移动通信标准

爱立信积极参与3G移动通信标准化工作

Ericsson Actively Participate in Standardization of 3G

TD-SCDMA作为我国仅仅拥有的自主知识产权的移动通信标准，却已成为了被国际电联认可的三大主流3G通信标准之一。

TD-SCDMA which has own intellectual property right of China is recognized by ITU .

TD-SCDMA是我国提出的第三代移动通信标准，也是目前国际三大主流3G标准之一。

TD-SCDMA which was proposed by China is one of the three mainstream 3rd mobile communication standards .

TD-SCDMA是拥有中国自主知识产权的第三代移动通信标准。

TD-SCDMA is China has independent intellectual property rights of the third generation mobile communication standard .

空间谱估计技术，波束形成技术及零点技术是第三代移动通信标准TD-SCDMA中，智能天线的三个重要功能。

Space spectrum estimation , beamforming and nulling are important technique in smart antenna of TD-SCDMA communication standard .

3GPP移动通信标准化进展概述

Overview of Mobile Communication Standardization Progress of 3GPP

TD-SCDMA是中国提出的国际移动通信标准，是我国的自主知识产权。

TD-SCDMA , an independent intellectual property right of China , is an international mobile communication standard proposed by China .

恰逢中国自主知识产权的移动通信标准TD-SCDMA已具备正式投入商用的能力。

Coincides with their own intellectual property rights of the Chinese mobile communication standard TD-SCDMA has the ability to put into business .

简要介绍了由我国提交并被国际电联接受的第三代移动通信标准TD-SCDMA系统及其特点。

This paper introduces the3G standard TDSCDMA system and its characteristic briefly , which is submitted by our nation and had been accepted by ITU .

LTE-A是3GPP推出的未来移动通信标准，已成为我国通信产业界关注的焦点。

As a communication standard in the future by 3GPP , LTE-A has become the focus of Chinese telecommunication industry .

第三代移动通信标准IMT-2000的统一

Unification of Third Generation Mobile Communication Standard

TD-SCDMA是由中国第一次提出的自主创新的第三代移动通信标准，日益增长的数据业务量不断上升，该系统对频率的需求已非常急迫。

TD-SCDMA is the first self-innovation standard of the third-generation mobile communication of China . With the growing of data services , the demands for frequencies are very urgent .

TD-SCDMA从被国际电联正式接纳为第三代移动通信标准到今天，经历了七年多的发展和不断完善。

From the day that ITU formally accepted TD-SCDMA as the third generation mobile communication standards to today , TD-SCDMA has undergone more than seven years of development and continuous improvement .

TD-SCDMA（时分同步码分多址）是由中国提出，并被ITU（国际电联）接纳的国际移动通信标准，是目前主流的第三代移动通信技术之一。

TD-SCDMA is an international mobile communications standard which is proposed by China and accepted by ITU . It is one of the mainstream third generation mobile communication technologies .

为改进第3代移动通信标准WCDMA中基于时分复用导频符号辅助的信道估计问题，将分形理论引入多径衰落信道的描述。

The fractal theory is applied to the description of multipath fading channels in order to improve the channel estimation using time multiplexed pilot symbols in wideband code division multiple access ( WCDMA ) systems .

近期国内外信息论的研究表明，采用多输入多输出（MIMO）技术可以极大地提高系统容量，因而使MIMO技术成为下一代移动通信标准中的核心技术。

Recent research at home and abroad shows that multi-input multi-output ( MIMO ) technology can greatly improve the system capacity . So it can make MIMO technology become the key technology for the next generation mobile system standard .

TD-SCDMA无线网络作为中国提出的第三代移动通信标准，具有很高的频谱利用率、具有灵活的业务支持性、运营成本低等方面有独特优势。

TD-SCDMA wireless network as China puts forward the third generation mobile communication standard , has the very high spectral efficiency , flexible business support , low operation cost and the like have unique advantages .

后者的连接技术是基于“第三代合作伙伴计划（3GPP）”（一个国际移动通信标准化组织）的新广播技术。

The latter 's connection is based on New Radio ( NR ) work in the 3rd Generation Partnership Project ( 3GPP ) , an international mobile telecommunications standards organization .

