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Over-the-air measurement for MIMO systems Review Articles

Jun Li, Yihong Qi, Jun Fan,jun.li@generaltest.com,yihong.qi@generaltest.com

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 8,   Pages 1046-1058 doi: 10.1631/FITEE.2000230

Abstract: For the wireless systems with high integration, OTA testing is probably the only reliable method toIn this paper, we provide an overview of the three main methods for evaluating the MIMO OTA performance, and the method, with the aim of providing a useful guideline for developing effective in future 5G-and-beyond

Keywords： 空中（OTA）测试；无线性能测试；第五代（5G）及超5代；多入多出（MIMO）；多探头法（MPAC）；辐射两步法（RTS）；混响室加通道模拟器法（RC+CE）    

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MIMO handset antenna for 5G/WLAN applications Correspondences

Yong CHENG, Jing LU, Bing-qing SHENG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 182-187 doi: 10.1631/FITEE.1900478

Abstract: We propose a dual-module multiple-input multiple-output (MIMO) antenna for portable terminals.The operating bands of the handheld terminal antenna are 5G (3.4–3.8 GHz) and WLAN (5.150–5.925 GHz).Antenna elements of 5G and WLAN are spaced to reduce coupling between antenna elements in the same module

Keywords： Fifth-generation (5G)     Handset antenna     Multiple-input multiple-output (MIMO) antenna     Decouple    

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5G evolution promoting innovation of antenna systems Correspondences

Feng GAO, Peng GAO, Wen-tao ZHU, Chen-xi ZHANG, Xian-kun MENG, Run-hong SHAN

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 188-194 doi: 10.1631/FITEE.1900561

Abstract: basic concept, background, and development of mobile communication systems from the first generation (1G)to the fifth generation (5G) including their antenna systems.We also describe the requirements for 5G networking and optimization of antenna systems, and presentWeight optimization methods of massive multiple-input multiple-output (MIMO) antennas are proposed andFinally, several ideas are given to solve the problem of power consumption of 5G antenna systems.

Keywords： Fifth generation (5G)     Massive multiple-input multiple-output (MIMO) antenna array     Power consumption     Weight    

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A novel grey wolf optimizer and its applications in 5G frequency selection surface design Research Article

Zhihao HE, Gang JIN, Yingjun WANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 9,   Pages 1338-1353 doi: 10.1631/FITEE.2100580

Abstract: In this paper, we propose a self-adaptive (SAGWO) combined with a novel optimization model of a 5GDue to its global searchability, SAGWO is suitable for solving the optimization problem of a 5G FSS that

Keywords： Grey wolf optimizer     Fifth-generation wireless communication system (5G)     Frequency selection surface    

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Prior information based channel estimation for millimeter-wave massive MIMO vehicular communicationsin 5G and beyond Research Articles

Zhao Yi, Weixia Zou, Xuebin Sun,yz17tx@bupt.edu.cn,zwx0218@bupt.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 6,   Pages 777-789 doi: 10.1631/FITEE.2000515

Abstract: (mmWave) has been claimed as the viable solution for high-bandwidth s in 5G and beyond.

Keywords： 大规模多入多出；毫米波；信道估计；车辆通信；时变    

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Non-ideal space division multiple access and its application None

Ji-ying XIANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3,   Pages 357-366 doi: 10.1631/FITEE.1700827

Abstract: We study the performance of space division multiple access (SDMA) under a non-ideal engineering situation. When the SDMA channel is of high inter-layer correlation and the condition number is large, the multiple user multiple input and multiple output user equipment (MUMIMOUE) grouping should be optimized, and in some cases further dimension-reduction should be applied. As the channel measuring is always non-ideal, we use two methods, feedback mode and non-feedback mode, in terms of performance and overhead. It is proposed that the non-feedback mode is preferable even for some non-reciprocal channels. Principle analysis and test results are given.

