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How to reduce bit error rate in optical transmission networks?
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The BER may be improved by choosing a strong signal strength (unless this causes cross-talk and more bit errors), by choosing a slow and robust modulation scheme or line coding scheme, and by applying channel coding schemes such as redundant forward error correction codes [2].
Abstract—In telecommunication, the Bit Error Rate (BER) is an indication of how often data has to be retransmitted because of an error. The different modulation techniques scheme is suggested for improvement of BER in fiber optic communications. The developed scheme has been tested on optical fiber systems operating with a non-return-to-zero ...
Apr 4, 2019 · FEC is an effective digital signal processing method that improves the bit error rate of communication links by adding redundant information (parity bits) to the data at the transmitter side so that the receiver side then uses the redundant information to detect and correct errors that may have been introduced in the transmission link.
Key aspects of this research include the utilization of Continuous Wave (CW) lasers for generating stable optical signals, modulation techniques for data pattern simulation, and the analysis of synchronization methods to ensure precise BER measurements.
Optical code division multiple access (OCDMA) represents an optical access technology with significant potential due to its ability for asynchronous access and provision of enhanced security. Consequently, a novel code configuration for spectral amplitude coding (SAC) OCDMA systems, utilizing Double Weight (DW) code families, has been suggested. The DW code family maintains a constant weight ...
This section discusses and demonstrates tools you can use to create error rate plots, modify them to suit your needs, and perform curve fitting on the error rate data and the plots. Creation of Error Rate Plots Using semilogy Function
This paper explain how to determine the link budget design and receiver sensitivity design in term of bit error rate, BER and Q factor for different length and attenuation. The parameters which were taken into consideration of the simulation are network, type of coding, optical fiber
