软件无线电技术及其应用前景

Software-defined Radio Technology and Its Application Prospect

简要介绍了软件无线电的起源、概念、基本结构和灵活性、开放性的特点。论述了软件无线电的总线标准、宽带/多频段天线、A/D和D/A转换器、高速并行的DSP、信令处理等关键技术。同时介绍了目前软件无线电的发展状况,特别是在第三代移动通信领域的发展,最后阐述了软件无线电在军用和民用领域的应用前景,尤其是在商用移动通信领域的应用前景。

This paper briefly introduces the characteristics of software - defined radio such as origin, concept, basic structure and flexibility and openness, and it discusses the key technology of software - defined radio such as bus standard, broadband / multi - band antenna, A/D and D/A converter, high- speed parallel DSP, signaling processing. At the same time it introduces the current developmental status of software - defined radio, especially, in the field of development of G3 mobile communication. Lastly, it expounds software - defined radio application prospect in the military and civil fields, especially, in commercial mobile communication field.