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.
其次，文中进一步开展了群盲多用户检测器的研究。
Secondly, further analysis have been made to group blind multi-user detection.
提出了一种新颖的基于粒子群优化和多级检测的混合算法的多用户检测器。
A novel hybrid algorithm approach that employs a particle swarm optimization (PSO) and a multistage detection for the multiuser detection problem (PSOMSD) is proposed.
本文讨论一种具有非标准约束的常数模准则，得出一种新的盲多用户检测器。
The paper considers a constant modulus cost function with non-canonical constraint, and presents a new blind multiuser detector.
针对多址干扰信号的特点，研究了一种改进的硬判决并行干扰多用户检测器。
According to the characteristics of MAI in CDMA systems, a multi user detector is designed by a new hard decision parallel decision algorithm for MAI cancellation.
另外，支撑矢量机多用户检测器的非线性特性可以比线性检测器更好地逼近最优检测器。
The nonlinear support vector machine multiuser detector can approach the optimum multiuser detector in a better way than the other linear detectors.
最佳多用户检测器是非线性检测器，特征码不完全正交时，线性检测器很难逼近最佳检测器。
Due to non orthogonality of signature sequence, performance of linear detector is much less than that of the optimum detector that is nonlinear.
本文通过借鉴量子信号处理的思想，给出了一种新的线性多用户检测器：加权正交匹配滤波检测器。
Weighed Orthogonal Matched Filter detector which is considered as a novel linear multi-user detector is presented by using the ideas from quantum signal processing.
盲自适应多用户检测器只需知道期望用户的扩频码及定时信息，就可以实现对多址干扰的有效抑制。
A blind adaptive multi user detector can suppress multi user interference, but only requiring timing and signature waveform of desired user.
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.
仿真实验显示，本章提出的五种检测器算法的误码率均远低于已有的解相关、最小均方误差和多级多用户检测器。
Our simulation experiments show that the bit-error-ratio (BER) of these new detectors is much lower than that of decorrelation, minimum mean-squared error and multistage detectors.
本文提出了一种改进型的LMF自适应多用户检测器，即互补比较L MF多用户检测器(CCLMF - MUD)。
This paper proposes a modified LMF adaptive multiuser detector which called Complementary Compare LMF multiuser detector (CCLMF-MUD).
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.
为了克服这些缺点，本文对该算法进行了改进，得到两种自适应人工鱼群算法（AAFSA_FP和AAFSA_SP），并首次用其构建了新的多用户检测器。
To overcome these problems, two improved AFSA named AAFSA_FP and AAFSA_SP were proposed based on idea of adaptive. Then the new algorithms are applied to solve the multiuser detection problems.
接收端使用最大似然检测器，利用所有接收信号进行多用户联合检测。
The Maximum Likelihood Detector is used in the receiver for joint detection using all received signals.
本文提出了平均误比特率最小意义下的最佳线性多用户信号检测器，并给出了求解这种最佳线性多用户信号检测器的近似方法——训练单层感知器法。
This paper presented a optimum linear multiuser detector in terms of minimum mean bit error rate, and given a approximate method of solving the detector - method of training single perceptron.
提出了一种基于量子神经元与量子寄存器的多用户检测方案，计算机仿真结果表明：本文所提出的检测器在误码率和抗“远近”效应方面均具有良好的性能。
A multiuser detector based on quantum neuron and quantum register is proposed. Computer simulation results show that the method has powerful properties both in bit error rate and near-far resistance.
提出了一种基于量子神经元与量子寄存器的多用户检测方案，计算机仿真结果表明：本文所提出的检测器在误码率和抗“远近”效应方面均具有良好的性能。
A multiuser detector based on quantum neuron and quantum register is proposed. Computer simulation results show that the method has powerful properties both in bit error rate and near-far resistance.
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