毫米波5G NR信号OFDM技术研究与实现  

Research and implementation of millimeter wave 5G NR signal OFDM technology

作　　者：张黎明 Zhang Liming(China Electronics Technology Instruments(Anhui)Co.,Ltd.,Bengbu 233006,China)

机构地区：[1]中电科仪器仪表(安徽)有限公司,蚌埠233006

出　　处：《电子测量技术》2020年第22期146-149,共4页Electronic Measurement Technology

基　　金：国家科技重大专项(2018ZX03001026)项目资助。

摘　　要：针对5G毫米波通信基站和终端研发、产线测试需求,设计一款可应用于"无线移动通信产业链多个环节的研发、生产、设计优化专用仪表"的OFDM调制模块。采用改进的自适应大带宽调制编码技术,基于FPGA实现5G NR宽带信号发送功率调整及循环前缀长度自动处理的OFDM调制电路,提高5G新波形、新多址信号模拟的实时性。实验结果表明,该方案能有效支持5G NR物理层的新波形、新多址和5G上行/下行信号的模拟,适合作为毫米波5G信号模拟单元的OFDM发射机实施方案,满足毫米波5G信号发生器的功能设计要求。Aiming at the needs of 5 G millimeter wave communication base stations and terminals for R&D and production line testing,designed an OFDM modulation module that can be applied to"special instruments for R&D,production and design optimization of multiple links in the wireless mobile communications industry chain".Improved adaptive large-bandwidth modulation and coding technology,based on FPGA to realize 5 G NR broadband signal transmission power adjustment and cyclic prefix length automatic processing OFDM modulation circuit,improve the real-time performance of 5 G new waveform,new multiple access signal simulation.Experimental results show that the solution can effectively support the simulation of new waveforms,new multiple access and 5 G uplink/downlink signals of the 5 G NR physical layer.It is suitable as an OFDM transmitter implementation solution for millimeter wave 5 G signal simulation units and meets the functional design requirements of the millimeter wave 5 G signal generation.

关 键 词：FPGA 5G NR 毫米波 OFDM 调制 

分 类 号：TN929.53[电子电信—通信与信息系统]