CDMA Multi-Carrier

With the development of OFDM and CDMA technology , multi-carrier CDMA which is a combination of them in mobile communication systems becomes a trend .

随着OFDM和CDMA技术的发展，在移动通信系统中运用两者相结合的多载波CDMA成为趋势。

In order to further improve the performance of multiple access protocol , this thesis proposes two kinds of User Identification Detectors ( UID ) that apply to the single-carrier CDMA system and multi-carrier CDMA system respectively .

为了进一步提高多址接入协议的性能，本论文最后提出了两种用户识别检测器（UID），分别适用于单载波CDMA系统和多载波CDMA系统。

MC-CDMA , which combines the advantages of CDMA and OFDM , multi-carrier spread-spectrum technology is considered to be a very promising one in the future 4G communication systems .

在未来的4G的通信中结合了OFDM和CDMA优点，采用多载波和扩频技术的MC-CDMA被认为是非常具发展前景的通信系统之一。