第三代移动通信标准选择及其牌照发放问题的核心在于我国3G标准的选择及牌照的发放（时间及数量），反映了国内外不同利益主体之间的博弈。

China 's national standard choice of the third generation mobile ( 3G ) communication and relevant licensure are discussed involving mainly the time and quality . The problem reflects the domestic and international contention of market share among different interests .

自从2000年5月，TD-SCDMA被ITU接受为第三代移动通信标准以来，TD-SCDMA技术在我国得到了政府和产业界的高度重视。

Since the TD-SCDMA is accepted by the ITU as the third generation mobile communication standard in May 2000 , the technology of TD-SCDMA have got high value of our government and the industry field .

同时由于3G移动通信标准的竞争，3G网络的商业化还需假以时日，因此世界移动通信测试仪器市场仍以第二代移动通信测试为主。

At the same time , because of the competition of the 3G mobile communication standards and long time 's waiting for the 3G network 's commercial use , the mobile communication testing market still gives the leading position to 2G productions .

作为第三代移动通信标准的TD-SCDMA技术，向具有自主知识产权的数字集群系统拓展，不仅推动我国数字集群技术的发展，而且完全符合国家利益的发展战略。

As the third generation standard of mobile communication , TD-SCDMA is expanding to the digital trunking system with independent intellectual property right which not only promotes the technology development , but also meets the national development strategy .

总体而言，该公司承诺未来几年在5G技术上投入6亿美元。5G是下一代移动通信标准，预计在下一个10年的早期投入使用。

Overall , the company has pledged to spend $ 600m over the next few years on 5G , the next wireless standard expected to come into use by early next decade .

TD-LTE是作为TD-SCDMA第三代移动通信标准的演进，它具有传输时延更低、传输速率更高、频谱资源分配更灵活等优点。

TD-LTE is the next-generation standard of TD-SCDMA which is one of the third generation mobile communication standard , it has a lower transmission delay and higher transfer rates , more flexible spectrum allocation of resources .

随着3G技术不断成熟，国际电信联盟研究制订第四代移动通信标准，在4G众多关键技术之中，软件无线电技术是通向未来4G的桥梁。

With 3G technology continues to mature , the International Telecommunication Union has begun to study the formulation of the fourth generation mobile communications standard , In many key 4G technologies , software radio technology is a bridge to the future .

TD-HSDPA是第三代移动通信标准TD-SCDMA的增强型技术，引入其的目的是为了应对日益增长的数据通信业务，提高系统的数据吞吐量和竞争力。

TD-HSDPA is an enhanced technology of TD-SCDMA , which is one of the third generation mobile communication standards , aiming at satisfying the ever-increasing data communication service and increasing the throughput and competitiveness .

LTE是未来10年内最具影响力的宽带移动通信标准之一，为了提高数据传输效率和频谱利用率，LTE系统下行链路采用了正交频分复用（OFDM）技术。

LTE is one of the most influential broadband mobile communication standards in the next 10 years . In order to increase data transmission efficiency and spectral efficiency , LTE systems adopted orthogonal frequency division multiplexing ( OFDM ) technology as the downlink transmission technology .

介绍了中国自己提出的第三代移动通信标准TD-SCDMA，描述了该系统基于软件无线电的DSP硬件平台，具体介绍了在该平台上数字基带信号处理的过程与实现。

This paper introduces TD-SCDMA , the third generation mobile communication standard proposed by China , then describes the hardware platform based on the software radio in TD-SCDMA user terminal and presents in detail the process and realization of the digital baseband signal processing technology on this DSP-based hardware platform .

TD-SCDMA移动通信标准是信息产业部电信科学技术研究院（现大唐电信集团）在国家主管部门的支持下，根据多年的研究而提出的具有一定特色的第三代移动通信系统标准。

TD-SCDMA mobile communication standard is proposed by the Ministry of Information Industry Academy of Telecommunications Technology ( now the Datang Telecom Group ) in support of national authorities , based on years of research which has certain characteristics of the third generation mobile communication system standards .

由ETSI制定的无线集群移动通信标准&TETRA标准中的很多功能是为满足警察和其他公共安全部门的特殊要求而设计的，这些特殊要求中包含了安全方面的要求。

TETRA ( Terrestrial Trunked Radio ) is a series of standards made by ETSI on digital radio trunking communications system . Many functions of TETRA are designed to meet the special requirements of police and other public safety organizations , which include information security .