摘要
无线接入技术可分为模拟无一接入技术和数字无线接入技术，数字无线接入系统又有多种解决方案，包括数字直接扩频技术、ＧＳＭ、ＣＤＭＡ、ＤＥＣＴ、ＰＨＳ和ＳＣＤＭＡ等。
Wireless access technologies include analog access technologies and digital access technologies. As to digital access system, there are some solutions: GSM, CDMA, DECT, PHS and SCDMA etc.. GSM and CDMA can provide high capacity, SCDMA and analog access technologies can be better used in low capacity areas and are cheaper than other solutions.
出处
《电信工程技术与标准化》
1999年第4期24-25,共2页
Telecom Engineering Technics and Standardization
关键词
无线接入
模拟无线接入技术
数字无线接入技术
频率
wireless access analog access technologies digital access technologies frequency
