非线性Schrödinger通道容量的上界

2015 IEEE 14th Canadian Workshop on Information Theory (CWIT) Pub Date : 2015-02-23 DOI:10.1109/CWIT.2015.7255144

Mansoor I. Yousefi, G. Kramer, F. Kschischang

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引用次数: 30

摘要

结果表明，随机非线性Schrödinger (NLS)方程(离散化版)的信道容量以log(l + SNR)为上界，SNR = P0/σ2(z)，其中P0为平均输入信号功率，σ2(z)为距离z处的总噪声功率。这是确定性NLS方程是哈密顿能量守恒动力系统的结果。

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Upper bound on the capacity of the nonlinear Schrödinger channel

It is shown that the capacity of the channel modeled by (a discretized version of) the stochastic nonlinear Schrödinger (NLS) equation is upper-bounded by log(l + SNR) with SNR = P₀/σ²(z), where P₀ is the average input signal power and σ²(z) is the total noise power up to distance z. The result is a consequence of the fact that the deterministic NLS equation is a Hamiltonian energy-preserving dynamical system.

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2015 IEEE 14th Canadian Workshop on Information Theory (CWIT)

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