Millimeter-wave frequency-diverse imaging with phased array intended for communications

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Journal Title
Journal ISSN
Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Date
2021
Major/Subject
Mcode
Degree programme
Language
en
Pages
10
69-78
Series
Progress In Electromagnetics Research M, Volume 101
Abstract
This paper presents a recent progress in a millimeter-wave imaging done with a potential 5G base-station phased-array antenna exhibiting frequency-diverse, non-focused beams. The presented imaging system operates in 24–32 GHz band and is the first realization where phased arrays primarily developed for 5G communications are utilized in a frequency-diverse imaging application. The image reconstruction method solves the linear inverse problem with an iterative algorithm, and several images have been reconstructed based on the measurement data. Currently, a metallic sphere can be successfully located in the target space. However, future work is still required, and the paper further discusses the possibilities and restrictions of the current imaging setup.
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Citation
Leino , M K , Bergman , J , Ala-Laurinaho , J & Viikari , V 2021 , ' Millimeter-wave frequency-diverse imaging with phased array intended for communications ' , Progress In Electromagnetics Research M , vol. 101 , pp. 69-78 . https://doi.org/10.2528/PIERM20120102