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Chinese Optics Letters, Volume. 16, Issue 6, 060604(2018)

MISO visible light communication system utilizing hybrid post-equalizer aided pre-convergence of STBC decoding

Liang Qiao, Xingyu Lu, Shangyu Liang, Jiao Zhang, and Nan Chi*
Author Affiliations
  • Shanghai Institute for Advanced Communication and Data Science, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai 200433, China
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    Schematic of the modified post-equalizer at the receiver.

    Fig. 1. Schematic of the modified post-equalizer at the receiver.

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    Block diagram and experimental setup in the MISO-STBC system.

    Fig. 2. Block diagram and experimental setup in the MISO-STBC system.

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    (a) BER versus DC voltages of LED1; (b) BER versus DC voltages of LED2; (c) BER versus VPP voltages of LED1; (d) BER versus VPP voltages of LED2.

    Fig. 3. (a) BER versus DC voltages of LED1; (b) BER versus DC voltages of LED2; (c) BER versus VPP voltages of LED1; (d) BER versus VPP voltages of LED2.

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    (a)–(c) 49 constellations before STBC decoding of (1), (2), and (3); (a-1)–(c-1) 16 constellations after STBC decoding without channel optimization of (1), (2), and (3); (a-2)–(c-2) 16 constellations after STBC decoding with channel optimization of (1), (2), and (3).

    Fig. 4. (a)–(c) 49 constellations before STBC decoding of (1), (2), and (3); (a-1)–(c-1) 16 constellations after STBC decoding without channel optimization of (1), (2), and (3); (a-2)–(c-2) 16 constellations after STBC decoding with channel optimization of (1), (2), and (3).

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    (a) BER versus baud rate; (b) Q factor versus baud rate.

    Fig. 5. (a) BER versus baud rate; (b) Q factor versus baud rate.

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    Liang Qiao, Xingyu Lu, Shangyu Liang, Jiao Zhang, Nan Chi, "MISO visible light communication system utilizing hybrid post-equalizer aided pre-convergence of STBC decoding," Chin. Opt. Lett. 16, 060604 (2018)

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Feb. 11, 2018

    Accepted: Apr. 19, 2018

    Published Online: Jul. 2, 2018

    The Author Email: Nan Chi (nanchi@fudan.edu.cn)

    DOI:10.3788/COL201816.060604

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology