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。
This paper investigates blind multiuser detection for asynchronous DS-CDMA in frequency selective Rayleigh fading channel.
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。
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.
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。
In this paper, a blind multiuser receiver for frequency-selective fading channel based on subspace tracking has been presented.
进一步分析了信道估计错误对多用户检测器的影响。
We further analyze the effect of channel estimation error on multiuser detection.
结果表明，平坦瑞利衰落信道中多用户检测算法的性能仍然优于传统检测算法。
It is concluded that the multiuser detection is superior to conventional detections in the flat Rayleigh fading channels.
提出了一种基于信道盲估计的多用户检测方法。
A multiuser detector based on blind channel estimation is proposed.
本课程的教学目的在于系统地介绍现代无线通信系统中所涉及的有关信道估计以及多用户检测的理论与方法。
The teaching goal of this course is to introduce systematically the theory and approach of channel estimation and multi-user detection in modern wireless communication system.
在给出量子分发信道时分复用方案和量子交换机方案的基础上，提出了量子时分多用户通信方案及通信协议。
Based on the quantum channel time division multiplexing scheme and the quantum switch scheme, a quantum time division multiuser communication scheme and communication protocol are proposed.
联合MAP多用户检测与信道解码的迭代多用户检测(MUD)技术可显著提高宽带移动CD MA系统的容量和性能。
The technique combining MAP-based multi-user detection (MUD) with channel decoding can greatly improve performance and capacity of broadband CDMA mobile communication systems.
该方案利用现有不保密通信信道提供双用户或多用户之间的可靠保密通信。
This new system provides secure communication between bi-users and multi-users over an insecure communication channel.
提出了一种适用于频率选择性衰落信道，新的下行多用户MIMO系统预处理传输方案。
A new transmission scheme, which combines transmit preprocessing with multiuser MIMO downlink system over frequency-selective fading channel is proposed.
CCSDS采用多路复用机制实现多用户动态分享信道。
CCSDS adopts two levels multiplexing mechanism to realize multi-user dynamically common channel.
提出了一种将线性多用户检测与发射分集相结合的新方法，该方法能在克服信道衰落的同时抑制多址干扰和码间串扰。
A novel approach is proposed for linear multi user detection in conjunction with transmit diversity to combat channel fading, multi user interference and inter symbol interference.
接收端采用串行干扰抵消的方法去除或抑制很严重的多用户干扰，该方法实现简单，适合瑞利衰落信道。
In the receiver, successive interference cancellation is employed to remove or suppress sever multiuser interference, and this detector is easy to implement and apt to Rayleigh fading channel.
根据基于交织OFDM的TDCS模型，本文接着分析了其在AWGN信道中，单用户和多用户情况下的BER性能，得到了近似的BER公式。
Single user and multi-user BER performances of interleaved OFDM-based TDCS are also investigated in the AWGN channel. The approximate BER formula and BER lower bound formula are derived.
该文针对存在信道估计误差的有限反馈多用户多输入多输出(MIMO)传输性能进行分析。
In this paper, the impact of channel estimation error on the performance of multiuser Multiple-Input Multiple-Output (MIMO) transmission based on limited feedback information is analyzed.
改进的多用户检测算法将子空间算法和约束优化算法结合起来，在强干扰信道中能有效提高系统性能。
This algorithm joint the constrained optimization algorithm and subspace algorithm, can improve the system performance in strong interfere environment.
单小区多用户MIMO多接入系统性能受限于同信道干扰。
Single cell multiple user MIMO system is interference-limited by cochannel.
提出了一种基于受限平均输出能量(CMOE)准则的用于多径CD MA信道的盲多用户检测器。
We propose a blind adaptive multiuser detection in multipath CDMA channels based on CMOE criteria.
本文将子波网络用于实现DSCDMA系统信道中多用户的信号检测。
In this paper, we employ wavelet networks for demodulation of DS CDMA(direct sequence code disivion multiple access) signals in a multi access environment.
该方法充分利用多用户系统用户分集增益的特点，将信道资源尽量分配给信道质量较高的用户。
The inventive method fully utilizes the user diversity increment of the multi-user system to distribute the channel resource to the user of higher channel quality at most.
并通过限制权矢量的范数，实现了稳健的多用户联合信道干扰抑制。
By restraining the norm of the weight vector, robust multiuser access interference cancellation is achieved.
在CD MA移动通信系统中，多址接入干扰可以通过多用户检测技术来消除，而分集接收可以减小信道衰落的影响。
In CDMA mobile communication systems, multiple access interference can be cancelled by multiuser detection technique. The degradation by channel fading can be reduced by diversity reception.
它使用改进的部分并行干扰消除算法实现多用户检测 ，并在导频辅助下估计时变信道 。
The multi-user detection is realized by the modified partial parallel interference cancellation (PPIC), and estimates TV channels aided by pilots.
文中迈进一步仿真分析了信道估计错误对检测器的影响，发现对于较大的信道估计错误，多用户检测器比单用户检测器更敏感。
Further analyzing the effect of channel estimation error on the detectors, it is found that the multiuser detector is more sensitive to big estimation error than the single user detector.
克服码间干扰常用均衡的方法，而同信道干扰则可利用多用户检测加以抑制。
The method of overcoming ICI is equilibrium, and ISI can be restrained by using multi-user detection technology.
单片完成了多用户捕获、异步多用户检测、信道参数跟踪算法。
Multiuser acquisition and multiuser detection channel parameter track are fulfilled on a single chip.
单片完成了多用户捕获、异步多用户检测、信道参数跟踪算法。
Multiuser acquisition and multiuser detection channel parameter track are fulfilled on a single chip.
应用推荐