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。
Simulation results show that compared with fixed training interval schemes, the improved algorithm can achieve better BER (Bit Error Rate) performance while keeping lower system overhead.
与采用固定训练周期相比，该方法可以在保证比较低的导频开销的同时，使系统获得更好的误比特性能。
Simulation results show that compared with fixed training interval schemes, the improved algorithm can achieve better BER (Bit Error Rate) performance while keeping lower system overhead.
与采用固定训练周期相比，该方法可以在保证比较低的导频开销的同时，使系统获得更好的误比特性能。
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