无线信道

对无线信道（Channel）做了初步分析，得到了信道衰落特性的估计，从而对接收信号强度有了一个大体了解。

The wireless channel , and its estimation of performance .

无线信道中OFDM系统时频同步新算法

A novel OFDM time and frequency synchronization algorithm in wireless channel

h）在对大气无线信道进行分析的基础上提出了大气信道中的多孔径接收系统，并分析了其性能。（。）

( b ) Propose the multiple apertures system based on analysis of channel performance of atmospheric channel .

天线阵列方位对MIMO无线信道性能的影响

Impact of Antenna Array Orientation on Performance of MIMO Wireless Channels

一种基于MIMO系统的三维空时无线信道仿真模型

A 3-D Space-Time Wireless Channel Simulation Model Based on MIMO Systems

无线信道中基于代价函数的OFDM频偏跟踪算法

Frequency Offset Tracking Algorithms Base on Cost Functions For OFDM in Wireless Channel

MIMO无线信道中空间相关性的测量方法

A Measurement Method of Spatial Correlation in MIMO Wireless Channel

另外重点通过自定义Matlab环境下的M文件对无线信道的典型例子，即平坦衰落信道进行了仿真。

Typical examples of modeling flat fading channels in MATLAB were simulated specifically by means of user-defined m-files .

为此业界针对3G的无线信道推出了各种仿真软件和设备。

Therefore some enterprises have developed software and equipments for wireless channel simulation .

动态MIMO散射无线信道模型及性能分析

Dynamic MIMO Scattering Wireless Channel Model and Its Performance

MIMO无线信道建模及性能评估

Modeling and Performance Evaluation of the MIMO Radio Channel

变误码率的无线信道中TCP性能研究

The study of the TCP ′ s performance in wireless channel with variable bit error rate

adhoc网络是一种动态变化的基于无线信道的自组织网络，具有很好的动态特性。

Ad hoc is a dynamic wireless self-organized network , and it has very attractive dynamic character .

无线信道可配置Turbo译码组件技术研究

Research on Configurable Turbo Decoder in Wireless Channel

在这种情况下，对无线信道的Turbo码研究就显得格外重要。

In such condition , it is important to study Turbo codes in wireless channel .

本文开始分析了无线信道与CPM调制的基本理论，并重点对无线通信中SC-FDE和OFDM进行了对比。

And focus on the SC-FDE and OFDM in wireless communication .

第二章介绍了无线信道特性和MIMO-OFDM系统中的信道估计技术。

These issues of channel estimation in MIMO-OFDM system are discussed .

针对OFDM系统的无线信道中非整数倍采样间隔多径时延的LS信道估计性能及其误差对系统误码性能的影响进行了理论分析和仿真实验。

Effect of non-sample-spaced multipath on LS channel estimation and that on BER performance of OFDM system was studied .

然后，本文分别对无线信道模型和OFDM系统的基本原理进行了系统阐述，详细介绍了无线信道的特性、信道模型和OFDM系统的基本原理。

Then , the characteristics and models of various wireless channel and the basic principles of OFDM system is discussed in detail .

混合式自动重传请求（HARQ）已成为CDMA无线信道上差错控制的主要技术。

HARQ is the main error correcting technology on CDMA wireless channel .

正交频分复用（OFDM）技术利用相邻子载波间的正交特性，能有效对抗无线信道的频率选择性衰落。

Orthogonal frequency division multiplexing ( OFDM ) technology uses between adjacent sub-carrier orthogonality can be effective against frequency-selective multipath fading wireless channel .

然而，无线信道固有的特点及节点移动造成网络拓扑的频繁变化，使得在MANET网络中支持QoS面临许多挑战。

But the features of wireless channel and the mobility of nodes made it very difficult to support QoS in MANET .

无线信道ARQ算法的一点改进

Improvement of ARQ Protocol in Wireless Channel

而在消除符号间干扰和均衡由无线信道时延扩展引起的频率选择性衰落方面，正交频分复用（OrthogonalFrequencydivisionMultiplexing，OFDM）技术具有明显优势。

In receiver , Orthogonal Frequency Division Multiplexing ( OFDM ) system can easily cancel ISI and equalize frequency-selective fadings that are both caused by time disperse of radio channel .

MAC协议决定了各通信链路如何使用无线信道，它为传感器节点之间数据传输分配有限的通信资源。

The MAC protocol determines the manner of using wireless channels in the communication link , it allocates the limited communication resources between the sensor nodes .

同时提出了符合无线信道差错特性的差错控制策略，即并行性延时等待ARQ算法。

In the same time , a better error control mechanism , Paralleled Delay ARQ , is proposed .

随后在对一般的无线信道仿真方法做仿真比较的基础之上，针对MIMO信道的相关特性，阐述了MIMO相关信道的仿真方法，并给出相应的仿真结果。

Basing on simulating and comparing some simulation methods about common wireless channel , a modeling method of MIMO spatial correlative channel is expounded in the article .

为了提高信息在无线信道传输的可靠性，TD-SCDMA系统主要采用了不编码、卷积编码和Turbo编码三种信道编码方案。

To increase the reliability of radio channel , TD-SCDMA system mainly adopts three coding schemes : no coding , convolutional coding and Turbo coding .

通过分析OFDM系统在不同无线信道环境下的传输性能，仿真比较了AWGN信道、室内无线信道和室外无线信道对OFDM系统的影响。

By analyzing the OFDM system with different channel environment , the simulation of comparing the AWGN channel , indoor and outdoor wireless channel is done .

面向无线信道的H.26L编码模式判决策略

An H.26L Mode Decision Scheme over Wireless Channel