由此推证了异步OCDMA系统在单用户检测下的理论信息容量限。
So the information capacity of the asynchronous OCDMA is gotten.
单用户检测中的关键技术很多，主要有接收端和发送端的同步，信道估计和分集等。
There are many key technologies about the single-user detection, such as synchronization between receiver and transmitter, channel estimation and diversity.
单用户检测中的关键技术很多，主要有接收端和发送端的同步，信道估计和分集等。
There are lots of key technologies about single user detection, such as synchronization between receiver and transmitter, channel estimation and diversity.
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.
将白化滤波后的降维数据矢量看作是单用户的系统，研究了迭代最小二乘(ils)检测和最小均方误差(MMSE)检测。
Then, the whitened dimension-reduced data vector as a single user model is looked, the Iterative Least Squares (ILS) detection and Minimum Mean Square Error (MMSE) detection are researched.
将白化滤波后的降维数据矢量看作是单用户的系统，研究了迭代最小二乘(ils)检测和最小均方误差(MMSE)检测。
Then, the whitened dimension-reduced data vector as a single user model is looked, the Iterative Least Squares (ILS) detection and Minimum Mean Square Error (MMSE) detection are researched.
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