摘要
文章首先概括地介绍了软件无线电的概念、实现的体系结构和关键技术 ,然后针对3G标准的大带宽、高速率、多媒体要求以及采用智能天线、多用户检测、Turbo码等技术带来的挑战 ,重点讨论了3G系统中采用软件无线电技术的难点及当前的进展情况。
The concept, architecture and key techniques of software radio are briefly introduced first, then in allusion to the great challenge brought by wide bandwidth, high data rate and multimedia requirement of 3G standard and the use of smart antenna, multiuser detection and Turbo codes, we put stress on discussing the technique difficulty in implementing 3G communication system with software radio technique and some recent development.
出处
《电信科学》
北大核心
2001年第11期40-45,共6页
Telecommunications Science