Leveraging Mutual Coupling in Antenna-Amplifier Systems for Increased Reconfigurability
Traditional antenna array design aims at minimising the mutual coupling between the elements. When elements are fully isolated, the active impedance seen by the amplifiers does not depend on the beam steering angle. However, at the same time, the mutual coupling can not be exploited in re-configurin...
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| Format: | Article |
| Language: | English |
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IEEE
2025-01-01
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| Series: | IEEE Journal of Microwaves |
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| Online Access: | https://ieeexplore.ieee.org/document/10805495/ |
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| author | Jaanus Kalde Veli-Pekka Kutinlahti Anu Lehtovuori Alvo Aabloo Ville Viikari |
| author_facet | Jaanus Kalde Veli-Pekka Kutinlahti Anu Lehtovuori Alvo Aabloo Ville Viikari |
| author_sort | Jaanus Kalde |
| collection | DOAJ |
| description | Traditional antenna array design aims at minimising the mutual coupling between the elements. When elements are fully isolated, the active impedance seen by the amplifiers does not depend on the beam steering angle. However, at the same time, the mutual coupling can not be exploited in re-configuring the operation of the antenna-amplifier system. In this paper, we show experimentally that increased mutual coupling between array elements can broaden the operation band of the system without any sacrifice in the efficiency or transmitted power. This severely challenges the traditional design paradigm and suggests that amplifiers and antennas should be co-designed. |
| format | Article |
| id | doaj-art-02be0664b912448491c3086b121b4572 |
| institution | Kabale University |
| issn | 2692-8388 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Journal of Microwaves |
| spelling | doaj-art-02be0664b912448491c3086b121b45722025-01-15T00:04:11ZengIEEEIEEE Journal of Microwaves2692-83882025-01-0151596710.1109/JMW.2024.349931710805495Leveraging Mutual Coupling in Antenna-Amplifier Systems for Increased ReconfigurabilityJaanus Kalde0https://orcid.org/0009-0003-7696-0788Veli-Pekka Kutinlahti1https://orcid.org/0000-0002-9850-6741Anu Lehtovuori2https://orcid.org/0000-0002-5557-2220Alvo Aabloo3https://orcid.org/0000-0002-0183-1282Ville Viikari4https://orcid.org/0000-0003-2919-3646IMS Laboratory, Institute of Technology, University of Tartu, Tartu, EstoniaDepartment of Electronics and Nanoengineering, Aalto University, Espoo, FinlandDepartment of Electronics and Nanoengineering, Aalto University, Espoo, FinlandIMS Laboratory, Institute of Technology, University of Tartu, Tartu, EstoniaDepartment of Electronics and Nanoengineering, Aalto University, Espoo, FinlandTraditional antenna array design aims at minimising the mutual coupling between the elements. When elements are fully isolated, the active impedance seen by the amplifiers does not depend on the beam steering angle. However, at the same time, the mutual coupling can not be exploited in re-configuring the operation of the antenna-amplifier system. In this paper, we show experimentally that increased mutual coupling between array elements can broaden the operation band of the system without any sacrifice in the efficiency or transmitted power. This severely challenges the traditional design paradigm and suggests that amplifiers and antennas should be co-designed.https://ieeexplore.ieee.org/document/10805495/Amplifierantenna arrayfrequency bandwidthmutual couplingpatch antennasreconfigurable antenna |
| spellingShingle | Jaanus Kalde Veli-Pekka Kutinlahti Anu Lehtovuori Alvo Aabloo Ville Viikari Leveraging Mutual Coupling in Antenna-Amplifier Systems for Increased Reconfigurability IEEE Journal of Microwaves Amplifier antenna array frequency bandwidth mutual coupling patch antennas reconfigurable antenna |
| title | Leveraging Mutual Coupling in Antenna-Amplifier Systems for Increased Reconfigurability |
| title_full | Leveraging Mutual Coupling in Antenna-Amplifier Systems for Increased Reconfigurability |
| title_fullStr | Leveraging Mutual Coupling in Antenna-Amplifier Systems for Increased Reconfigurability |
| title_full_unstemmed | Leveraging Mutual Coupling in Antenna-Amplifier Systems for Increased Reconfigurability |
| title_short | Leveraging Mutual Coupling in Antenna-Amplifier Systems for Increased Reconfigurability |
| title_sort | leveraging mutual coupling in antenna amplifier systems for increased reconfigurability |
| topic | Amplifier antenna array frequency bandwidth mutual coupling patch antennas reconfigurable antenna |
| url | https://ieeexplore.ieee.org/document/10805495/ |
| work_keys_str_mv | AT jaanuskalde leveragingmutualcouplinginantennaamplifiersystemsforincreasedreconfigurability AT velipekkakutinlahti leveragingmutualcouplinginantennaamplifiersystemsforincreasedreconfigurability AT anulehtovuori leveragingmutualcouplinginantennaamplifiersystemsforincreasedreconfigurability AT alvoaabloo leveragingmutualcouplinginantennaamplifiersystemsforincreasedreconfigurability AT villeviikari leveragingmutualcouplinginantennaamplifiersystemsforincreasedreconfigurability |