本文首先简单地介绍移动通信发展以及第三代移动通信 (3G)的技术特征和实现目标 ,并阐述了如何用多址来解决通信资源紧缺的问题。随后重点讲述智能天线的定义、优点、组成、工作原理、信道模型以及要解决的关键技术问题和发展现状。最后 ,提出了智能空分多址的概念 ,并对智能天线未来的发展进行了分析和预测。In this paper the development of mobile communication is firstly introduced.The technical features and aim of the 3rd generation mobile communication are given.How to solve the lack of communication sources with multi-access is also described. Then the definition, construction, operation principle , channel models, key technology, developing situation of smart antenna are presented. Finally, the concept of smart spatial-division-multi-access (SSDMA),analysis and predication about future development of smart antenna is provided
