基于Simulink的CDMA通信系统仿真
首发时间:2010-12-24
摘要:移动通信技术的发展日新月异,目前正朝着第三代移动通信(3G)系统方向发展。CDMA(码分多址)技术以她在系统容量、业务质量、安全性和可靠性等方面的优势倍受关注,已成为第三代移动通信系统的实际应用技术。本文主要阐述了利用Simulink仿真软件完成对CDMA通信系统的建模、仿真和分析的过程。通过对码分多址技术和Simulink仿真软件的分析和掌握,对扩频技术、码分多址技术和QPSK调制解调技术等关键技术进行建模仿真,以及对CDMA系统的前向业务信道建模仿真,实现了对CDMA系统的仿真功能。
关键词: CDMA Simulink 扩频 QPSK 信道仿真
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Simulink Of CDMA Based On Simulink
Abstract:The development of mobile communication technology changes with each passing day , it is now developing in the direction of the third generation mobile communication (3 G) system . CDMA (Code Division Multiple Access) technology in her capacity in the system, operational quality, safety and reliability of the advantages of much concern, has become the practical technology of the third generation mobile communication system. This article first introduces the CDMA technology and Simulink, then makes a Simulation of the key technology of the typical CDMA system just as the spread spectrum technology, code division multiple access technology and QPSK modem technology, finally makes a Simulation of the obverse traffic channel of the CDMA system.
Keywords: CDMA Simulink spread spectrum QPSK channel simulation
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