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3G指第三代移动通信技术。第三代移动通信技术在传输声音和数据的速度上的提升。WCDMA为宽带码分多址。CDMA2000采用多载波方式,分为两个阶段。TD-SCDMA的核心是使用智能天线等新技术,尽可能地提高CDMA系统的频谱利用率。
3G refers to the third generation mobile communication technology. The third generation of mobile communication technology in the transmission of sound and data speed upgrade. WCDMA for wideband code division multiple access. CDMA2000 multi-carrier mode, divided into two stages. At the heart of TD-SCDMA is the use of new technologies such as smart antennas to maximize the spectrum utilization of CDMA systems.