Channel estimation based on adaptively modulated optical OFDM

Jing Zhang; Kun Qiu; Yonggang Li

doi:10.1117/12.803421

11 November 2008 Channel estimation based on adaptively modulated optical OFDM

Jing Zhang, Kun Qiu, Yonggang Li

Proceedings Volume 7136, Optical Transmission, Switching, and Subsystems VI; 71363S (2008) https://doi.org/10.1117/12.803421
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

To achieve adaptive modulation technology in Optical Orthogonal Frequency Division Multiplexing (OOFDM) system, the channel estimation has to be made first and foremost. By imposing a symbol of pilot signals after a certain amount symbols, the frequency response of a given transmission link can be given out. The modulation format can be determined according to the frequency response. A high (low) modulation format is used on a sub-carrier suffering a low (high) transmission loss. The modulation format can be adjusted adaptively.

Citation Download Citation

Jing Zhang, Kun Qiu, and Yonggang Li "Channel estimation based on adaptively modulated optical OFDM", Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 71363S (11 November 2008); https://doi.org/10.1117/12.803421

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