From Cooling to Coupling and Back: A Novel Beam Switching Heatsink Antenna Array With CSRR Embedded Isolation Wall

Feza Turgay Celik; Alexander Yarovoy; Yanki Aslan

doi:10.1109/LAWP.2023.3302572

From Cooling to Coupling and Back: A Novel Beam Switching Heatsink Antenna Array With CSRR Embedded Isolation Wall

Feza Turgay Celik, Alexander Yarovoy, Yanki Aslan

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Abstract

A novel electromagnetic-thermal codesign and optimization methodology is proposed for thermal management in active finned-heatsink antenna arrays. An innovative complementary split-ring resonator embedded dual-functional (i.e., heat-dissipating electromagnetic-isolation) wall is introduced. For concept demonstration, a two-element unit cell is designed at 26 GHz with the wall in between the antenna elements. It is shown via simulations that the proposed design decreases the junction temperature of the chip driving the elements by almost 40 $^{\circ }$C and 15 $^{\circ }$C as compared with the conventional and finned-heatsink antennas, respectively. Moreover, the port coupling level is reduced to below -25 dB near the operating frequency and a low-complexity beam- switching and nulling function is achieved.

Original language	English
Pages (from-to)	2690 - 2694
Number of pages	5
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	22
Issue number	11
DOIs	https://doi.org/10.1109/LAWP.2023.3302572
Publication status	Published - 2023

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Antenna arrays
antenna cooling
Antennas
beam switching
Cooling
Couplings
CSRR
Electromagnetic heating
Heating systems
heatsink antenna
Junctions
mutual coupling
pattern nulling

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10.1109/LAWP.2023.3302572

From_Cooling_to_Coupling_and_Back_A_Novel_Beam-_Switching_Heatsink_Antenna_Array_With_CSRR_Embedded_Isolation_WallFinal published version, 2.24 MB

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title = "From Cooling to Coupling and Back: A Novel Beam Switching Heatsink Antenna Array With CSRR Embedded Isolation Wall",

abstract = "A novel electromagnetic-thermal codesign and optimization methodology is proposed for thermal management in active finned-heatsink antenna arrays. An innovative complementary split-ring resonator embedded dual-functional (i.e., heat-dissipating electromagnetic-isolation) wall is introduced. For concept demonstration, a two-element unit cell is designed at 26 GHz with the wall in between the antenna elements. It is shown via simulations that the proposed design decreases the junction temperature of the chip driving the elements by almost 40 $^{\circ }$C and 15 $^{\circ }$C as compared with the conventional and finned-heatsink antennas, respectively. Moreover, the port coupling level is reduced to below -25 dB near the operating frequency and a low-complexity beam- switching and nulling function is achieved.",

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note = "Green Open Access added to TU Delft Institutional Repository {\textquoteleft}You share, we take care!{\textquoteright} – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. ",

year = "2023",

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AU - Aslan, Yanki

N1 - Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2023

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N2 - A novel electromagnetic-thermal codesign and optimization methodology is proposed for thermal management in active finned-heatsink antenna arrays. An innovative complementary split-ring resonator embedded dual-functional (i.e., heat-dissipating electromagnetic-isolation) wall is introduced. For concept demonstration, a two-element unit cell is designed at 26 GHz with the wall in between the antenna elements. It is shown via simulations that the proposed design decreases the junction temperature of the chip driving the elements by almost 40 $^{\circ }$C and 15 $^{\circ }$C as compared with the conventional and finned-heatsink antennas, respectively. Moreover, the port coupling level is reduced to below -25 dB near the operating frequency and a low-complexity beam- switching and nulling function is achieved.

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KW - Junctions

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From Cooling to Coupling and Back: A Novel Beam Switching Heatsink Antenna Array With CSRR Embedded Isolation Wall

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