Keywords： Fifth generation (5G)     Condition number     Channel reciprocity     Feedback mode     Non-feedback mode    

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Zero ground clearance dual antenna pair for metal-cased fifth-generation multiple input multiple output smartphone Correspondence

Le CHANG, Wenbao HE, Xiaomin CHEN, Xiaoxue TAN, Juan CHEN, Kai KANG, Yang YANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 10,   Pages 1562-1567 doi: 10.1631/FITEE.2200119

Abstract:

The fifth-generation (5G) era has already arrived and many applications are prospering.The multiple input multiple output (MIMO) system is the key to enhancing channel capacity for both thefourthgeneration (4G) wireless communication and 5G systems.For a smartphone, the most challenging task for antenna engineers is to accommodate the numerous 4G and5G multi-port antennas while avoiding mutual coupling problems (Li Y et al., 2009, 2012; Hong, 2017;

Keywords： 天线对；第五代移动通信技术（5G）；Sub-6 GHz；极化正交；智能终端；智能手机；零净空；全金属外壳；多输入多输出（MIMO）    

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A 39 GHz Dual-Channel Transceiver Chipset With an Advanced LTCC Package for 5G Multi-Beam MIMO Systems Aticle

Yiming Yu,Zhilin Chen,Chenxi Zhao,Huihua Liu,Yunqiu Wu,Wen-Yan Yin,Kai Kang

Engineering 2023, Volume 22, Issue 3,   Pages 125-140 doi: 10.1016/j.eng.2022.04.023

Abstract:

This article presents a 39 GHz transceiver front-end chipset for 5G multi-input multi-output (MIMOBased on the chipset, a 39 GHz multi-beam prototype is also developed to perform the MIMO operation for5G millimetre wave applications.communication link for one- and two-stream transmission indicates that the multi-beam prototype can cover a 5&

Keywords： 5G     Multi-beam     Multi-input multi-output     Millimeter-wave     Transceiver     Wireless communication    

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Development of Deterministic Networking Techniques for Industrial Manufacturing

Wang Shuo, Wang Jiasen, Cai Lei, Huang Tao, Lu Hua, Liu Yunjie

Strategic Study of CAE 2021, Volume 23, Issue 2,   Pages 22-29 doi: 10.15302/J-SSCAE-2021.02.004

Abstract:

Deterministic networking for industrial manufacturing is a frontier technology with both theoretical innovativeness and technical practicability; it is significant for promoting technological innovations of the new-generation industrial Internet and for promoting the integrated development of industrial manufacturing and high-quality network, thereby providing opportunities for occupying the commanding height of network technology and seizing new economic growth points. This study investigates the development requirements for deterministic networking for industrial manufacturing from the aspects of manufacturing and communication enterprises, summarizes the development status and trends of the technology in detail, and further addresses development challenges. We classify the development stages of the technology into pilot demonstration, large-scale replication, and spontaneous innovation. Research reveals that the “deterministic network + industrial manufacturing” development in China needs to focus on the following aspects: establishing industry alliances to improve the industrial ecology, maximizing the existing public networks, carefully selecting industry development paths, increasing resource guarantee for application innovation, strengthening research on basic theories and key technologies, and training personnel through collaboration among industry, universities, and research institutes.

Keywords： manufacturing     industrial Internet     deterministic network     time-sensitive network     the fifth-generation (5G    

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Decoupling methods of MIMO antenna arrays for 5G applications: a review Review Articles

Xiao-xi ZHANG, Ai-di REN, Ying LIU

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 62-71 doi: 10.1631/FITEE.1900466

Abstract: Multiple-input multiple-output (MIMO) technique is a key technique for communication in the future.For future fifth-generation (5G) terminals, it is still a challenging task to realize desirable isolationstructures, orthogonal modes, and reduction of ground effect, and discuss the development trends of the MIMOarray in 5G smartphones.

Keywords： MIMO array     5G smartphone     Decoupling methods    

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Suboptimal network coding subgraph algorithms for 5G minimum-cost multicast networks None

Feng WEI, Wei-xia ZOU

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 5,   Pages 662-673 doi: 10.1631/FITEE.1700020

Abstract: To reduce the transmission cost in 5G multicast networks that have separate control and data planes,

Keywords： Network coding subgraph     Minimum power cost     5G     Separation architecture    

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Spatial fading channel emulation for over-the-air testing of millimeter-wave radios: concepts and experimental validations

Wei Fan, Lassi Hentilä, Pekka Kyösti,wfa@es.aau.dk

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 4,   Pages 548-559 doi: 10.1631/FITEE.2000484

