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作 者:郭俊杰 Guo Junjie(Hebi Tianhai Electronic Information System Co.,Ltd.,Nanjing Branch,Nanjing 210012,China)
机构地区:[1]鹤壁天海电子信息系统有限公司南京分公司,江苏南京210012
出 处:《无线互联科技》2023年第6期1-3,25,共4页Wireless Internet Technology
摘 要:随着社会经济及信息技术的发展,移动通信得到了越来越广泛的应用。移动通信射频架构和数字收发器作为设备关键部件,其性能指标的优劣对移动通信设备的使用推广至关重要。文章综述了移动通信典型射频架构和数字收发器方案设计,分析了超外差接收机、直接下变频接收机及镜像抑制接收机、DDC原理及抽取、改进型直接下变频接收机、数字单载波、多载波发射机等设计方案的优缺点及对系统应用指标的影响,为移动通信设备方案遴选提供了基础支撑。With the development of social economy and information technology,mobile communication has been more and more widely used.As the key components of the equipment,the performance indicators of the mobile communication RF architecture and the digital transceiver are crucial to the use and promotion of the mobile communication equipment.This paper summarizes the mobile communication typical radio frequency architecture and digital transceiver scheme design,analyzes the super heterodyne receiver,direct lower side frequency receiver and mirror suppression receiver,DDC principle and extraction,improved direct down frequency conversion receiver,digital single carrier,multi-carrier transmitter and other advantages and disadvantages and the influence on the system application index,provides the basic support for the mobile communication equipment scheme selection.
分 类 号:TN924[电子电信—通信与信息系统]
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