Independent component analysis based channel equalization for 6 × 6 MIMO-OFDM transmission over few-mode fiber | Zendy

Zhixue He | Zendy; Xiang Li | Zendy; Ming Luo | Zendy; Rong Hu | Zendy; Li Cai | Zendy; Ying Qiu | Zendy; Songnian Fu | Zendy; Qi Yang | Zendy; Shaohua Yu | Zendy

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Independent component analysis based channel equalization for 6 × 6 MIMO-OFDM transmission over few-mode fiber

Author(s) -

Zhixue He,

Xiang Li,

Ming Luo,

Rong Hu,

Li Cai,

Ying Qiu,

Songnian Fu,

Qi Yang,

Shaohua Yu

Publication year - 2016

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.009209

Subject(s) - independent component analysis , mimo , channel (broadcasting) , equalization (audio) , transmission (telecommunications) , orthogonal frequency division multiplexing , computer science , electronic engineering , telecommunications , artificial intelligence , engineering

We propose and experimentally demonstrate two independent component analysis (ICA) based channel equalizers (CEs) for 6 × 6 MIMO-OFDM transmission over few-mode fiber. Compared with the conventional channel equalizer based on training symbols (TSs-CE), the proposed two ICA-based channel equalizers (ICA-CE-I and ICA-CE-II) can achieve comparable performances, while requiring much less training symbols. Consequently, the overheads for channel equalization can be substantially reduced from 13.7% to 0.4% and 2.6%, respectively. Meanwhile, we also experimentally investigate the convergence speed of the proposed ICA-based CEs.

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