Optical Communication Technology, Volume. 49, Issue 3, 22(2025)

MIMO neural network equalization algorithm based on channel attention mechanism

HU Junjie, YAN Fengping, GUO Hao, WANG Pengfei, and LUO Changliang
Author Affiliations
  • School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China
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    References(9)

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    [9] [9] VAN U, ROY G H, OKONKWO C M, et al. MIMO equalization with adaptive step size for few-mode fiber transmission systems[J]. Optics Express, 2014, 22(1): 119-126.

    [12] [12] KOEBELE C, SALSI M, SPERTI D, et al. Two mode transmission at 2X100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer[J]. Optics Express, 2011, 19(17): 16593-16600.

    [13] [13] BAI N, IP E, LI M J, et al. Experimental demonstration of adaptive frequency-domain equalization for mode-division multiplexed transmission[C]//2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), March 17-21, 2013, Anaheim, USA. New york: IEEE, 2013: 1-3.

    [14] [14] LIU J, LIU J F, LU J, et al. CART-based transmission equalization for 50 Gbit/s PAM4 over 25 km SSMFin10G-class IM/DD PON [J]. Optical Fiber Technology, 2020, 55: 102137-1-102137-11.

    [15] [15] ZHOU Q, YANG C, LIANG A, et al. Low computationally complex recurrent neural network for high speed optical fiber transmission[J]. Optics Communications, 2019, 441: 121-126.

    [16] [16] FREIRE P J, PRILEPSKY J E, OSADCHUK Y, et al. Deep neural network-aided soft-demapping in coherent optical systems: regression versus classification [J]. IEEE Transactions on Communications, 2022, 70 (12): 7973-7988.

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    HU Junjie, YAN Fengping, GUO Hao, WANG Pengfei, LUO Changliang. MIMO neural network equalization algorithm based on channel attention mechanism[J]. Optical Communication Technology, 2025, 49(3): 22

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    Paper Information

    Special Issue:

    Received: Mar. 5, 2025

    Accepted: Jun. 27, 2025

    Published Online: Jun. 27, 2025

    The Author Email:

    DOI:10.13921/j.cnki.issn1002-5561.2025.03.004

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