文章主要讨论了宽带码分多址(WCDMA)网络中无线小区随机接入信道(RACH)的数学建模方法及性能分析。
In this paper, we mainly discuss the mathematical modeling and performances of the Random Access Channel (RACH) of the wireless cells in WCDMA networks.
传统的遥控遥测系统多运用码分多址技术，在某些信道环境下，它的传输速率有时达不到高速通信的要求。
The CDMA system was widely used in the traditional system, but its data rate is not fast enough to satisfy the system that needs in some channel environment.
仿真研究了传输信道和光功率对光码分多址系统性能的影响，分析了传输距离、光纤色散系数、光纤衰减、入纤光功率等与误码率和Q值的关系。
The influences of length, dispersion index and attenuation index of transmission fiber and incident optical power on ber (bit error rate) and Q value of the system is analyzed.
仿真研究了传输信道和光功率对光码分多址系统性能的影响，分析了传输距离、光纤色散系数、光纤衰减、入纤光功率等与误码率和Q值的关系。
The influences of length, dispersion index and attenuation index of transmission fiber and incident optical power on ber (bit error rate) and Q value of the system is analyzed.
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