Adaptive Frequency-Domain Equalization for Mode-Division Multiplexed Transmission

Adaptive Frequency-Domain Equalization for Mode-Division Multiplexed Transmission

We propose single-carrier adaptive frequency-domain equalization (SC-FDE) for mode-division multiplexed transmission. A two-mode fiber long haul transmission system is simulated. The performances of both FDE and time-domain equalization (TDE) are verified and compared. The FDE approach reduces the c...

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Veröffentlicht in:IEEE photonics technology letters 2012-11, Vol.24 (21), p.1918-1921
Hauptverfasser: Neng Bai, Guifang Li
Format: Artikel
Sprache:eng
Schlagworte:
Adaptive equalizers
Complexity theory
Frequency domain analysis
multiple-input-multiple-output (MIMO)
Multiplexing
Optical fiber communication
Optical fibers
Training
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container_end_page 1921
container_issue 21
container_start_page 1918
container_title IEEE photonics technology letters
container_volume 24
creator Neng Bai
Guifang Li
description We propose single-carrier adaptive frequency-domain equalization (SC-FDE) for mode-division multiplexed transmission. A two-mode fiber long haul transmission system is simulated. The performances of both FDE and time-domain equalization (TDE) are verified and compared. The FDE approach reduces the computational complexity significantly compared to the TDE while maintaining the same performance. For a two-mode transmission of 2000 km, FDE decreases the complexity by a factor of as much as 77 compared with TDE at the expense of a large memory length of 2048 that may require higher hardware complexity. The dynamic response of the adaptive equalizer is simulated by using a mode scrambler. FDE achieves the same tracking speed as TDE.
doi_str_mv 10.1109/LPT.2012.2218802
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subjects Adaptive equalizers
Complexity theory
Frequency domain analysis
multiple-input-multiple-output (MIMO)
Multiplexing
Optical fiber communication
Optical fibers
Training
title Adaptive Frequency-Domain Equalization for Mode-Division Multiplexed Transmission
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