" unit cell was gotten by connecting two stacked microstrip structures using MSMPS. Due to the receiving and transmitting parts are perpendicular to each other, the polarization rotation characteristic was demonstrated. To avoid the blockage of the feed horn, it was placed above the reflecting surface array with an offset angle of 25° to the normal direction. A <inline-formula> <tex-math notation="LaTeX">16\times16 </tex-math></inline-formula> obliquely-fed RRA was designed and fabricated. The measured 1-dB gain bandwidth of the RRA is 15.4%. The measured results show that the fabricated prototype can achieve beam scanning from −20° to 50° in the elevation plane, and ±50° beam scanning in the azimuth plane.</description><identifier>ISSN: 2169-3536</identifier><identifier>EISSN: 2169-3536</identifier><identifier>DOI: 10.1109/ACCESS.2021.3117693</identifier><identifier>CODEN: IAECCG</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Antennas ; Beam-scanning ; Broadband ; Gain ; Microstrip ; Microstrip transmission lines ; Phase shifters ; PIN diodes ; PIN photodiodes ; polarization rotation ; Receiving ; reconfigurable ; Reconfiguration ; reflectarray ; Scanning ; Substrates ; Superhigh frequencies ; Transmission ; Unit cell ; Wideband</subject><ispartof>IEEE access, 2022, Vol.10, p.4340-4348</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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In order to achieve the wideband and reconfigurable characteristics, the stacked microstrip structure and a 1-bit "microstrip line-slot line-microstrip line" phase shifter (MSMPS) were introduced in this design. A novel "receiving-phase shift-transmitting" unit cell was gotten by connecting two stacked microstrip structures using MSMPS. Due to the receiving and transmitting parts are perpendicular to each other, the polarization rotation characteristic was demonstrated. To avoid the blockage of the feed horn, it was placed above the reflecting surface array with an offset angle of 25° to the normal direction. A <inline-formula> <tex-math notation="LaTeX">16\times16 </tex-math></inline-formula> obliquely-fed RRA was designed and fabricated. The measured 1-dB gain bandwidth of the RRA is 15.4%. 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In order to achieve the wideband and reconfigurable characteristics, the stacked microstrip structure and a 1-bit "microstrip line-slot line-microstrip line" phase shifter (MSMPS) were introduced in this design. A novel "receiving-phase shift-transmitting" unit cell was gotten by connecting two stacked microstrip structures using MSMPS. Due to the receiving and transmitting parts are perpendicular to each other, the polarization rotation characteristic was demonstrated. To avoid the blockage of the feed horn, it was placed above the reflecting surface array with an offset angle of 25° to the normal direction. A <inline-formula> <tex-math notation="LaTeX">16\times16 </tex-math></inline-formula> obliquely-fed RRA was designed and fabricated. The measured 1-dB gain bandwidth of the RRA is 15.4%. 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| subjects | Antennas Beam-scanning Broadband Gain Microstrip Microstrip transmission lines Phase shifters PIN diodes PIN photodiodes polarization rotation Receiving reconfigurable Reconfiguration reflectarray Scanning Substrates Superhigh frequencies Transmission Unit cell Wideband |
| title | 1-Bit Wideband Reconfigurable Reflectarray Design in Ku-Band |
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