Design and Implementation of a TDD-Based 128-Antenna Massive MIMO Prototype System

查看全文 作　　者：Xi [1]Yang;Wenjun [2]Lu;Ning [3]Wang;Karl [4]Nieman;Chao-Kai [5]Wen;Chuan [1]Zhang;Shi [1]Jin;Xiaomin [3]Mu;Ian [4]Wong;Yongming [1]Huang;Xiaohu [1]You

机构地区：[1]National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China;[2]Jiangsu Key Laboratory of Wireless Communications, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;[3]School of Information Engineering, Zhengzhou University, Zhengzhou 450001, China;[4]National Instruments, Austin 78759, Texas, USA;[5]Institute of Communications Engineering, National Sun Yat-sen University, Kaohsiung 804, Taiwan, China

出　　处：《China Communications》索引2017年第14卷第12期,共26页

基　　金：supported in part by the National Science Foundation(NSFC) for Distinguished Young Scholars of China with Grant 61625106;the National Natural Science Foundation of China under Grant 61531011;the Hong Kong,Macao and Taiwan Science and Technology Cooperation Program of China(2016YFE0123100) 摘　　要：Owing to the dramatic mobile IP growth,the emerging Internet of Things,and cloud-based applications,wireless networking is witnessing a paradigm shift.By fully exploiting spatial degrees of freedom,massive multiple-input-multiple-output(MIMO) systems promise significant gains in data rates and link reliability.Although the research community has recognized the theoretical benefits of these systems,building the hardware of such complex systems is a challenge in practice.This paper presents a time division duplex(TDD)-based 128-antenna massive MIMO prototype system from theory to reality.First,an analytical signal model is provided to facilitate the setup of a feasible massive MIMO prototype system.Second,a link-level simulation consistent with practical TDDbased massive MIMO systems is conducted to guide and validate the massive MIMO system design.We design and implement the TDDbased 128-antenna massive MIMO prototype system with the guidelines obtained from the link-level simulation.Uplink real-time video transmission and downlink data transmission under the configuration of multiple single-antenna users are achieved.Comparisons withstate-of-the-art prototypes demonstrate the advantages of the proposed system in terms of antenna number,bandwidth,latency,and throughput.The proposed system is also equipped with scalability,which makes the system applicable to a wide range of massive scenarios. 关键词：MASSIVE MIMO PROTOTYPING sys-tem software defined radio TDD

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Design and Implementation of a TDD-Based 128-Antenna Massive MIMO Prototype System

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