METHOD FOR OPERATION OF A BIDIRECTIONAL OPTICAL TRANSMISSION CLASS AND CORRESPONDING OPTICAL TRANSMISSION CLASS
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- ADTRAN NETWORKS SE
- Filing Date
- 2021-11-04
- Publication Date
- 2026-06-10
AI Technical Summary
Optical transmission systems face limitations in increasing data rate due to bandwidth constraints and chromatic dispersion, particularly in standard optical fibers within the C-band, which hinder the use of coherent optical transceivers and complicate digital signal processing, making it difficult to achieve high data rates efficiently.
A method for pre-compensating bandwidth limitations and chromatic dispersion by determining filter coefficients and chirp parameters at the transmitting side using information from the receiving side, through an initialization process involving optical transceivers and digital filters, to optimize inter-symbol interference and bit error rate.
This approach reduces transceiver costs and improves transmission link performance, including reach and bit error rate, by automatically determining pre-compensation parameters for optical transmission links.