The performance of MIMO system is mostly affected by the channel correlation. It is worthy to study the channel correlation.
MIMO系统的性能受空间相关性的影响很大,有必要对天线的空间相关性进行深入的研究。
Based on the theories of volume holographic storage and wavelet transform, a novel multi channel correlation system is proposed and constructed.
基于光折变晶体体全息存储和子波相关理论,本文提出并构建了一个新型的多通道体全息子波相关识别系统。
The algorithm USES the channel correlation in the frequency domain to greatly reduce the computation complexity and the number of required samples.
利用信道频率相关特性降低了算法复杂度,同时解决了算法对样本数的依赖问题。
This algorithm utilizes time-average channel correlation matrix in place of exact channel correlation matrix and approximates the MMSE estimator by a low-rank structure.
该算法利用信道的时间平均相关取代统计相关,结合了基于特征值分解的低秩建模,从而近似地实现MMSE估计。
Comparing with the Linear Minimum Mean Square Error (LMMSE) channel estimation method, the method is simple and need not know the channel correlation and signal-to-noise (SNR).
与已有线性最小均方差(LMMSE)信道估计方法相比,该算法简单并且不需要预先知道信道相关矩阵以及信噪比等信道信息。
However, when the channel information at the transmitter is known and the self-adaptive water-filling power allocation algorithm is used, the channel correlation may lead to higher channel capacity.
然而,在低信噪比区间,且已知信道状态信息时利用自适应注水功率分配算法,信道相关性对信道容量具有提升作用。
The correlation algorithm in training period and the LMS algorithm in run period can be combined in the identical transversal filter structure, so that it speeds up the channel estimator convergence.
训练阶段的相关算法与工作阶段的LMS算法可结合在同一个横向滤波器结构中,从而加速了自适应信道估计器的收敛过程。
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。
Coarse channel estimates are based on a time-domain correlation of a pseudo-random number (PN) sequence with linear interpolation for the fine channel estimates over an OFDM block.
该方法使用伪随机(PN)序列时域相关进行信道粗估计,并在一个OFDM块内进行线性内插得到整个OFDM块内的信道细估计。
In the light of the characteristic of WSD (weak signal detecting), puts forward the reference channel and correlation principle to handle the signals.
针对微弱信号检测的特殊性,提出采用参考通道,并应用相关原理处理信号。
Compared to the traditional decoding algorithms, the proposed scheme is no need to estimate the correlation matrix of the channel and pre-code at the transmitter, and its coding complexity is reduced.
与传统解码的算法不同,该算法无需在发送端进行信道相关矩阵的估计和预编码,降低了发送端的编码复杂度。
The simulation result indicate that the proposed distributed MIMO channel model effectually reduce the impact of low fading correlation on the channel capacity.
仿真实验结果表明,提出的分布式MIMO信道模型能够有效降低小尺度衰落相关性和阴影衰落相关性的影响。
In this paper, a VLSI architecture for channel estimation and cyclic restoration in TDS-OFDM is proposed. The realization of cyclic correlation introduced is high-speed and low-cost.
针对TDS - OFDM系统的信道估计与数据循环化算法提出了一种硬件实现架构,其中循环相关的实现架构速度快且节省硬件资源。
With increasing of Doppler frequency offset, status of channel doesn′t hold stabilization for long and whole correlation of false codes hasn′t satisfied require of channel estimation.
随着多普勒频偏的增大,信道状况无法长时间保持平稳,伪码的完整相关已经不能满足信道估计的要求。
A method of measuring correlation between signal pulses for the investigation of random time-variant properties of underwater sound channel is presented in this paper.
本文提出一个研究海洋声传输信道随机时变特性的脉间相关法。
It is shown that the replica correlation integration processor is robust and has optimum performance in the time spreading distortive channel.
研究结果表明:在时间扩展畸变信道中,副本相关积分器具有稳健的、最佳的检测性能。
An improved algorithm is proposed based on the conventional channel blind estimation algorithm which USES the auto - correlation matrix of the vector of received signal in the OFDM systems.
本文针对传统的OFDM系统中利用接收信号的自相关进行信道盲估计算法提出了一种改进算法。
Multi channel acoustic echo cancellation (AEC) systems suffer from the non uniqueness problem of the adaptive identification solution because of the correlation of the input signals.
多路回波消除问题的本质难点是由于多路输入信号之间的强相关性而导致的自适应滤波器解不唯一的问题。
By measuring the correlation of two-channel input signals, the synchronism of acquisition signals is verified.
通过对双通道采集输入信号的相关性测量,验证了采集的同步性。
Provides a property that returns a description of all of the correlation data that a channel can supply.
通过实现此接口,通道可以指示正在注册接口以提供相关数据。
Furthermore, we conclude that the channel fading correlation has nothing to do with diversity advantage, but the code advantage will be affected.
得出分集增益不受信道相关性的影响,但是编码增益则有一定的损耗的结论。
The correlation is optionally corrected according to the mean channel estimation signal-to-noise ratio.
根据平均信道估计信噪比可选地校正相关性。
In HF channel modeling, doppler spread effects are usually simulated by filtering white Gaussian noise. The signal correlation in time domain deviates far from the theoretical value.
在短波信道建模中,通常采用对高斯白噪声滤波来仿真多普勒扩展效应,这些模型的时域相关值与理论值相差较大。
The instrument, being under construction, adopts a program of combining a multi-channel spectrometer and a auto-correlation spectrometer.
正在研制的此仪器采用了多通道频谱仪与自相关频谱仪结合使用的方案。
If signals are supposed to be normally distributed, then by computing determinants of correlation matrices, conditional information of each channel signal can be obtained.
假设信号是近似正态分布的,就可以从相关矩阵的行列式计算出每个波段的条件信息量。
The optimum LRT detector of time spreading dispersion channel, a familiar channel dispersion form, is replica correlation integrator (RCI).
时间扩展信道(TSD)是信道畸变的一种常见形式,它的最佳似然比检测器是副本相关积分器(RCI)。
In the multi-channel echo cancellation, the nonlinear pre-processing is always used to overcome the non-convergence of the filter caused by the strong correlation of input signals.
非线性预处理是解决多通路回波消除中因输入信号间的强相关性而引起的滤波器不收敛的有效方法。
Use of zero correlation zone (ZCZ) sequences can avoid co-channel interference and multi-access interference in the quasi-synchronous CDMA systems.
在准同步cdMA系统中,使用零相关区(ZCZ)序列能够避免共信道冲突和多址干扰。
The correlation between the effective energy of wind, and the wave, wind and siltation of channel was derived.
导出了“有效风能”与浪、沙、航道淤积之间的相关关系;
The correlation between the effective energy of wind, and the wave, wind and siltation of channel was derived.
导出了“有效风能”与浪、沙、航道淤积之间的相关关系;
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