Dynamic beam-stabilized, additive-printed flexible antenna arrays with on-chip rapid insight generation

Sreeni Poolakkal (), Abdullah Islam, Arpit Rao, Shrestha Bansal, Ted Dabrowski, Kalsi Kwan, Zhongxuan Wang, Amit Kumar Mishra, Julio A. Navarro, Shenqiang Ren, John D. Williams, Sudip Shekhar and Subhanshu Gupta
Additional contact information
Sreeni Poolakkal: Washington State University
Abdullah Islam: University of Maryland
Arpit Rao: Washington State University
Shrestha Bansal: Washington State University
Ted Dabrowski: The Boeing Company
Kalsi Kwan: The Boeing Company
Zhongxuan Wang: University of Maryland
Amit Kumar Mishra: University of British Columbia
Julio A. Navarro: The Boeing Company
Shenqiang Ren: University of Maryland
John D. Williams: The Boeing Company
Sudip Shekhar: University of British Columbia
Subhanshu Gupta: Washington State University

Nature Communications, 2025, vol. 16, issue 1, 1-13

Abstract: Abstract Conformal phased arrays promise shape-changing properties, multiple degrees of freedom in the scan angle, and applications for edge computing, including devices for wearable, airborne, and seaborne platforms. However, they have suffered from two critical limitations. (1) Although most applications require on-the-move communication and sensing, prior conformal arrays have suffered from dynamic deformation-induced beam pointing errors. This work introduces a dynamic beam-stabilized processor capable of beam adaptation through on-chip real-time control of fundamental gain, phase, and delay for each element. (2) Prior conformal arrays have leveraged additive printing to enhance flexibility, but conventional printable inks based on silver are expensive, and those based on copper suffer from spontaneous metal oxidation that alters trace impedance and degrades beamforming performance. Instead, we leverage a low-cost copper molecular decomposition ink with

Date: 2025
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DOI: 10.1038/s41467-025-64135-1

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