Improved Mid-field Phased Array Calibration Method Based on Complex Interpolated Signals

Authors

  • Junhao Zheng School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China
  • Zhengpeng Wang Electronic Information Engineering Beihang University, Beijing 100191, China
  • Binhui Liu 1) The 5th Electronic Research Institute Ministry of Industry and Information Technology, Guangzhou 511370, China, 2) Key Laboratory of MIIT for Intelligent Products Testing and Reliability
  • Huaqiang Gao School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China
  • Xiaoming Chen School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

DOI:

https://doi.org/10.13052/2024.ACES.J.391002

Keywords:

Complex signal, natural neighbor interpolation method, over-the-air test, phase wrapping, phased array calibration

Abstract

In this brief paper, an improved method of separate amplitude and phase interpolations is presented for the mid-field phased array calibration system. Since the amplitude is relatively continuous and the phase suffers from phase wrapping, the proposed method uses linear and phase-unwrapping natural neighbor interpolation methods to reconstruct the amplitude and phase matrices, respectively. When compared with the existing work, the proposed method is more accurate under the cost-effective over-the-air testing environment.

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Author Biographies

Junhao Zheng, School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

Junhao Zheng received the B.Sc. degree in electronic information science and technology from Shandong University, Weihai, China, in 2017, the M.Sc. degree in signal and information processing from Northwestern Polytechnical University, Xi’an, China, in 2020, and the Ph.D. degree in electronic science and technology from Xi’an Jiaotong University, Xi’an, China, in 2024. His current research interests include antenna measurement in an anechoic chamber and reverberation chamber and over-the-air (OTA) testing.

Zhengpeng Wang, Electronic Information Engineering Beihang University, Beijing 100191, China

Zhengpeng Wang (Member, IEEE) was born in Shandong, China, in 1981. He received the B.Sc. degree in electronic science and technology from Shandong University, Jinan, China, in 2004, and the M.Sc. and Ph.D. degrees in electromagnetic field and microwave technology from Beihang University, Beijing, China, in 2007 and 2012, respectively. He was a Visiting Researcher with the Antenna and Applied Electromagnetic Laboratory, University of Birmingham, Birmingham, UK, from 2009 to 2010. From 2013 to 2015, he was a Research Fellow with the University of Kent, Canterbury, UK, and the University of Science and Technology Beijing, Beijing, China. He is currently an Associate Professor with Beihang University. His current research interests include over-the-air (OTA) tests, reconfigurable antennas, compact antenna test range feed antennas, and antenna measurement.

Binhui Liu, 1) The 5th Electronic Research Institute Ministry of Industry and Information Technology, Guangzhou 511370, China, 2) Key Laboratory of MIIT for Intelligent Products Testing and Reliability

Binhui Liu received Ph.D. degree in Materials Physics and Chemistry from Sun Yat-Sen University, Guangzhou, China, in 2016. He worked as the technical director wireless communication laboratory in the Fifth Electronic Research Institute, Ministry of Industry and Information Technology, from 2016 till now. His research areas include wireless communication test technology for electronic products and vehicle communication network test technology.

Huaqiang Gao, School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

Huaqiang Gao (Member, IEEE) received the B.E. degree in electronic and information engineering from Harbin University of Science and Technology, Harbin, China, in 2016, the B.A. degree in business English from Heilongjiang University, Harbin, in 2016, and the Ph.D. degree in electronic science and technology from Beijing University of Posts and Telecommunications (BUPT), Beijing, China, in 2022. Since 2019, he has been a Visiting Ph.D. Student and a Post-Doctoral Fellow with the Antennas, Propagation and Millimeter-Wave Systems Section, Aalborg University, Aalborg, Denmark. He is currently an Assistant Professor with the School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, China. His research interests include over-the-air testing (OTA) of wireless devices, antenna measurement, and phased array calibration.

Xiaoming Chen, School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

Xiaoming Chen (Senior Member, IEEE) received the B.Sc. degree in electrical engineering from Northwestern Polytechnical University, Xi’an, China, in 2006, and the M.Sc. and Ph.D. degrees in electrical engineering from the Chalmers University of Technology, Gothenburg, Sweden, in 2007 and 2012, respectively. From 2013 to 2014, he was a Post-Doctoral Researcher with the Chalmers University of Technology. From 2014 to 2017, he was with Qamcom Research and Technology AB, Gothenburg. Since 2017, he has been a Professor with Xi’an Jiaotong University, Xi’an. His research interests include MIMO antennas, over-the-air testing, reverberation chambers, and antenna measurements. He has published more than 200 journal articles on these topics. Prof. Chen received the IEEE Outstanding Associate Editor Awards six times from 2018 to 2023, and the International Union of Radio Science (URSI) Young Scientist Award 2017 and 2018. He was the General Chair of the IEEE International Conference on Electronic Information and Communication Technology (ICEICT) 2021. He currently serves as a Track Editor for IEEE Antennas and Wireless Propagation Lettersand an Associate Editor for IEEE Transactions on Antennas and Propagation.

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Published

2024-10-31

How to Cite

[1]
J. . Zheng, Z. . Wang, B. . Liu, H. . Gao, and X. . Chen, “Improved Mid-field Phased Array Calibration Method Based on Complex Interpolated Signals”, ACES Journal, vol. 39, no. 10, pp. 855–860, Oct. 2024.

Issue

2024: Vol 39 Iss 10

Section

AM for Next Gen Wireless

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