Associated with the national 863 hi - tech project ? pplied integrated access system ? a 5gbps atm switching fabric is accomplished 本文结合国家863项目“实用化综合接入系统” ，完成atm接入网交换功能模块的研制工作。
The whole paper consists of five chapters : in chapter 1 , the definition and category of broadband access system are briefly introduced 全文共分为五章：第一章为宽带接入系统的概述部分，对接入网的概念和分类做了简要介绍。
Finally , regarding the " 863 " project " uas " , the design model of network management agent is extended to more complex system 最后，结合“ 863 ”项目“实用化综合接入系统” ，将网络管理代理的设计模型推广到更复杂的系统中。
The research of hsdpa is valuable as hsdpa is a typical wireless packet access system . however , the radio resource management is under development Hsdpa作为一个典型的无线分组接入系统,具有重要的研究价值,但目前hsdpa的无线资源管理仍未成熟。
Scdma wireless access network , the newborn wireless communication system , uses many up - to - date techniques , such as smart antennas , to solve the problem Scdma无线接入系统是一种全新的无线接入系统，它采用智能天线等新技术作为解决上述难题的有效手段。
G . shdsl dsu is a tdm mode , ram line code based cpe designed to be interoperable with the existing and future dslam or multi - service access system in the market Shdsldsu是基于tdm模式和pam线路编码的用户端设备，可与市场上现有和将来的dslam或多服务接入系统互通。
Based on theoretical research , the article expounds the project and implement of digital subscriber loop access multiplexer ( dslam ) - central office equipment of adsl system 论文根据理论研究给出了adsl接入系统的局端设备? ?数字用户环路接入复用器( dslam )的设计及实现。
Nowadays , with mobile communication technique rapidly developing , the 3g which includes wcdma , cdma2000 , td - scdma will be the future mobile access system 目前,移动通信技术高速发展,以wcdma , cdma2000 , td - scdma技术为主的第3代移动通信系统是未来移动接入系统的发展趋势。
It is the main work of this paper to research and develop 3 . 5ghz power amplifier utilizing feed - forward technology for crs in 3 . 5ghz fixed wireless access system 本文的主要工作是根据3 . 5ghz固定无线接入系统中心射频站指标要求，研制3 . 5ghz功率放大器，并采用前馈技术对其进行线性化研究。
A uniform access layer will emerge , where the new generation multi - service comprehensive access system will replace the existing various access equipments with no uniform management standard 在网络的接入层，新一代的多业务综合接入系统将逐步取代现有的、各种各样的、缺乏统一管理标准的接入设备，形成统一的接入层。
