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.
针对多用户MIMO- OFDM通信网络，提出了一种基于系统和容量最大化的子载波分配算法。
A subcarrier allocation algorithm is presented for multiuser MIMO-OFDM communication network based on maximum of the system sum capacity.
在DS- CDMA系统中，许多用户占用同一个频带进行通信。
In DS - CDMA system, a number of users share a common frequency band.
近些年来，为了满足多用户网络通信系统的需求，量子密钥分发网络的研究已经成为一个新的研究方向。
During these years, the analysis on QKD network has become a new trend, which is used to fulfill the requirements of multi-user communication systems.
论文首先从CDMA通信系统出发，研究了CDMA通信中的传统检测方法和多用户检测技术，并对现有的多用户检测方法进行了分析、归纳。
The paper studies the traditional detection method and multi-user detection method in CDMA communication. Meanwhile the existing multi-user method is analyzed and concluded.
这种防盗器安装隐蔽，不易被盗贼发现，同时它的信号经过单片机系统处理后方便和PC机通信，便于多用户统一管理。
The fixxing of this alarm is covert, which is discovered easily by cracksman. After has been processed by SCM, the signal of alarm communicates with PC, which is convenient for uniform management.
结果表明该系统具有较好的性能，可满足多用户通信的要求，因此具有一定的应用前景。
The result shows that it has good performance, satisfies the requirement of multi-user communication, and has certain application foreground.
多用户多媒体通信系统的设计实例展示了转换设计方法的具体过程。
The case of study of the multi user multi media system demonstrates the processes of our method in detail.
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.
本文以基于OFDM技术的第四代移动通信系统为背景，在多用户信息论的指导下，研究系统中的资源优化分配问题。
In this dissertation, under the guidance of multiuser information theory, the resource optimization techniques in both OFDM systems and cooperative communication systems are intensively studied.
在系统中存在多用户干扰及接收机散粒噪声的情况下，推导出该系统误码率上限，并对该系统特性与无光硬件限幅器的光PPM- CDMA通信系统特性作了比较。
The performance of the system is evaluated when considering the effects of both multi user interference and photo detector shot noise. An upper bound on the bit error rate is derived.
设计并实现一个能够处理多用户进行实时、安全的即时通信系统具有较强的现实意义。
To design a Multi-user IM (instant message) architecture is very important in both theory and realism.
功率控制和多用户检测是CD MA移动通信系统中克服远近效应、抑制多址干扰(MAI)的两项关键技术。
Power control and multiuser detection are two ways to cope with the multiple access interference (MAI) and near-far effect.
功率控制和多用户检测是CD MA移动通信系统中克服远近效应、抑制多址干扰(MAI)的两项关键技术。
Power control and multiuser detection are two ways to cope with the multiple access interference (MAI) and near-far effect.
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