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第三代移动通信系统采用宽带码分多址 (CDMA)技术为主流技术。智能天线 (SA)是移动通信系统中抗多径衰落的关键技术 ,联合检测 (JD)是CDMA通信系统中抗多址干扰的关键技术 ,智能天线和联合检测技术相结合已成为当前宽带CDMA移动通信应用研究热点之一。本文基于数字通信时空域自适应滤波器的观点讨论单小区单载波CDMA系统基站接收所应用的智能天线和联合检测技术 ,给出了结合智能天线和联合检测的时空域滤波器结构。我国大唐电信和德国西门子联合开发的TD -SCDMA试验系统已经研发成功 ,本文在最后结合这一实例 ,阐述了智能天线和联合检测技术在目前国内TD -SCDMA系统开发中的应用
The third generation mobile communication system uses wideband code division multiple access (CDMA) technology as the mainstream technology. Smart Antenna (SA) is the key technology of anti-multipath fading in mobile communication system. Joint detection (JD) is the key technology to resist multiple access interference in CDMA communication system. The combination of smart antenna and joint detection technology has become the current wideband CDMA mobile One of the hot spots in communication application research. In this paper, based on the concept of digital communication space-time adaptive filter, we discuss the application of smart antenna and joint detection technology in single-cell single carrier CDMA system base station, and present the structure of spatio-temporal filter combined with smart antenna and joint detection. China’s Datang Telecom and Germany’s Siemens jointly developed TD-SCDMA test system has been successfully developed, the paper at the end of this example, described the smart antenna and joint detection technology in the domestic TD-SCDMA system development