4g

The research and application of 4G are also in a positive process .

4G的研发应用也在积极进行中。

Study of the Library Information Management System in Campus Based on the 4G Network

基于4G网络的校园图书馆信息管理系统研究

Preliminary Study on Key Technology in 4G System

4G通信系统关键技术初探

Overview of the 4G Mobile Communication System and Key Technology

第四代移动通信技术（4G）及其关键技术综述

Research of 4G Mobile Communication Systems Channel Encoding / Decoding Scheme

4G移动通信系统信道编译码方案研究

A Kind of QoS Structure in 4G Based on IP

一种4G中基于IP的QoS结构

Distributed Virtual Reality Based on 4G Communication Network

基于4G通信网络的分布式虚拟现实

Discussion of 4G Network Configuration and Key Technique

关于4G网络结构及关键技术的探讨

Link Budget and Networking Analysis of FuTURE 4G TDD Trial System

FuTURE4GTDD试验系统链路预算与组网分析

A Key Technique in 4G & OFDM and Its Time Domain Synchronization

4G中的关键技术&OFDM及其时域同步

Research on the Scheme of Authentication and Key Distribution Scheme under the Environment of 4G

4G环境下身份验证与密钥分配方案的研究

Design and Implement of 4G Mobile Wireless Intercept System

4G手机无线接入系统设计及实现

Building a Novel Broadband Wireless Platform for 4G based on Ad Hoc Network

构建基于adhoc网络的4G新型宽带无线平台

A 4G version for China Mobile will be available in September .

中国移动（ChinaMobile）4G版要到9月份才能推出。

Development of 4G Technology in Japan

日本4G技术的发展动态

Comparison and Transition of Key Technologies on 3G and 4G

3G与4G关键技术的比较和过渡

Study on Key Techniques in 4G

4G中的关键技术

Research on QoS Guarantee Technology in 4G

4G系统中的QoS保证技术研究

Comparison of 4G and 3G mobile communication systems

4G移动通信系统及其与3G系统的比较研究

No US company can now build a 4G network using US-manufactured components .

如今，没有一家美国公司能够用美国制造的零部件建设一个第四代移动通信（4G）网络。

Key Technology of 4G ④ Diet ;

4G的关键技术4饮食因素；

The US is a big market and offers growth as it spends on 4G .

美国是一个大市场，美国运营商的4g网络支出带来了增长机会。

Smart Antenna Experiments for 3G and 4G Cellular Systems 3

3G和4G蜂窝系统智能天线测试

Generally , the next generation mobile communication systems are called B3G or 4G systems .

人们一般把下一代移动通信技术统称为B3G或者4G。

The Evolution of 3G to 4G and the Research Progress of 4G

3G向4G的演化及4G的研究进展

OFDM and SC-FDE & The 4G Mobile Communication Core Technique

第四代移动通信的核心技术&OFDM及SC-FDE

Therefore , the main research topics in 4G are technologies providing higher performance and greater spectral efficiency .

因此，具有高频谱效率和高性能的通信技术成为第四代移动通信（4G）重要的研究开发目标之一。

Possible Topology Architectures of 4G Radio Access Network

4G无线接入网拓扑结构展望

Therefore , OFDM has been a support technique in the 4G wideband wireless communication systems .

因此，OFDM已成为未来高速无线通信系统4G的支撑技术。

Discussion on Transition Strategy from 3G to 4G

3G向4G过渡策略探讨