固定无线接入

宽带固定无线接入网MAC层设计

Design of MAC for Broadband Fixed Wireless Access Network

有线与固定无线接入的集成：光纤、DSL和LMDS

The Integration of Wireline and Fixed Wireless Access : Fibre , DSL and LMDS

固定无线接入技术主要有多路多点分配业务（MMDS）和本地多点分配业务（LMDS）。

Fixed broad-band wireless access technology mainly refers to MMDS and LMDS .

LMDS固定无线接入网的网络设计

Network design of LMDS fixed wireless access network

基于LMDS的固定无线接入技术

Fixed Wireless Access Technology Based on LMDS

第四，以WiMAX固定无线接入和WLAN驻地组网为场景，进行了经济（成本）分析，得到这两种场景下的成本函数。

Economic cost analysis is made and cost formula is gained for FMC under the scenes of WiMAX fixed-mobile access architecture and WLAN local access .

SCDMA作为固定无线接入系统具有频谱利用率高、成本低等诸多优势。

As a WLL system , SCDMA has the advantages in frequency and cost effective .

研究得出的降雨衰耗和降雨衰减系数值，不仅对WLAN的固定无线接入，而且对移动通信都具有参考价值。

The research result and the rain attenuation coefficient thus obtained provide valuable reference not only in WLAN and immobile wireless accessibility but also in mobile communi - cation .

本地多点分配业务（LMDS）&新兴的宽带固定无线接入技术

Local Multipoint Distribution Services ( LMDS ) - A newly - developed technology of fixed broadband wireless access

WiMAX（即全球微波接入互操作性）是一种基于IEEE802.16-2004标准的宽带无线技术，该技术的目的在于统一固定无线接入的空中接口。

WiMAX ( Worldwide Interoperability for Microwave Access ) is an IEEE 802.16-2004 standards-based broadband wireless technology , aiming at the unification of air interface for the fixed wireless access .

MAC层是宽带固定无线接入网的核心部分，文中从研究MAC层功能出发，着重提出了实现MAC层功能的关键技术方案，最后介绍了FPGA芯片的实现。

MAC is the core component of Broadband Fixed Wireless Access Network . In this paper , the functions of MAC are discussed and key technology schemes for implementing them are focused on . Finally , FPGA implementation is introduced .

其次，论文针对固定无线接入系统的六种SUI测试信道模型，给出一种便于工程实现的基于模型匹配判决的信道估计算法。

Secondly , for the SUI testing channel models of fixed broadband wireless access systems , we present a model-based judging method which can make a decision of current channel profile via limited estimated samples .

固定无线接入的标准化、应用及存在的问题

The Standardization , Application and Problems of Fixed Wireless Access Technology

多信道多点分配系统&一种新的宽带固定无线接入技术

Multichannel Multipoint Distribution System-A new technology of fixed broadband wireless access

中国网通对3.5GHz固定无线接入资源的需求及应用

Need and Application of China Netcom for 3.5 GHz Frequency Resource

一种新型的固定无线接入系统控制台

A Novel Control Panel for Fixed Wireless Access System

一种语音业务固定无线接入方案

A Novel Fixed Wireless Access System for Voice Service

宽带固定无线接入技术与未来发展

Fixed broadband wireless access technology and its future developments

宽带固定无线接入技术的研究现状与关键技术

Key Technologies and Currrent R & D Level of Broadband Fixed Radio Access

中国联通3.5GHz固定无线接入系统的建设发展思路

Thinking of China Unicom about Construction of 3.5 GHz Fixed Wireless Access System

3.5GHz固定无线接入市场令人关注

Remarkable 3.5 GHz Fixed Wireless Access Market

国外宽带固定无线接入许可证发放现状

Broadband FWA Licensing Status in the World

几种热门宽带固定无线接入技术的对比分析

Comparative Analyses of some Popular Kinds of Wireless Connecting Systems and Advantages and Disadvantages of Them

宽带固定无线接入发展的分析

Analysis of Broadband Fixed Wireless Access

作为一种新型宽带接入技术，宽带固定无线接入网因具有诸多无可比拟的优点而成为一种非常有前途的接入方式。

Broadband Fixed Wireless Access Network , a novel broadband access technology which has many advantages , has become a very promising access mode .

由于认知无线电技术的频谱是动态的，因此不可能预先为认知无线电系统下的用户分配固定无线接入频谱，在没有固定接入信道，同时也没有控制中心状况下，邻近终端发现问题变得复杂起来。

Neighbor discovery is one of them in the distributed cognitive systems . Usually , the spectrum for cognitive radio is dynamic , so there is no fixed access channel for the CR users . If there is also no a pre-settled control center , neighbor discovery becomes more complicated .

与10BASE-T转E1的接口电路相联，完成了固定宽带无线接入。

To have accomplished the wireless connection between two Ethernet with E1 to10BASE-T interface circuit .

本地多点分布系统（LMDS）是一种新兴的固定宽带无线接入系统。

Local Multipoint Distribution System ( LMDS ) is a new Fixed Broadband Wireless Access System .

正交频分复用（OFDM）技术作为一种无线环境下的高速传输技术，具有良好的抗多径信道干扰能力，因此本文主要研究基于OFDM技术的固定宽带无线接入系统中的多业务分组调度算法。

OFDM technology , as a high-speed transmission technology for wireless environment , is good at anti-multi path fading . So the thesis mainly provides the research results for different packet scheduling algorithms in fixed broadband wireless access systems .

首先，论文讨论了固定宽带无线接入系统下的信道估计算法，比较了现有导频信道估计算法在SUI典型慢变信道下的性能。

Firstly , channel estimation in fixed broadband wireless access systems is discussed . We give their performance comparison of some conventional pilot-symbol-aided channel estimation algorithms in SUI channels which are typically slow fading .