IMT-2000

The Present Situation and the Development of IMT-2000 Wireless Interface Standards

IMT-2000无线接口标准的现状及发展

An Introduction to IMT-2000 System Network

IMT-2000系统网络概述

China should actively participate IMT-2000 research activities

中国应积极参与IMT-2000的研究

Performance of SISO-OFDM Systems Based on Turbo Product Codes over IMT-2000 Channels

基于Turbo乘积码的SISO-OFDM系统在IMT-2000信道下的性能

IMT-2000 : functional requirements , interfaces and schemes of transition

IMT-2000的功能要求、接口及过渡方案

IMT-2000 is the general name given to third-generation mobile communications system by ITU .

IMT-2000是国际电信联盟（ITU）对第3代移动通信系统的统称。

Comparison of the Main Technologies of IMT-2000

IMT-2000主流技术标准的比较

Introduction of ITU-R Recommendations of IMT-2000 3G Mobile Communication Systems

第三代移动通信IMT-2000的ITU-R推荐标准概述

Application of the Turbo Code in IMT-2000

Turbo码在IMT-2000中的应用

IMT-2000 Air Interfaces Based on CDMA

基于CDMA的IMT-2000空中接口

Tariff , Balance and Billing Methods of IMT-2000

IMT-2000的资费、结算及计费方法

The making up of Chinese IMT-2000 RTT Evaluating & Coordinating Group and the IMT-2000 research activities in China are introduced in this paper .

文章重点介绍了我国IMT-2000无线传输技术评估小组的构成情况以及开展IMT-2000研究活动的基本思路。

Realization of IMT-2000 Base-Band Channel Simulator

IMT-2000基带实时信道模拟器设计

The paper briefly introduces some issues re - lated to satellite communications in UMTS and IMT-2000 in order to arouse general concern .

文章扼要介绍了UMTS和IMT-2000中卫星通信部分的有关问题，以期引起各界的关注。

The thesis analyses all modules of the IMT-2000 channel hardware real-time emulator , reveals the excellent outcome of its performance simulation , and proves its practicability .

对提出的IMT-2000信道硬件实时仿真器的各子模块做了详细的理论分析与性能仿真，论证了该模型的可用性与实用价值。

Turbo code shows an excellent performance close to Shannon 's performance limit . With its effective channel coding , it has been widely used in the IMT-2000 system of broadband mobile communications .

Turbo码在Shannon极限附近有着优异的特性，是一种有效的通信信道编码方式，因此在宽带移动通信的IMT-2000体系中得到了广泛应用。

In IMT-2000 standards , CDMA has become the primary multiple access technique because of its many benefits , but CDMA system are interference-limited , so more efficient interference suppression techniques are required .

在IMT-2000标准中，CDMA以其固有的诸多优点成为主流多址方式，而CDMA是干扰受限系统，因此必须采取更为有效的干扰抑制技术。

Encoding and decoding of turbo codes with the W-CDMA standard in IMT-2000 is introduced . The IP core of the encoder is designed with two component code encoders returning to zero simultaneously .

深入研究了Turbo码编译码理论，结合IMT-2000中W-CDMA标准进行编码器IP核设计，实现了两个分量编码器同时归零；

This paper introduces the characteristics of the IMT-2000 network technology recommended by ITU and the development of the ITU related recommendations . It describes the concept of IMT-2000 Family , the compatibility and evolution of the network as well as the principle and the scenario of network implementation .

简要介绍了国际电联（ITU）建议的IMT-2000网络技术方面的特点，以及ITU的相关建议制订情况，阐述了IMT-2000家族的概念、网络的兼容和过渡及网络实现的原则和方案。

The third generation mobile communications system IMT-2000 is put forward by ITU in 1987 and it is expected to come into commercial use in the year 2000 . With the speed-up of ITU standardization of IMT-2000 , many countries are actively submitting candidacy radio transmission technologies ( RTF ) .

第三代移动通信IMT-2000系统是国际电联1987年提出的，预期在2000年左右投入商用.近来，随着ITU对IMT-2000标准化工作进程的加快，各国都在争相提供各自的候选技术方案。