Journal
2022 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE, ACP
Volume -, Issue -, Pages 702-705Publisher
IEEE
DOI: 10.1109/ACP55869.2022.10089036
Keywords
DSCM; DSP; frequence domain; pre-equalization
Funding
- National Natural Science Foundation of China [61871415]
- ZTE's Industry, University and Research Cooperation Foundation [HC-CN-20201208015]
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DSCM is a communication technology based on advanced DSP that improves tolerance to fiber nonlinearity and increases transmission distance and capacity. However, compared to high symbol rate single carrier systems, DSCM signals are more sensitive to insufficient device bandwidth, necessitating a DSP scheme with pre-equalization.
DSCM is a communication technology based on advanced DSP, which can effectively improve the tolerance to fiber nonlinearity and increase the transmission distance and capacity. However, compared with the high symbol rate single carrier system, the DSCM signal is more sensitive to insufficient device bandwidth. Therefore, a DSP scheme with pre-equalization is needed for DSCM transmitters. A frequency domain DSP scheme with pre-equalization function for DSCM transmitters is proposed. This scheme can complete filter shaping, subcarrier multiplexing, and pre-equalizing with lower computational complexity and the impairment caused by insufficient bandwidth of transmitter devices can be compensated effectively.
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