摘要
本文简述通信技术的发展过程，分别说明数字电话通信网，公用和专用数据通信网，窄带和宽带综合业务数字网，通信网信令系统，全光通信网，智能网和个人移动通信网的技术进展。最后总结未来的Ｂ－ＩＳＤＮ是宽带、高速的光纤通信网和未来的ＰＣＮ是全球移动卫星的微波通信网，两者联合组成国家通信网基础结构。
The paper briefly describes the deyelopment trends of digital communication network technology, including the digital telephone network,public and private packet-switched data networks, narrow and broadbandintegrated services digital networks, ac7 signaling system,the future all-opticalnetwork, intelligent network, and personal communication network. Finally,the paper indicates that the fixed optical fiber communication network B-ISDNbased on SDH and ATM technologies, together with the mobile satellitecommunications for global PCN, form the National Communication NetworkInfrastructu re.
出处
《光通信技术》
CSCD
1996年第2期97-108,共12页
Optical Communication Technology
关键词
通信网
数字通信
光纤通信
卫星通信
综合业务网
s:Communication network
Digital communication
Optical fiber communication
Satellite communication
Integrated services network Personal mobile communication
