A wideband correlated MIMO wireless channel model is introduced.
介绍了宽带相关MIMO信道模型。
Wireless channel is a great limitation for reliable video transmission.
无线信道对于可靠的视频传输具有很大的局限性。
Doppler effect reflects the time-varying characteristics of wireless channel.
多普勒效应体现了无线信道的时变特性。
The model can establish some different wireless channel models through the parameter choice.
通过参数的选择可以建立不同的典型无线信道模型。
The second chapter of this paper analyzes the multipath effects and fading effects of wireless channel.
第二章分析了无线信道的多径效应和小尺度衰落效应。
A novel method for estimating power azimuth spectrum(PAS)of wireless channel is presented in this paper.
针对无线信道角度功率谱测量问题,提出了一种简单而新颖的测量方法。
Based on the Bayesian forecasting technology, a practical time-varying wireless channel model was proposed.
基于贝叶斯预测技术,提出了一种实用的时变无线信道模型。
Thirdly, a new deconvolution algorithm, R-CLEAN algorithm, in UWB wireless channel measurement is promoted.
提出了超宽带无线信道测量中一种新的解卷积算法—r -CLEAN算法。
Using of MIMO system in the wireless channel can significantly improve the capacity of communication system.
在无线信道中采用MIMO结构能够显著提高通信系统容量。
The problems discussed the ISI and the ICI occurred when the OFDM signal transmitted in the wireless channel.
讨论了OFDM信号在无线信道传输过程中遇到的码间串扰(ISI)和符号间串扰(ICI)问题;
The purpose of this thesis is to compare the transmission performances of TS-NMT and CDMA2000 in wireless channel.
本论文旨在比较TS-NMT技术和CDMA2000技术在无线信道上的传输性能。
However, all of existing header compression schemes do not take wireless channel state into consideration when designed.
然而,目前已有的报头压缩方案在设计时都没有将无线信道的状态考虑在内。
The wireless channel is usually unreliable, and it mainly suffers from time-varying fading due to multi-path propagation.
它具有由于时变多径传输产生的衰落、时间延迟扩展等有害影响。
In this paper, we proposed a joint source channel coding method based on wireless channel prediction for FGS transmission.
提出一种基于信道预测的无线fgs视频信源信道联合编码的新方法。
The wireless channel is the transmission media for mobile communication, all the information are transmitted in this channel.
无线信道是移动通信的传输媒体,所有的信息都在这个信道中传输。
Usually the analog signal and digital signal will be transferred through different wireless channel in firepower control system.
传统的模拟指令和数字指令的无线传输采用不同的信道机分别传输。
It can make better use of the wireless channel by dynamically Adjusting its backoff timer according to the network's contest situation.
该算法可以根据网络当前具体的竞争激烈情况,动态调整退避时间值,从而提高信道的利用率。
In the second chapter, it analyses the wireless channel, and expounds the MIMO channel characteristic, and then models the MIMO channel.
第二章在分析了移动无线信道特点的基础上,阐述了MIMO信道的特征并建立了数学模型。
For the characteristics of wireless channel such as time-variety and high BER, the rate adjustable RCPT code is good for channel coding.
由于无线信道的时变、高误码等特性,码率可变的RCPT码是比较理想的信道编码方式。
The system bandwidth efficiency and the dispersive of wireless channel are the big challenges for the wireless mobile communication system.
对于无线移动通信系统来说,面临着系统带宽效率和多径衰落信道等诸多问题的挑战。
The general method of playback channel modeling was introduced and the requirement on the wireless channel measurement was analyzed briefly.
首先给出回放模型的建模思路以及对无线信道测量方法和测量仪器的要求;
Typical indoor wireless channel is Ricean fading, and can be decomposed into the sum of an LOS propagation channel and a scattering channel.
典型的室内传播信道为莱斯衰落信道,可将其分解为LOS传播信道和散射信道。
RFID (Radio Frequency identification) is one of the identification technologies which can realize intercommunication by using wireless channel.
射频识别技术是利用无线信道实现双向通信的一种识别技术。
This scheme makes use of the broadcast nature of wireless channel, which can provide higher throughput and decrease the waste network resources.
该策略利用无线信道的广播特性,能提高网络吞吐率、节约无线网络资源。
Firstly, the characteristics and model of wireless channel and the basic principle, structure and characteristics of OFDM systems are introduced.
本文首先介绍了移动通信系统的信道特性以及信道模型,并详细描述了OFDM系统的基本原理、结构以及特点。
The first chapter introduced the characteristics of the wireless channel, the small-scale fading model, multi-path fading model and WSSUS channel model.
本文第一章绪论首先分析了无线信道的特性,介绍了小尺度衰落模型,多径衰落模型以及WSSUS信道模型。
Secondly, we introduce the relational knowledge of wireless channel, the system model and basic theory of OFDM, also analyze OFDM signal's design rules.
接着介绍了无线信道的相关知识、OFDM的系统模型和基本原理,并分析了OFDM信号的设计规则。
There are two serious challenges in the future broadband wireless communication systems: multi-path fading in the wireless channel and spectral efficiency.
在未来的宽带无线通信系统中,存在着两个严峻的挑战:无线信道的多径衰落和频谱效率。
Cooperation with hierarchical modulation can employ broadcasting characteristics of wireless channel and location advantage of relay node to confront fading.
基于分级调制的中继协作技术可以很好地利用无线信道的广播特性和中继节点的位置优势来对抗信道衰落。
The adaptive technique can take full advantage of the dynamic characteristic of wireless channel for performance optimization by changing some channel parameters.
自适应技术能够充分利用无线信道的动态性,通过自适应地改变系统的某些参数而达到性能优化的目的。
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