分集技术

本文首先概述了当前MIMO信道中的空间分集技术，特别是发送分集技术。

Current MIMO spatial diversity techniques , especially the spatial transmit diversity techniques .

空间分集技术能够利用多输入多输出（MultipleInputMultipleOutput，MIMO）信道提供的分集增益，改善BER性能。

Spatial diversity techniques can take advantage of multiple-input multiple-output ( Multiple Input Multiple Output , MIMO ) channel diversity gain to improve the BER performance .

传统MIMO技术的研究包括空间分集技术和空间复用技术。

Traditional MIMO technology includes space-diversity technique and space-multiplexing technique .

MIMO系统中简单的扩展空时块编码分集技术研究

Study on a simple diversity technique using spread space-time block coding in MIMO systems

无线MIMO信道的分集技术研究

Research on Diversity Technique of Wireless MIMO Channel

发送分集技术及其在后3G中的应用

Transmission diversity and its application to 3G

一种适合OFDM系统的发射分集技术

A Transmit Diversity Technique for OFDM

提出一种新的利用接收分集技术的OFDM通信系统盲信道估计方法。

A new blind channel estimation technique is proposed for OFDM systems by exploiting receive diversity .

基于发射分集技术实现了一种针对OFDM通信系统的空时编码方案。

This paper implemented a space-time codes project for OFDM communication system based on transmit diversity technology .

将多普勒分集技术应用于OFDM系统，可以有效地对抗多普勒扩展对系统性能的影响。

Applying Doppler diversity in OFDM system can combat the effect of Doppler spread on system performance .

基于分集技术的UWB信号RAKE接收

RAKE Receiving Based on Diversity Technology for UWB Signal

在发射分集技术方面，研究表明采用空时分集编码的MIMO系统的性能与信道矩阵的特性密切相关。

Research shows that the performance of transmit diversity depends strongly on MIMO channel matrix characteristics .

多入多出（MIMO）系统中的可变速率多用户分集技术

Variable-rate Multiuser Diversity in MIMO Systems

发射分集技术及在WCDMA系统中的应用

Transmit Diversity Technique and Its Applications in WCDMA System

WCDMA系统发送分集技术的性能分析

Performance of Transmit Diversity Schemes for WCDMA

在本篇文章中，我们研究基于MIMO虚拟信道表述的可变速率多用户分集技术。

We study the multiuser diversity with constellation selection based on a virtual representation of realistic MIMO correlated channels .

作为典型空间分集技术的多输入多输出（MIMO）技术，能够很大地改善无线通信系统的性能。

Multiple-Input Multiple-Output ( MIMO ) technique as a typical space diversity technique can improve the capability of the wireless system .

协作（Cooperative）分集技术是近几年发展十分迅猛的通信技术，它是基于中继传输原理，通过用户之间的协作传输实现空间分集增益。

Cooperative technology is a communication technology developing rapidly in recent years . It can get diversity gain through cooperation between users , which bases on relay transmission principle .

研究表明，采用极化分集技术的MIMO系统具有良好的非相关衰落特性，信道容量得到显著提高。

Simulation results show that MIMO wireless system using polarization diversity is of excellent fading characteristic , and channel capacity is increased effectively .

SDH微波系统中空间分集技术的应用和DADE调测方法

Space Diversity Technology Applied to SDH Microwave System and DADE Regulating and Testing Methods

MIMO无线通信系统能够同时结合发射分集技术与接收分集技术，极大地提高了抗衰落性能。

MIMO wireless communication system combines both transmit diversity and receive diversity technologies , which greatly improved the anti-fading performance of wireless communication system .

作为一种典型的空间分集技术，多输入多输出（MIMO）技术不仅能够提高通信的可靠性，还能够改善通信的有效性。

As a typical spatial diversity technique , multiple-input multiple-output ( MIMO ) is able to improve reliability and effectiveness to a great extent .

针对MIMO技术，介绍了其信道模型，分析了其信道容量，并详细阐述了MIMO的分集技术与复用技术。

For MIMO technology , the channel model is introduced , the channel capacity is analyzed and the diversity and multiplexing techniques are elaborated .

数值计算结果表明组合编码和空间路径分集技术能显著改善MIMOWCDMA系统的误码性能。

Numerical results show that the combination of coding and spatial-path combining lead to dramatic error code performance improvement for MIMO WCDMA systems .

它充分利用MIMO信道的发射分集技术，实现了高质量、可靠、快速、低开销的无线通信方式。

It uses the transmit diversity technique in MIMO channel to provide a high quality , reliable , fast , low cost way of wireless communication .

这些结果表明，用分集技术（GSC）可以大大提高系统性能。

The system performance can be improved with GSC receiver .

空时分集技术对COFDM系统性能改善的研究

Study of Improving Performance of COFDM Using Space Time Transmit Diversity Technology

在功率带宽受限的无线信道中，MIMO技术是实现高数据速率、提高系统容量、提高传输质量的空间分集技术。

In power limited wireless channel , MIMO is a diversity technology that can realize higher data rates , increase system capacity and improve the communication quality .

MIMO技术具有多种实现形式：发射分集技术、空间复用技术以及波束赋形技术等。

MIMO technology can be carried out by many kinds of forms : Transmit diversity technology , spatial multiplying technology , beam forming technology and so on .

最后把智能天线技术和RAKE接收技术、收发分集技术紧密结合，形成比较完整的智能天线系统基带结构。

At last , the baseband system structure which deploys smart antenna , RAKE , and receive / transmit diversity techniques is proposed .