The space-time channel estimation and multiuser detection algorithm for the uplink of multicarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel were investigated.
研究了频率选择性瑞利衰落信道中的同步MC-CDMA系统上行链路空时信道估计及多用户检测算法。
This paper investigates blind space-time interference suppression for MultiCarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel.
该文研究在频率选择性瑞利衰落信道中MC-CDMA系统的盲空时干扰抑制。
In addition, there will be frequency selective fading in the future broadband MIMO wireless communication systems, and the traditional high-performance equalizer will become extremely complicated.
另外在未来宽带MIMO无线通信系统中，通常面临频率选择性衰落信道，传统高性能均衡器就会变得异常复杂。
This paper investigates blind multiuser detection for asynchronous DS-CDMA in frequency selective Rayleigh fading channel.
该文研究了频率选择性瑞利衰落信道中的异步ds - CD MA系统盲多用户检测。
In this paper, a blind multiuser receiver for frequency-selective fading channel based on subspace tracking has been presented.
提出一种基于信号子空间估计，用于频率选择性衰落信道的盲多用户自适应接收机。
The simulation of error bit rate performance for multi -channel and frequency -selective Rayleigh fading is carried out, and the simulation results show that the system is.
对在多用户和频率选择性瑞利衰落环境下的下行链路的误比特率性能进行了仿真，其结果表明系统是可行的。
It can waken the multipath effect availably, eliminate symbol interference and fight against frequency select fading. Moreover, the channel utilization rate is high.
他能有效地对抗多径效应，消除符号间干扰，对抗频率选择性衰落，而且信道利用率高。
The study shows that the algorithm can complete frequency offset tracking in AWGN channel and multipath fading channel.
研究表明，该算法既能在AWGN信道中也能在多径衰落信道中完成频偏跟踪工作。
The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radio channel.
由多径色散及多普勒频移造成的频率—时间选择性衰落是城市移动无线信道的一个重要特性。
There are lots of disadvantages in wireless environment, such as multi-paths fading, Doppler frequency shift and fast time varying of channel.
无线环境中存在多径衰落、多谱勒频移和信道快速时变等许多不利因素。
It is a true blind detection algorithm in that it needs no knowledge of channel fading information as well as time domain and frequency domain spread spectrum codes.
该算法无需时域扩频码、频域扩频码和信道衰落信息，是一种真正意义上的盲的检测算法。
V-BLAST (Vertical Bell Laboratories Layerd Space-Time) can be combined with OFDM to achieve high data rate transmission in frequency selective fading channels .
技术可以和OFDM技术结合以便在高的频率选择性衰落信道下提供高数据率的传输。
In this thesis, we study equalization techniques for OFDM over the frequency selective fading channel and doubly selective fading channel respectively.
本文的研究内容就是频率选择性衰落信道和双衰落信道下的OFDM信道均衡技术。
A two-ray model is used for the frequency selective fading channel.
频率选择性衰落信道采用了两径模型。
The time- and frequency- selective fading channel is so-called doubly selective fading channel.
同时具有时间和频率选择性衰落的信道，我们称之为双衰落信道。
This new scheme has the advantages of high spectrum efficiency and suppression of multipath spread, frequency selective fading, jamming and noise.
该体制具有较高的频率利用率，可有效地抑制短波信道中多径时延、频率选择性衰落、人为干扰与噪声带来的不利影响。
The simulation results presented prove that the performance of DFH system with signal detecting by sequence is much better than the conventional frequency hopped systems over Rayleigh fading channels.
结果证实了，差分跳频通信技术和按序列检测方法的结合，使通信系统在瑞利衰落信道条件下的性能得到了比较显著的提升。
The tapped delay model of the multi-path frequency selective fading channels as well as the diversity receiver technique is introduced, and the principles of RAKE receiver are described.
本文首先讨论了移动通信信道的各种参数对信道估计的影响，介绍了频率选择性信道的抽头延迟线模型和分集接收技术，在此基础上阐述了RAKE接收机的原理。
Two simulation algorithms of realization channel characteristic are analyzed emphatically: shaping of slow fading with correlation and generation of frequency-selected multipath fading.
重点分析了实现信道特性仿真的两种算法：慢衰落的相关性整形和频率选择性多径衰落。
The phase information of wavelet transform used in the algorithm is invariant with respect to flat fading, and can resist multipath fading of frequency-selecting channel in quite a few degree.
算法所用的小波变换相位信息特征对平坦衰落信道具有衰落不变性，对频率选择性衰落信道也具有很强的抗多径能力。
Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.
接收端的高速运动或者载频的偏移，会引起信道的时间选择性衰落。
I introduce the frequency allocation between BCCH carrier frequency and TCH, signal fading arithmetic, interference theory and the adjusting thinking of dynamic power control.
介绍了BCCH载波与TCH载波的频率配置、信号衰落算法、干扰原理、动态功率控制的调节思路，以及提高网络质量，改善小区登陆与切换性能的措施。
By introducing the Kronecker product into the frequency domain and employing the concept of scattering fading weight factor, an outdoor broadband MIMO scattering-distribution model is derived.
该方法把克罗内克积应用到频域，同时提出频域散射衰落加权因子的概念，由此导出一种室外宽带MIMO散射分布模型。
The feature used in the algorithm is invariant with respect to flat fading, and can resist multipath fading of frequency-selecting channel in quite a few degree.
算法所用特征对平坦衰落信道具有衰落不变性，对频率选择性衰落信道也具有很强的抗多径能力。
Therefore, system acquisition performance can be improved if diversity receiver is adopted for the frequency-selective fading channel.
因此在频率选择性衰落信道中，采用分集接收可以改善系统的捕获性能。
The system can generate two frequencies, which will decrease frequency selective fading effect.
经过调制产生了两个频段的射频信号，具有抗频率选择性衰落的优点。
For Moscow to the Great Wall Station circuit, the lower the frequency, the larger the fading depth.
莫斯科-南极长城站电路的衰落深度与频率、时间有关，频率低，其衰落深度大。
A combined channel estimation method of time-frequency-selective fading channels in MIMO-OFDM systems was proposed.
提出了一种适用于时间频率选择性衰落信道的MIMO - OFDM系统的组合信道估计方法。
This paper explores the decoding problem of the MC V-BLAST system under the downlink frequency-selective fading environment.
该文着重研究MCV - BLAST系统在下行频率选择性衰落环境中的解码问题。
This paper explores the decoding problem of the MC V-BLAST system under the downlink frequency-selective fading environment.
该文着重研究MCV - BLAST系统在下行频率选择性衰落环境中的解码问题。
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