Over-the-air measurement for MIMO systems

Jun LI; Yihong QI; Jun FAN

doi:10.1631/FITEE.2000230

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Over-the-air measurement for MIMO systems

Regular Papers | Updated：2022-05-19

- Over-the-air measurement for MIMO systems
- 多入多出系统的空口测量
- Frontiers of Information Technology & Electronic Engineering Vol. 22, Issue 8, Pages: 1046-1058(2021)
- Affiliations：
  
  College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
  General Test Systems Inc., Shenzhen 518054, China
  Department of Research and Development, Peng Cheng Laboratory, Shenzhen 518000, China
  Department of Research and Development, LinkE Technologies (Hengqin), Zhuhai 519030, China
- Author bio：
  
  [ "Jun LI, E-mail: jun.li@generaltest.com" ]
  Yihong QI, E-mail: yihong.qi@generaltest.com
- Funds：
- DOI：10.1631/FITEE.2000230
  CLC： TN929.5
- Received：12 May 2020，
  
  Revised：2021-;7-14，
  
  Published：2021-08
- Accepted：
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Jun LI, Yihong QI, Jun FAN. Over-the-air measurement for MIMO systems[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(8): 1046-1058.
DOI：

Jun LI, Yihong QI, Jun FAN. Over-the-air measurement for MIMO systems[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(8): 1046-1058. DOI： 10.1631/FITEE.2000230.

摘要

空中测试（OTA）是评估无线设备中收发性能的一种行业标准做法。对于第五代（5G）和更高集成度的无线系统，OTA测试可能是能够准确测量收发器性能的唯一可靠方法，可用于设备认证，并为设计验证和优化提供反馈。此外，多入多出（MIMO）技术被广泛用于稳定连接、高吞吐率和低延迟的无线系统中。本文概述了评估OTA MIMO性能的3种主要方法，即多探头法（MPAC）、混响室加信道模拟器（RC+CE）方法和辐射两步法（RTS），目的是为5G及未来无线系统的无线性能测试提供有用指导。

Abstract

Over-the-air (OTA) testing is an industry standard practice for evaluating transceiver performance in wireless devices. For the fifth generation (5G) and beyond wireless systems with high integration

OTA testing is probably the only reliable method to accurately measure the transceiver performance

suitable for certification as well as for providing feedback for design verification and optimization. Further

multiple-input multiple-output (MIMO) technology is extensively applied for stable connection

high throughput rate

and low latency. In this paper

we provide an overview of the three main methods for evaluating the MIMO OTA performance

namely

the multiprobe anechoic chamber (MPAC) method

the reverberation chamber plus channel emulator (RC+CE) method

and the radiated two-stage (RTS) method

with the aim of providing a useful guideline for developing effective wireless performance testing in future 5G-and-beyond wireless systems.

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references

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