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Proceedings Article

Hybrid frequency-time domain Tx and Rx I/Q imbalance compensation for coherent optical OFDM transmission

[+] Author Affiliations
Simin Chen, Abdullah Al Amin, William Shieh

The Univ. of Melbourne (Australia)

Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 79880Q (February 18, 2011); doi:10.1117/12.888150
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From Conference Volume 7988

  • Optical Transmission Systems, Switching, and Subsystems VIII
  • Yikai Su; Ernesto Ciaramella; Xiang Liu; Naoya Wada
  • Shanghai, China | December 08, 2010

abstract

A compensation scheme for transmitter (Tx) and receiver (Rx) I/Q imbalance with the interference of carrier frequency offset for CO-OFDM transmission is demonstrated. It has low over-head using only two specific designed symbols for Rx side I/Q imbalance and two for that of Tx side, respectively. Rx compensation is performed in time domain after OFDM frame synchronization and the Tx I/Q imbalance is compensated in frequency domain after channel and phase estimation. The bit error rate (BER) and Q improvement are evaluated experimentally to demonstrate the effectiveness of compensation algorithms. This scheme performs better with the increase of OSNR.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Simin Chen ; Abdullah Al Amin and William Shieh
"Hybrid frequency-time domain Tx and Rx I/Q imbalance compensation for coherent optical OFDM transmission", Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 79880Q (February 18, 2011); doi:10.1117/12.888150; http://dx.doi.org/10.1117/12.888150


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