Experimental Demonstration of 16-QAM DD-SEFDM With Cascaded BPSK Iterative Detection

Experimental Demonstration of 16-QAM DD-SEFDM With Cascaded BPSK Iterative Detection

To simplify the complexity of a spectrally efficient frequency-division multiplexing (SEFDM) system, cascaded binary-phase-shift-keying iterative detection (CBID) is proposed for square <inline-formula> <tex-math notation="LaTeX">$M$</tex-math></inline-formula>-ary...

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Bibliographic Details
Main Authors: Jun Huang, Qi Sui, Zhaohui Li, Fei Ji
Format: Article
Language:English
Published: IEEE 2016-01-01
Series:IEEE Photonics Journal
Subjects:
Optical fiber communications
cascaded BPSK iterative detection
SEFDM
Online Access:https://ieeexplore.ieee.org/document/7450613/
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Summary:To simplify the complexity of a spectrally efficient frequency-division multiplexing (SEFDM) system, cascaded binary-phase-shift-keying iterative detection (CBID) is proposed for square <inline-formula> <tex-math notation="LaTeX">$M$</tex-math></inline-formula>-ary quadrature-amplitude-modulation (M-QAM) SEFDM as the first decoding stage, in conjunction with a fixed sphere decoder (FSD). For 16-QAM SEFDM, the decoding complexity of FSD can be reduced to 1/4 with CBID-FSD replacing the iterative detection FSD algorithm to keep the same bit error rate. A 16&#x223C;20 Gb/s intensity-modulated single-sideband 16-QAM optical SEFDM is demonstrated by using the CBID-FSD algorithm.
ISSN:1943-0655

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