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[J]. Chinese Optics Letters, 2018, 16(6): 060604
- Chinese Optics Letters
- Vol. 16, Issue 6, 060604 (2018)
Fig. 1. Schematic of the modified post-equalizer at the receiver.
Fig. 2. Block diagram and experimental setup in the MISO-STBC system.
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.
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).
Fig. 5. (a) BER versus baud rate; (b) Q factor versus baud rate.
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