摘要
IMT-2000是国际电信联盟(ITU)对第3代移动通信系统的统称。ITU-T 正在对 IMT-2000进行标准化。文章简要介绍了IMT-2000网络标准中业务和服务能力、IMT-2000功能结构、信令协议、保密、编号与标识等方面内容。
IMT-2000 is the general name given to third-generation mobile communications system by ITU.Now ITU-T is engaged in standardizing the IMT-2000 net- work.This paper introduces the sevices,sevice capabilities,func- tional structures,signaling proto- cols,security,numbering and i- dentification of the IMT-2000 network.
