Understanding FEC and Its Implementation in Cisco Optics
FEC uses n symbol codewords consisting of a data block that is k symbols long and a parity block (the code and redundant bits) that is n-k symbols long (see Figure 5). We denote a
Coded Modulation Techniques in Fiber-Optical Communications
In order to achieve a higher spectral efficiency, exploiting an advanced coded modulation scheme is inevitable. Since a general fiber-optic link is a non-Gaussian channel with nonlinear behavior, new
Performance Enhancement of Fiber Optic and Optical Wirele...
The study has outlined the different correction codes based optical wireless communication channel and security management in free space optics communication systems.
Forward Error Correction (FEC) techniques for optical
This code is called (n, k) code, where n=k+r. Since code space is enlarged and codewords are a constrained subset, error detection and correction is possible based on maximum likelihood decoding.
Optimization of coded modulation theory and algorithm for optical fiber
In order to optimize the performance of optical communication systems, this study draws on the biomechanical signal conduction mechanism to construct an optical fiber modulation scheme
Analysis of Forward Error Correction Codes in Fiber
This paper investigates the utility of FEC codes used to improve communication systems reliability. We consider Reed–Solomon (RS) codes,
Forward error correcting codes in fiber-optic synchronous code
In block codes, a block of k bits of information is followed by a group of r check bits. This results in a block of n (=k+r) bits which is called a code-word. The code is referred as (n, k) code.
Analysis of Forward Error Correction Codes in Fiber Optic Communication
This paper investigates the utility of FEC codes used to improve communication systems reliability. We consider Reed–Solomon (RS) codes, Convolutional codes, and their concatenation,
Scilab Companion for Fiber Optics
This document is a Scilab textbook companion for the book "Optical Fiber Communication" by A. Selvarajan, S. Kar and T Srinivas. It was created by Lochan Jolly and contains Scilab codes that
Line Code and Block Codes for Optical Fiber Systems
In this paper, the various line codes used in fiber optic communication have been reviewed. The need for line codes and the features of line codes are discussed.
IEEE/OSA JOURNAL OF LIGHTWAVE TECHNOLOGY 1
ion (FEC) codes suitable for high-speed optical commu-nications, are introduced. An ITU-T G.709-compatible staircase code with rate R = 239/255 is proposed, and FPGA-based simulation results
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