Orthogonal Code-Based Transmitted Radiation Pattern Measurement Method for 5G Massive MIMO Antenna Systems

Seju Park; Ho Seong Lee; Jong Gwan Yook

doi:10.1109/TAP.2019.2963207

Orthogonal Code-Based Transmitted Radiation Pattern Measurement Method for 5G Massive MIMO Antenna Systems

Seju Park, Ho Seong Lee, Jong Gwan Yook

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

This article presents a novel method to measure the transmitted radiation pattern by using orthogonal encoded signals during the process of hybrid analog-digital (HAD) beamformer development. One of the most important indicators in evaluating the performance of HAD beamforming systems is the measurement of the sub-array radiation patterns. However, as the number of elements increases, the number of combinations that can create sub-arrays increases significantly, and the conventional radiation pattern measurement process becomes exhaustive. However, when an orthogonal coded signal is used for the HAD beamforming system measurement, the magnitude and phase information of each element of the HAD beamforming system, including mutual coupling, can be simultaneously obtained from a single scan. Hence, it is possible to measure all feasible sub-array patterns very efficiently. Therefore, we propose an orthogonal code-based time-domain measurement technique and validate it with full-wave time-domain simulations. The results show that it is possible to receive element pattern information independently and that any sub-array pattern can be reconstructed with an accuracy greater than 99.99%.

Original language	English
Article number	8951439
Pages (from-to)	4007-4013
Number of pages	7
Journal	IEEE Transactions on Antennas and Propagation
Volume	68
Issue number	5
DOIs	https://doi.org/10.1109/TAP.2019.2963207
Publication status	Published - 2020 May

Bibliographical note

Funding Information:
Manuscript received March 18, 2019; revised September 3, 2019; accepted December 7, 2019. Date of publication January 7, 2020; date of current version May 5, 2020. This work was supported by the Ministry of Land, Infrastructure and Transport of Korean Government through the Technology Advancement Research Program under Grant 19CTAP-C151968-01. (Corresponding author: Jong-Gwan Yook.) The authors are with the School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea (e-mail: jgyook@yonsei.ac.kr).

Publisher Copyright:
© 1963-2012 IEEE.

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1109/TAP.2019.2963207

Cite this

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title = "Orthogonal Code-Based Transmitted Radiation Pattern Measurement Method for 5G Massive MIMO Antenna Systems",

abstract = "This article presents a novel method to measure the transmitted radiation pattern by using orthogonal encoded signals during the process of hybrid analog-digital (HAD) beamformer development. One of the most important indicators in evaluating the performance of HAD beamforming systems is the measurement of the sub-array radiation patterns. However, as the number of elements increases, the number of combinations that can create sub-arrays increases significantly, and the conventional radiation pattern measurement process becomes exhaustive. However, when an orthogonal coded signal is used for the HAD beamforming system measurement, the magnitude and phase information of each element of the HAD beamforming system, including mutual coupling, can be simultaneously obtained from a single scan. Hence, it is possible to measure all feasible sub-array patterns very efficiently. Therefore, we propose an orthogonal code-based time-domain measurement technique and validate it with full-wave time-domain simulations. The results show that it is possible to receive element pattern information independently and that any sub-array pattern can be reconstructed with an accuracy greater than 99.99%.",

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note = "Funding Information: Manuscript received March 18, 2019; revised September 3, 2019; accepted December 7, 2019. Date of publication January 7, 2020; date of current version May 5, 2020. This work was supported by the Ministry of Land, Infrastructure and Transport of Korean Government through the Technology Advancement Research Program under Grant 19CTAP-C151968-01. (Corresponding author: Jong-Gwan Yook.) The authors are with the School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea (e-mail: jgyook@yonsei.ac.kr). Publisher Copyright: {\textcopyright} 1963-2012 IEEE.",

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Orthogonal Code-Based Transmitted Radiation Pattern Measurement Method for 5G Massive MIMO Antenna Systems

Abstract

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