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Record W4415148345 · doi:10.1038/s41467-025-64135-1

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

2025· article· en· W4415148345 on OpenAlex
Sreeni Poolakkal, Abdullah Islam, A. Venkateswara Rao, Shrestha Bansal, Ted Dabrowski, Kalsi Kwan, Zhongxuan Wang, Amit Kumar Mishra, J.A. Navarro, Shenqiang Ren, Sudip Shekhar, Subhanshu Gupta

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueNature Communications · 2025
Typearticle
Languageen
FieldEngineering
TopicAntenna Design and Optimization
Canadian institutionsUniversity of British Columbia
FundersAir Force Research LaboratoryAir Force Civil Engineer CenterWashington Research FoundationU.S. Department of Defense
KeywordsConformal mapBeamformingLeverage (statistics)Phased arrayScalabilityInkwellMicrostripElectrical impedanceAntenna (radio)

Abstract

fetched live from OpenAlex

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 < 0.1% variation per °C across temperature and strain, and corrects any residual deformity in real-time using the dynamic beam-stabilized processor. Demonstrating unified material and physical deformation correction, our silicon-integrated dynamic beam-stabilized processor is low-power, low-area, and easily scalable due to tile-based architecture, thereby ideal for on-device implementations. Authors present a flexible antenna array with a processor that stabilizes beams in real-time, addressing errors from dynamic deformation. It uses a cost-effective copper ink for printing, ensuring stable performance under strain and temperature changes, suitable for wearable and portable devices.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.966
Threshold uncertainty score0.710

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.014
GPT teacher head0.250
Teacher spread0.236 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it