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Highly‐Integrated Active Reconfigurable Broadband Van Atta Retrodirective Antenna Array.

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Title: Highly‐Integrated Active Reconfigurable Broadband Van Atta Retrodirective Antenna Array.
Authors: He, Dinglun1 (AUTHOR), Li, Shufang1 (AUTHOR), Deng, Li1 (AUTHOR) dengl@bupt.edu.cn
Source: Microwave & Optical Technology Letters. Jun2026, Vol. 68 Issue 6, p1-6. 6p.
Subjects: Antenna arrays, Surface mount technology, Radio frequency integrated circuits, Radar cross sections, Antenna design, Broadband antennas, Internet of things, Phased array antennas
Abstract: The currently available Van Atta retrodirective antenna arrays are confined to having single and fixed functions, low integration, narrow bandwidth, and a high profile. These limitations hinder their integration with other systems and confine their applications. In this letter, we incorporate surface mount technology (SMT) and radio frequency (RF) chip technology into the Van Atta retrodirective antenna array. Consequently, we develop a low‐profile, highly integrated active reconfigurable broadband retrodirective antenna array. This array can operate within the 5–6.2 GHz bandwidth, achieving a relative bandwidth of 21%. It offers an adjustable radar cross section (RCS) range of −41 ~ 20 dB. When the gain is between 0 and 10 dB, within the ±40° range, the radar RCS fluctuation doesn't exceed 3 dB, and the profile height is under 4 mm. Owing to its outstanding retrodirective performance, high‐level integration, flexible reconfigurability, and broadband characteristics, this array is highly adaptable to fields such as radar simulation, target deception, and Internet of Things (IoT) communication. [ABSTRACT FROM AUTHOR]
Copyright of Microwave & Optical Technology Letters is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 194919726
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  Data: Highly‐Integrated Active Reconfigurable Broadband Van Atta Retrodirective Antenna Array.
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  Data: <searchLink fieldCode="AR" term="%22He%2C+Dinglun%22">He, Dinglun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Shufang%22">Li, Shufang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deng%2C+Li%22">Deng, Li</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> dengl@bupt.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Microwave+%26+Optical+Technology+Letters%22">Microwave & Optical Technology Letters</searchLink>. Jun2026, Vol. 68 Issue 6, p1-6. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Antenna+arrays%22">Antenna arrays</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+mount+technology%22">Surface mount technology</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+frequency+integrated+circuits%22">Radio frequency integrated circuits</searchLink><br /><searchLink fieldCode="DE" term="%22Radar+cross+sections%22">Radar cross sections</searchLink><br /><searchLink fieldCode="DE" term="%22Antenna+design%22">Antenna design</searchLink><br /><searchLink fieldCode="DE" term="%22Broadband+antennas%22">Broadband antennas</searchLink><br /><searchLink fieldCode="DE" term="%22Internet+of+things%22">Internet of things</searchLink><br /><searchLink fieldCode="DE" term="%22Phased+array+antennas%22">Phased array antennas</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The currently available Van Atta retrodirective antenna arrays are confined to having single and fixed functions, low integration, narrow bandwidth, and a high profile. These limitations hinder their integration with other systems and confine their applications. In this letter, we incorporate surface mount technology (SMT) and radio frequency (RF) chip technology into the Van Atta retrodirective antenna array. Consequently, we develop a low‐profile, highly integrated active reconfigurable broadband retrodirective antenna array. This array can operate within the 5–6.2 GHz bandwidth, achieving a relative bandwidth of 21%. It offers an adjustable radar cross section (RCS) range of −41 ~ 20 dB. When the gain is between 0 and 10 dB, within the ±40° range, the radar RCS fluctuation doesn't exceed 3 dB, and the profile height is under 4 mm. Owing to its outstanding retrodirective performance, high‐level integration, flexible reconfigurability, and broadband characteristics, this array is highly adaptable to fields such as radar simulation, target deception, and Internet of Things (IoT) communication. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Microwave & Optical Technology Letters is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1002/mop.70648
    Languages:
      – Code: eng
        Text: English
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        PageCount: 6
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      – SubjectFull: Antenna arrays
        Type: general
      – SubjectFull: Surface mount technology
        Type: general
      – SubjectFull: Radio frequency integrated circuits
        Type: general
      – SubjectFull: Radar cross sections
        Type: general
      – SubjectFull: Antenna design
        Type: general
      – SubjectFull: Broadband antennas
        Type: general
      – SubjectFull: Internet of things
        Type: general
      – SubjectFull: Phased array antennas
        Type: general
    Titles:
      – TitleFull: Highly‐Integrated Active Reconfigurable Broadband Van Atta Retrodirective Antenna Array.
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          Name:
            NameFull: He, Dinglun
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          Name:
            NameFull: Li, Shufang
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          Name:
            NameFull: Deng, Li
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 68
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              Value: 6
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            – TitleFull: Microwave & Optical Technology Letters
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