Abstract: Millimeter-wave (mmWave) communication is regarded as the key enabling component for fifth-generation (5GPerformance evaluation of mmWave NR is a mandatory step and the key to ensuring the success of mmWave 5GOver-the-air (OTA) radiated method of testing mmWave NR in laboratory conditions is highly attractiveIn this paper, we first discuss the need for and challenges in OTA measurement of mmWave 5G NR underAfter that, two promising candidate solutions, i.e., wireless cable and multi-probe anechoic chamber (MPAC

Keywords： 空间信道模型；空口测试；无线线缆；多探头电波暗室；FR2验证    

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Beamforming techniques for massive MIMO systems in 5G: overview, classification, and trends for future Review

Ehab ALI, Mahamod ISMAIL, Rosdiadee NORDIN, Nor Fadzilah ABDULAH

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 753-772 doi: 10.1631/FITEE.1601817

Abstract: Massive multiple-input multiple-output (MIMO) systems combined with beamforming antenna array technologiesare expected to play a key role in next-generation wireless communication systems (5G), which will besystems and to clarify the importance of beamforming techniques in massive MIMO systems for eliminatingand resolving the many technical hitches that massive MIMO system implementation faces.have suggested an optimal beamforming technique that can provide the highest performance in massive MIMO

Keywords： Beamforming classifications     Massive MIMO     Hybrid beamforming     Millimetre-wave beamforming    

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Title Author Date Type Operation

Over-the-air measurement for MIMO systems

Jun Li, Yihong Qi, Jun Fan,jun.li@generaltest.com,yihong.qi@generaltest.com

Journal Article

MIMO handset antenna for 5G/WLAN applications

Yong CHENG, Jing LU, Bing-qing SHENG

Journal Article

5G evolution promoting innovation of antenna systems

Feng GAO, Peng GAO, Wen-tao ZHU, Chen-xi ZHANG, Xian-kun MENG, Run-hong SHAN

Journal Article

A novel grey wolf optimizer and its applications in 5G frequency selection surface design

Zhihao HE, Gang JIN, Yingjun WANG

Journal Article

Prior information based channel estimation for millimeter-wave massive MIMO vehicular communicationsin 5G and beyond

Zhao Yi, Weixia Zou, Xuebin Sun,yz17tx@bupt.edu.cn,zwx0218@bupt.edu.cn

Journal Article

Non-ideal space division multiple access and its application

Ji-ying XIANG

Journal Article

Zero ground clearance dual antenna pair for metal-cased fifth-generation multiple input multiple output smartphone

Le CHANG, Wenbao HE, Xiaomin CHEN, Xiaoxue TAN, Juan CHEN, Kai KANG, Yang YANG

Journal Article

A 39 GHz Dual-Channel Transceiver Chipset With an Advanced LTCC Package for 5G Multi-Beam MIMO Systems

Yiming Yu,Zhilin Chen,Chenxi Zhao,Huihua Liu,Yunqiu Wu,Wen-Yan Yin,Kai Kang

Journal Article

Fifth-Generation (5G) Mobile Communication Technology (English)

10 Dec 2022

Conference Videos

Development of Deterministic Networking Techniques for Industrial Manufacturing

Wang Shuo, Wang Jiasen, Cai Lei, Huang Tao, Lu Hua, Liu Yunjie

Journal Article

Fifth-Generation (5G) Mobile Communication Technology (Chinese)

7 Dec 2022

Conference Videos

Decoupling methods of MIMO antenna arrays for 5G applications: a review

Xiao-xi ZHANG, Ai-di REN, Ying LIU

Journal Article

Suboptimal network coding subgraph algorithms for 5G minimum-cost multicast networks

Feng WEI, Wei-xia ZOU

Journal Article

Spatial fading channel emulation for over-the-air testing of millimeter-wave radios: concepts and experimental validations

Wei Fan, Lassi Hentilä, Pekka Kyösti,wfa@es.aau.dk

Journal Article

Beamforming techniques for massive MIMO systems in 5G: overview, classification, and trends for future

Ehab ALI, Mahamod ISMAIL, Rosdiadee NORDIN, Nor Fadzilah ABDULAH

Journal Article