2009
DOI: 10.1364/jocn.1.000555
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Suppression of Fiber Nonlinearities and PMD in Coded-Modulation Schemes With Coherent Detection by Using Turbo Equalization

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Cited by 55 publications
(32 citation statements)
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“…6, the number of states is equal to the finite field size for single parity check (SPC) code and the number of stages is determined by the check node degrees. For additional details about the BCJR algorithm, please refer to [15].…”
Section: Nonbinary Quasi-cyclic Ldpc Coding For 9-qammentioning
confidence: 99%
See 1 more Smart Citation
“…6, the number of states is equal to the finite field size for single parity check (SPC) code and the number of stages is determined by the check node degrees. For additional details about the BCJR algorithm, please refer to [15].…”
Section: Nonbinary Quasi-cyclic Ldpc Coding For 9-qammentioning
confidence: 99%
“…The former process is implemented by digital back-propagation scheme combined sliding-window MAP equalizer. Only a small number of coefficients are used in digital back-propagation scheme [15], just to reduce the channel memory so that the complexity of the MAP equalizer that follows is not too high. With the help of sliding-MAP equalizer and digital back propagation, the corresponding distribution is Gaussian-like, similar to back-to-back scenario.…”
Section: Advanced Coded Modulation Scheme For Non-uniform 9-qam Signamentioning
confidence: 99%
“…The quest for ever higher transmission rates in single mode optical fiber transmission has directed research efforts to (i) compensation of fiber nonlinearities or (ii) considering them as additional noise that can be mitigated using strong forward error correction (FEC) schemes together with judicious choice of the transmitted constellation (coded modulation) [1][2][3]. In the first approach digital backpropagation (DBP) [4][5][6][7] has proved to be effective in mitigating nonlinear distortion and increasing the effective received signal-to-noise ratio (SNR) at the decision gate.…”
Section: Introductionmentioning
confidence: 99%
“…The desire for high capacity fiber-optic networks has led to an adaptation of well-known digital communication and signal processing techniques [1] . The ultimate limit of any signal processing and coding scheme is the channel capacity.…”
Section: Introductionmentioning
confidence: 99%
“…The steps above are repeated until convergence or until the maximum number of iterations are reached. In the numerical results section, we apply the proposed method on a 64 iterative polarization quantization (IPQ) source [1] . The numerical results give a tighter bound on the capacity per single-polarization per channel.…”
mentioning
confidence: 99%