It can be used in multipath channels to suppress multi-address interference and overcome multi-channel fading.
本文中提出的这种算法适用于多径衰落信道，能很好抵消多址干扰和克服多径衰落。
A channel estimation algorithm is proposed for OFDM wireless communication system under time-varying multipath channel.
提出了一种OFDM系统在时变多径信道中的信道估计算法。
Channel delay estimation via pilot sub-carriers is used to provide accurate frame synchronization in multipath channels.
利用有限的导频信号进行信道延迟估计从而获得准确的符号同步。
A new algorithm based on higher order cumulants is proposed for classification of MPSK signals in multipath channel environments.
针对多径信道中MPSK信号的调制分类问题，提出一种新的基于高阶累量的分类算法。
A non blind channel estimation algorithm for orthogonal frequency division multiplexing (OFDM) systems in multipath channels was proposed.
提出了一种适用于正交频分复用通信系统的非盲信道估计算法。
Timing acquisition is realized in symbol and frame rate and GLRT is derived under dense multipath channel, which is unrelated to the amplitude of the channel.
利用符号或帧速率来进行同步捕获，导出了与信道振幅无关的密集多径下同步捕获的广义似然比率测试(GLRT)，来估计出现在符号位的有效信号增益。
Based on the signal model and the multipath channel model of CDMA system, the steering vectors of multipaths of USES are estimated by using cold filtering method.
根据CDMA系统信号模型和多径信道模型，运用码滤波方法对CD MA系统用户信号及其多径信号导引向量进行估计。
The characteristics of the digital television terrestrial broadcasting (DTTB) channels with long impulse responses are analyzed, and the frequency domain multipath channel model is given.
本文分析了数字电视地面广播通信信道具有长脉冲响应的多径衰落的特点，从频域上表达了其多径衰落信道模型；
The simulation results indicate under multipath channel for low SNR, the new algorithm has lower probability of failure than the conventional algorithm by adopting proper training symbols.
仿真结果表明，在低信噪比的多径信道下，该算法可通过选择合适的训练符号，使错检概率低于常规算法。
Communication systems can enhance their BER performance by using coherence detection only when they could make precise and real-time estimation of fading coefficients of multipath channel.
只有对信号在多径衰落信道中所经历的衰落做出准确实时的估计，系统才可以使用能够提高接收机误比特率性能的相干检测。
This receiver is analyzed in theory and simulated in IEEE CM3 multipath channel. The results show that it has a better bit-error-ratio performance compared with a conventional ATR receiver.
经过理论分析和IEEECM 3多径信道仿真，结果表明该接收机的误码率性能优于一般A TR接收机。
The result shows that, compared with the existing channel estimation algorithms for OFDM system under time-vary multipath channel, the proposed algorithm can effectively reduce estimation errors.
分析结果表明，与已有的OFDM系统在时变多径信道中的信道估计技术相比，所建议的算法可以有效地减小信道估计的误差。
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。
Due to the extremely narrow character of UWB signal, dense multipath indoor channel will make UWB signal dispersed severely.
由于超宽带脉冲信号的极窄特性，室内密集多径信道将使超宽带信号产生严重的时间弥散。
In fact, the characteristics of the multipath fading channel in digital cellular mobile communications have become the research of academic analysis and field measure.
实际上，数字蜂窝移动通信中的多径衰落信道特性已成为许多理论分析和现场实测的课题，并已得出了许多有价值的结论。
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 fractal theory was applied to describe multipath fading channels, and a novel channel estimation scheme using fractal filter in the sense of minimum mean square error (MMSE) was presented.
本文将分形理论引入多径衰落信道的描述，提出了一种利用分形滤波进行最小均方误差意义下信道参数估计的方法。
We investigate the channel estimation algorithms based on tracking multipath time delay, a low complexity multipath time delay estimation method is proposed.
论文研究了基于多径时延跟踪的信道估计方法，并提出了一种低复杂度的多径时延跟踪方法。
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。
An efficient approximation for expressions of the average error probability are developed based on considering the effects of multipath interference, multiple access interference and channel noise.
基于多径干扰、多址干扰和信道噪声的机理分析，推导了计算平均差错概率的有效近似公式。
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 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。
Since UWB system generally operates in dense multipath indoor channel, multipath interference becomes one of the main interferences affecting system performance.
UWB主要应用于密集多径室内信道中，多径干扰是系统的主要干扰来源之一。
In shortwave communication system, Intersymbol Interference is serious and signal is distorted extremely because of fading channel resulted in by the effect of multipath.
在短波通信系统中，由于多径效应常常引起信道衰落，直接结果是码间串扰非常严重。
In radio communication system, because of multipath effect and the finity of channel bandwidth and incomplete channel, intersymbol interference (ISI) is inescapability during the data transfer.
在无线通信系统中，信号在传输过程中由于多径效应和信道带宽的有限性以及信道特性的不完善性导致不可避免地产生码间串扰。
By investigating the code space in frequency domain and the data vector space of the multipath signals, the noise-subspace-based approach is used to perform blind channel estimation.
通过研究多径信号频域码空间和数据矢量空间，采用噪声子空间技术进行盲信道估计。
OFDM transforms frequency-selective multipath fading channel into flat channel in the frequency domain and reduce the effect of multipath fading.
OFDM技术通过将频率选择性多径衰落信道在频域内转换为平坦信道，从而减小了多径衰落的影响。
OFDM transforms frequency-selective multipath fading channel into flat channel in the frequency domain and reduce the effect of multipath fading.
OFDM技术通过将频率选择性多径衰落信道在频域内转换为平坦信道，从而减小了多径衰落的影响。
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