" broadband wireless ip technology " which is carried out by the staff of national key lab of theory and chief technology on integrated services network of xi ' dian university is an important research project of 863 “宽带无线ip技术”是国家863重大课题，由西安电子科技大学综合业务网理论及关键技术国家重点实验室移动计算网络课题组完成并获aa 。
Standard for local and metropolitan area networks - part 16 : air interface for fixed and mobile broadband wireless access systems - amendment for physical and medium access control layers for combined fixed and mobile operation in licensed bands 局域网和城域网标准.第16部分:固定和移动宽带无线存取系统.在许可带宽中固定和移动相结合操作的物理媒介存取控制的修改
Broadband wireless access technology is one of the main developmentes for broadband communication in 21 century . it is the pivotal technology to solve the problem of “ last one kilometer ” access and “ bandwidth bottleneck ” for 3g mobile users 宽带无线接入技术是21世纪宽带通信技术的主要发展方向之一,是解决“最后一公里”接入问题、第三代个人移动通信用户“带宽瓶颈”问题的关键技术。
Submissions on consultation paper " licensing framework for deployment of broadband wireless access - analysis of comments received , preliminary conclusions and further consultation " submissions on consultation paper " revision of regulatory regimes for fixed - mobile convergence 就宽频无线接达的发牌架构-所收意见的分析、初步结论及进一步谘询谘询文件提交的意见书(只提供英文版本)
Recently , wlan technology has developed quickly in communication field . wlan has been developed into one of the most important parts of the computer network with the increasing demands for broadband wireless communication 随着人们对宽带无线通信需求的不断增加，无线局域网技术已迅速地发展成为计算机网络中一个至关重要的组成部分，其应用领域也在飞速地扩大，无线局域网应用备受关注。
By sustentation fund from national high technology research and development project ( 863 project ) grant no . 2002aa143021 , we do an in - depth study on the security in wlan , which is a component of the security technology in broadband wireless ip network 本文在国家高技术研究发展计划( 863计划，项目编号2002aa143021 )的资助下，对宽带无线ip安全中的组成部分? ? wlan进行了深入的分析和研究。
It is believed that the wireless mimo technology will be one of the key ones that realize the high - speed broadband wireless communication in the future and has wide application prospect in the third generation or beyond third generation mobile communications 无线多入多出技术被认为是实现未来高速宽带无线通信的关键技术之一,在第三代( 3g )乃至三代以后( b3g )的移动通信系统中有着广阔的应用前景。
This paper is organized as follows : section 1 introduces the development general situation of the broadband wireless access technology and wlan , then anatomies the channel characteristic of the wlan , finally points out the mostly working of this paper 本文的结构主要分为四大块：第1章介绍了宽带无线接入技术以及无线局域网的发展概况，然后对无线局域网的信道特性进行了剖析，最后指出本文的主要工作。
Because of the special security demands of the wireless network , ipsec faces some problems in wireless network applications , especially its key exchanges protocol , that is why we will discuss the key exchange protocol of broadband wireless ip network 由于无线网络相对于有线网络有其特殊的安全需求， ipsec在无线网络应用中也存在一些问题，特别是其中的密钥交换协议，因此我们重点讨论了宽带无线ip网络中的密钥交换协议。
It is believed that the wireless memo technology will be one of the key ones that realize the high - speed broadband wireless internet access networks in the future and has wide application prospect in the third generation ( 3g ) or beyond third generation ( b3g ) mobile communications 无线mimo技术被认为是实现未来高速宽带无线internet接入网的关键技术之一，在第三代( 3g )乃至三代以后( b3g )的移动通信系统中有着广阔的应用前景。
