摘要
对移动通信中采用多模手机的必要性及各种不同的软件无线电结构进行了描述,提出了采用软件无线电技术低中频原则,可接收多种移动通信体制信号的多模接收机结构,并对该结构的优缺点及决定资源需求的各种因素进行了讨论。
The necessity of using multimode mobile telephone in mobile communication and the various structures of software radio are described. The multimode receiver structure which can receive multi-standards mobile communication signals is presented. The structure adopts low IF principle of software radio technology. The advantages, disadvantages and the factors which determine the resource's requirement are discussed.
出处
《电讯技术》
北大核心
2003年第5期37-40,共4页
Telecommunication Engineering
关键词
软件无线电
多模接收机
移动通信
多模手机
低中频
Mobile Communiantion
Software radio
Multimode mobile phone
Low IF principle
