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目前,从欧盟ＡＣＴＳ(先进技术和业务)研究和开发计划来看,有三个不同但又彼此相关的网络平台成为大量研究的重点。这三个平台是ＵＭＴＳ(通用移动通信系统)、ＭＢＳ(移动宽带通信系统)和ＷＬＡＮ(无线局域网)。本文目的在于提供针对这些不同网络原理研究和开发的概述。ＵＭＴ
Currently, from the ACTS (Advanced Technology and Business) research and development program in the EU, there are three different but related network platforms that have become the focus of much research. The three platforms are UMTS (Universal Mobile Telecommunications System), MBS (Mobile Broadband Communication System) and WLAN (Wireless Local Area Network). The purpose of this article is to provide an overview of the research and development on these different network principles. UMT