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Hardware Acceleration of Pattern Synthesis CNN for Array Antennas Based on FPGA

  • Zhikuo Li
  • , Xiang Li
  • , Ming Bai*
  • *Corresponding author for this work
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents an FPGA-based accelerated neural network implementation for large-scale array antenna radiation pattern synthesis, addressing the critical challenges of real-time adaptive beam scanning. The methodology combines a convolutional neural network designed for radiation pattern synthesis with efficient FPGA deployment using the Vitis AI tools. Experimental validation on a 1024-element array antenna pattern synthesis demonstrates superb performance: sub-0.1° beam pointing accuracy, sidelobe level deviations constrained to within 2 dB, while reducing the synthesis time from 163.6 ms (GPU implementation) to 4.7 ms (35-fold speedup).

Original languageEnglish
Title of host publicationIEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications, NEMO 2025 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798331597993
DOIs
StatePublished - 2025
Event2025 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications, NEMO 2025 - Tianjin, China
Duration: 29 Jul 20251 Aug 2025

Publication series

NameIEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications, NEMO 2025 - Proceedings

Conference

Conference2025 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications, NEMO 2025
Country/TerritoryChina
CityTianjin
Period29/07/251/08/25

Keywords

  • CNN
  • FPGA
  • synthesis of antenna arrays

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