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arXiv 1503.07652cs.ITmath.IT
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级联非线性噪声信道容量的上界

Upper Bound on the Capacity of a Cascade of Nonlinear and Noisy Channels

Gerhard Kramer, Mansoor I. Yousefi, Frank R. Kschischang

摘要:

一个上界的非线性和噪声信道的级联的容量。级联模拟分步傅立叶方法计算波形传播的随机广义非线性薛定谔方程。它示出的级联的频谱效率是最多的log(1+SNR),其中SNR是接收机的信噪比。所得结果可应用于光纤信道。然而,带宽的定义是微妙的,并留下开放的解释的界限。其中一些解释进行了讨论。

英文摘要:

An upper bound on the capacity of a cascade of nonlinear and noisy channels is presented. The cascade mimics the split-step Fourier method for computing waveform propagation governed by the stochastic generalized nonlinear Schroedinger equation. It is shown that the spectral efficiency of the cascade is at most log(1+SNR), where SNR is the receiver signal-to-noise ratio. The results may be applied to optical fiber channels. However, the definition of bandwidth is subtle and leaves open interpretations of the bound. Some of these interpretations are discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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