Non-Uniform Planar MIMO Array Optimization Criterion in Wavenumber Domain for Aliasing-Free Wideband Near-Field 3D Imaging

Page view(s)
7
Checked on Jan 11, 2025
Non-Uniform Planar MIMO Array Optimization Criterion in Wavenumber Domain for Aliasing-Free Wideband Near-Field 3D Imaging
Title:
Non-Uniform Planar MIMO Array Optimization Criterion in Wavenumber Domain for Aliasing-Free Wideband Near-Field 3D Imaging
Journal Title:
2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI)
Keywords:
Publication Date:
30 September 2024
Citation:
Huan, M., Ma, Y., Wang, S., Liang, J., Zeng, Y., & Chin, F. (2024). Non-Uniform Planar MIMO Array Optimization Criterion in Wavenumber Domain for Aliasing-Free Wideband Near-Field 3D Imaging. 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), 175–176. https://doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10687261
Abstract:
Microwave/millimeter-wave imaging is widely desired in various applications, including remote sensing, integrated sensing and communications, security, and biomedical imaging. Sparse MIMO arrays, while cost-effective, often face aliasing artifacts due to spectral distortion in non-uniform sampling. This paper introduces an innovative optimization criterion for non-uniform planar MIMO arrays in the wavenumber domain, aiming at aliasing-free wideband near-field 3D imaging. We propose the wavenumber-range spectrum (WS) of the normal plane wave as a tool to evaluate spectral distortion in near-field non-uniform sampling. This approach utilizes the non-uniform-fast-Fourier-transform-based MIMO range migration algorithm with a modified non-uniform sampling function. Simulations show that the optimized array, with maximum peak sidelobe ratio (PSLR) in the WS, consistently maintains low sidelobe levels (SLL) in the point spread function (PSF) for central and edge targets, and thus achieves aliasing-free imaging.
License type:
Publisher Copyright
Funding Info:
There was no specific funding for the research done
Description:
© 2024 IEEE.  Personal use of this material is permitted.  Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
ISSN:
979-8-3503-6990-8
Files uploaded:

File Size Format Action
ap-s-accepted-version.pdf 365.42 KB PDF Request a copy