宽带无线接入技术

对发展3G和移动宽带无线接入技术的思考

Consideration on Developing 3G and Broadband Wireless Access Technologies

摘要：随着宽带无线接入技术的发展，WIMAX无线网络应用也越来越广泛。

With the development of broadband wireless access technology , WIMAX wireless network applications are increasingly widespread .

以WiMAX为代表的新型宽带无线接入技术，为宽带无线市场注入了新的活力。

On behalf of new broadband wireless acess technology , WiMAX bring new energy to broadband wireless markets .

目前，宽带无线接入技术和IPv6技术正成为全球通信市场和研究领域的焦点。

In those days , wideband wireless technology and IPv6 technology have become the hot points of the whole telecommunication market and research field .

近年来，作为一种新兴的宽带无线接入技术，WiMAX受到业界的普遍关注。

In recent years , as an emerging broadband wireless access technology , WiMAX is general concerned by the industry .

WiMax是一项新兴的宽带无线接入技术，能提供面向互联网的高速连接。

WiMax is an emerging technology of broadband Wireless access , and it can provide high-speed connection with the Internet .

挑战3G的宽带无线接入技术FLASH-OFDM

Broadband Wireless Access Technology FLASH-OFDM Challenging 3G

OFDM通信技术是多载波传输技术的典型代表，被广泛应用于下一代移动通信系统和各种宽带无线接入技术中。

OFDM multi-carrier communication technology is a typical representative of transmission technology is widely used in next generation mobile communication systems and a variety of broadband wireless access technology .

作为一种新型宽带无线接入技术，无线Mesh网络结合了WLAN和移动adhoc网络两者的优势，具有广阔的应用前景。

As a new broadband wireless access system , Wireless Mesh Networks possesses the merits of WLAN and wireless Ad Hoc networks , so it has a great future for application .

作为一种新型的宽带无线接入技术，本地多点分配业务（LMDS）以其丰富的业务类型、较高的接入速率和可靠性以及广阔的商用前景将成为未来几年内通信领域重点发展的技术之一。

As a new broadband wireless access technology , LMDS may become one of key technologies in area of telecommunication .

本论文主要讲述了WIFI作为一种新型的宽带无线接入技术，它具有更快的传输速度和更长的传输距离。

This paper focuses on the WIFI as a new type of broadband wireless access technology , it has a faster transfer speeds and longer transmission distance .

尤其是伴随WiMAX等宽带无线接入技术的不断发展与成熟，HSPA技术无法满足未来多样化的多媒体业务的需求。

Especially with the developments of wideband wireless access technology like WiMAX , HSPA technology could not satisfy the variable streaming service in the future .

WiMAX技术是目前受到广泛关注的宽带无线接入技术，用以替代传统的有线连接方式，解决最后一英里接入问题。

WiMAX technology is one of the most popular BWA ( Broadband Wireless Access ) technologies , which is expected to solve the last-mile problem instead of classical wired connections .

WiMAX（全球互通微波接入）技术近年来发展迅速，逐渐成为宽带无线接入技术的热点之一。

The Worldwide Interoperability for Microwave Access ( WiMAX ) technology has rapidly developed in recent years . It is becoming one of the hotspots among broadband wireless access technologies .

另一方面，宽带无线接入技术（如UWB、WiMAX、3G以及B3G）由于其移动性和灵活性优势也进入了标准化阶段或商用化阶段。

On the other hand , wireless broadband access technologies ( such as UWB , WiMAX , 3G and B3G ) became standard and commercial because of its advantages such as mobility and flexibility .

阐述了宽带无线接入技术的发展现状以及未来发展趋势，主要分析了其中的WiMAX、UMTS、TDD、FLASH-OFDM技术。

This article presents the status quo and development trend of broadband wireless access technologies , and especially analyzes the WiMAX , UMTS , TDD , and FLASH-OFDM technology .

本地多点分配业务LMDS是一种宽带无线接入技术，详细阐述了LMDS系统的网络结构、技术特点以及网络规划设计；

LMDS ( Local Multipoint Distribute Service ) is a broadband wireless access technology . The network structure , technology characteristic and network planning of LMDS system is expounded .

本地多点分配系统（LMDS）近年来作为一种宽带无线接入技术发展很快，已经成为国内外通信界的关注焦点之一。

LMDS ( Local Multi-point Distribution Service ) is a new technology on local wireless access network which has developed very fast and many country pay much attention to it .

本文介绍了下一代宽带无线接入技术WiMAX的技术特点，并将WiMAX技术与Wi-Fi进行了对比，最后叙述了WiMAX发展面临的问题。

This paper introduces the technology specialties of the next generation broadband access technique WiMAX . Next , it compares WiMAX with Wi-Fi . Finally , the thesis illustrates the problems that face the development of WiMAX .

目前的接入网技术主要有基于金属线缆的xDSL技术、基于HFC的CABLEModem技术、基于五类双绞线的以太网接入技术，以及光纤接入技术和宽带无线接入技术等。

The current access network technologies mainly include xDSL access technology based on metal cable , Cable Modem access technology based on HFC , Ethernet access technology based on five twisted pair , optical fiber access technology and broadband wireless access technology .

无线通信技术的进步大大推动了无线网络的发展，WiMAX宽带无线接入技术为用户提供宽带网络接入和多媒体服务，解决了最后一公里的接入问题，受到了广泛关注。

Wireless communications technology progress greatly promotes the development of wireless network , WiMAX broadband wireless access technology provides users with broadband access and multimedia services , which solves the last mile problem and is received widespread access .

本文介绍了基于IEEE802.16系列标准宽带无线接入技术WiMAX的概念，叙述了WiMAX技术研究的历史和现状及其技术标准，详细阐述了WiMAX的关键技术，最后给出了WiMAX技术今后的研究方向和应用前景。

The concept of WiMAX based on the IEEE 802.16 family of standards is presented . The research history , the present situation and the technology standards about the WiMAX are proposed . The key technologies of the WiMAX are discussed in detail .

随着宽带无线接入技术和移动通信融合的步伐不断推进，涌现出了许多新兴的宽带无线接入技术，为了应对挑战并保证自身的竞争力，3GPP启动了LTE项目。

With the integration of broadband wireless access technology and mobile communication constantly pacing up , many broadband wireless access technologies have emerged . In order to deal with the challenges and to ensure its own competitiveness , 3GPP launched the LTE Project .

并且电网的快速发展，对电力通信网的发展也起着推动作用。WiMAX全称为全球微波接入互操作性联盟，又称为802.16无线城域网，是一种宽带无线接入技术。

And with the fast developing power grid , it will also promoting the development of power communication network . WiMAX , which is Worldwide Interoperability for Microwave Access , also known as the 802.16 wireless metropolitan area network is a broadband wireless access technology .

宽带无线接入技术的发展现状与趋势

The Status Quo and Development Trend of Broadband Wireless Access Technologies

无线城域网技术是继无线局域网之后出现的又一项宽带无线接入技术。

Wireless MAN is another wireless broadband access technology after wireless LAN .

宽带无线接入技术的运营及应用发展

Broadband Access Technology and its Application Development in Operation

第一章介绍了宽带无线接入技术的发展，比较了当要的主要实现方式。

Chapter I gives a brief survey of the development of Broadband Wireless Access .

微波光子变频技术是随着下一代宽带无线接入技术的需求而发展起来的一项关键技术。

Optical-microwave mixing technology is developing with the needs of the future wireless-access networks .

规划提出进行宽带无线接入技术的研究开发与产业化。

One : theplanproposes to research , develop , and industrialize broadband wireless access technology .