论文标题
基于光纤通道的参数分布拟合的阈值检测方案
Threshold detection scheme based on parametric distribution fitting for optical fiber channels
论文作者
论文摘要
当数据通过以传输信号的幅度（例如在振幅偏移键）的幅度中编码数据来传输数据时，接收器通过观察接收信号的幅度来决定传输数据。根据接收信号的级别，接收器必须以最小的错误概率解码接收到的数据。对于二进制传输，这是通过选择决策阈值来实现的。本文评估了阈值检测机制，该机制使用与接收信号的参数概率分布拟合。基于我们对可见光通信的较早工作，该想法扩展到光纤通道，发现在光纤通道中，通过将雷利分布拟合到接收到的数据导致错误概率接近零来获得的阈值。
When data is transmitted by encoding it in the amplitude of the transmitted signal, such as in Amplitude Shift Keying, the receiver makes a decision on the transmitted data by observing the amplitude of the received signal. Depending on the level of the received signal, the receiver has to decode the received data, with minimum probability of error. For binary transmission, this is achieved by choosing a decision threshold. A threshold detection mechanism is evaluated in this paper, which uses parametric probability distribution fitting to the received signal. Based on our earlier work on visible light communication, the idea is extended to a fiber optic channel and it is found that in a fiber optic channel, the threshold value obtained by fitting a Rayleigh distribution to the received data results in error probability approaching zero.
