Influence Analysis of mm-Wave DUT Mounting Fixture in 5G OTA Measurement

Authors

  • Xudong An China Telecommunication Technology Labs China Academy of Information and Communications Technology, Beijing 100191 China
  • Meijun Qu School of Information and Communication Engineering Communication University of China, Beijing 100024 China
  • Siting Zhu China Telecommunication Technology Labs China Academy of Information and Communications Technology, Beijing 100191 China
  • Xiaochen Chen China Telecommunication Technology Labs China Academy of Information and Communications Technology, Beijing 100191 China

Keywords:

5G, effect, millimeter-wave, mounting fixture, OTA

Abstract

All of the test cases in the current version of TR 38.810 in 3GPP and CTIA millimeter-Wave (mm- Wave) test plan are limited to the free space configuration. However, the truly free-space condition does not exist for mm-Wave testing of 5G user equipment since no device can float in the air. Mounting fixtures and supporting structures are needed to fix the device under test (DUT) and move it in two axes. The influence of mounting fixture on 5G mm-Wave wireless device performance is analyzed in this paper. First, a common 4×1 patch array at 28 GHz is simulated as the performance baseline. Various mounting fixture thickness & various spacing between the DUT and the mounting fixture are simulated to get a quick understanding of the mounting fixture’s influence on DUT performance. In different configurations, the working frequency of the antenna would have different degrees of deviation, while the gain could decrease or increase accordingly. Then, to explain these phenomena, an equivalent circuit is extracted utilizing the transmission line theory. Finally, according to the findings, it is recommended that the thickness of the mounting structure should be equal to an integer time of 0.5 λg to minimize the impact of the fixture for practical mounting structure design.

Downloads

Download data is not yet available.

Author Biographies

Xudong An, China Telecommunication Technology Labs China Academy of Information and Communications Technology, Beijing 100191 China

Xudong An Senior Engineer, Director of Antenna and Positioning Department, China Academy of Information and Communications Technology. He has long been engaged in the research and standardization of cellular mobile communication (3G, 4G, 5G, etc.), 5G terminal test technology, large-scale array antenna system, position-based technology, gesture recognition and test system development. He has published more than ten papers and articles in journals and conferences at home and abroad, and applied for 6 patents related to mobile communication equipment testing.

Meijun Qu, School of Information and Communication Engineering Communication University of China, Beijing 100024 China

Meijun Qu received the Ph.D. degree from the School of Information and Communication Engineering, Beijing University of Posts and Telecommunications (BUPT), Beijing, China, in 2020. She is currently a Lecturer at Communication University of China, China. Her research interests include microwave passive component, antenna, metamaterial, and electromagnetic compatibility.

Siting Zhu, China Telecommunication Technology Labs China Academy of Information and Communications Technology, Beijing 100191 China

Siting Zhu R & D Engineer, Antenna and Positioning Department, China Academy of Information and Communications Technology, is engaged in the research of MIMO OTA and 5G terminal test, standard setting and related technologies, participated in the National Science and Technology Major Special "R15-oriented 5G terminal test system and platform research and development," and other projects.

Xiaochen Chen, China Telecommunication Technology Labs China Academy of Information and Communications Technology, Beijing 100191 China

Xiaochen Chen Senior Engineer, Chinese Leaders of EU FP6 GO4IT, FP7 WALTER, is responsible for several national development and reform commission projects and major special sub-project research of the Ministry of Industry and Information Technology. He is responsible for formulating more than 20 domestic and foreign communication standards, applying for / owning 6 patents, and publishing more than 20 academic papers. Now, he works at China Telecommunication Technology Labs, China Academy of Information and Communication Technology, Beijing 100876 China.

References

Y. Niu, Y. Li, D. Jin, L. Su, and A. V. Vasilakos, “A survey of millimeter wave communications (mmWave) for 5G: opportunities and challenges,” Wireless Networks, vol. 21, pp. 2657-2676, 2015.

H. Gamage, N. Rajatheva, and M. Latvaaho, “Channel coding for enhanced mobile broadband communication in 5G systems,” European Conference on Networks and Communications, pp. 1-6, 2017.

S. G. Pannala, “Feasibility and challenges of overthe-air testing for 5G millimeter wave devices,” in 2018 IEEE 5G World Forum (5GWF), pp. 304- 310, 2018.

B. Derat, C. Rowell, and A. Tankielun, “Promises of near-field software and hardware transformations for 5G OTA,” IEEE Conference on Antenna Measurements Applications, 2018.

H. Huang, “Overview of 5G mm-wave antenna design solutions in cellular phones: AiP, AiA, and AiAiP,” International Symposium on Antennas and Propagation, 2019.

CTIA, “Test Plan for Wireless Device Over-theAir Performance,” 2019.

A. K. Gautam and M. Singh, “Design of gain enhanced stacked rectangular dielectric resonator antenna for C-band applications,” in International Conference on Computing for Sustainable Global Development, pp. 119-123, 2016.

Y. Pan and S. Y. Zheng, “A low-profile stacked dielectric resonator antenna with high-gain and wide bandwidth,” IEEE Antennas and Wireless Propagation Letters, vol. 15, pp. 68-71, 2016.

S. A. Muhammad, R. Sauleau, and H. Legay, “Purely metallic waveguide-fed Fabry–Perot cavity antenna with a polarizing frequency selective surface for compact solutions in circular polarization,” IEEE Antennas and Wireless Propagation Letters, vol. 11, pp. 881-884, 2012.

J. Ren, W. Jiang, K. Zhang, and S. Gong, “A highgain circularly polarized Fabry–Perot antenna with wideband low-RCS property,” IEEE Antennas and Wireless Propagation Letters, vol. 17, pp. 853-856, 2018.

F. Deng and J. Qi, “Shrinking profile of Fabry– Perot cavity antennas with stratified metasurfaces: Accurate equivalent circuit design and broadband high-gain performance,”IEEE Antennas and Wireless Propagation Letters, vol. 19, pp. 208-212, 2020.

Y. Lv, X. Ding, and B. Wang, “Dual-wideband high-gain Fabry-Perot cavity antenna,” IEEE Access, vol. 8, pp. 4754-4760, 2020.

Downloads

Published

2021-11-06

How to Cite

[1]
X. . An, M. . Qu, S. . Zhu, and X. . Chen, “Influence Analysis of mm-Wave DUT Mounting Fixture in 5G OTA Measurement”, ACES Journal, vol. 36, no. 09, pp. 1145–1151, Nov. 2021.

Issue

2021: Vol 36 Iss 9

Section

Articles