Method for computing the optimal signal distribution and channel capacity

作     者：Shapiro, E. G. Shapiro, D. A. Turitsyn, S. K. 

作者机构：Inst Automat & Electrometry Novosibirsk 630090 Russia Novosibirsk State Univ Novosibirsk 630090 Russia Aston Univ Aston Inst Photon Technol Birmingham B4 7ET W Midlands England 

出 版 物：《OPTICS EXPRESS》 (Opt. Express)

年 卷 期：2015年第23卷第12期

页      面：15119-15133页

核心收录：

学科分类：070207[理学-光学] 07[理学] 08[工学] 0803[工学-光学工程] 0702[理学-物理学] 

基　　金：Grant of Ministry of Education and Science of the Russian Federation [14.B25.31.0003] EPSRC project UNLOC Government program of the leading research schools [NSh-4447.2014.2] EPSRC [EP/J017582/1] Funding Source: UKRI 

主　　题：Amplified spontaneous emission Computation methods Fiber optic communications Nonlinear optical fibers Optical communications Signal regeneration 

摘      要：An iterative method for computing the channel capacity of both discrete and continuous input, continuous output channels is proposed. The efficiency of new method is demonstrated in comparison with the classical Blahut - Arimoto algorithm for several known channels. Moreover, we also present a hybrid method combining advantages of both the Blahut Arimoto algorithm and our iterative approach. The new method is especially efficient for the channels with a priory unknown discrete input alphabet. (C) 2015 Optical Society of America