Nan Chi, Jiaqi Zhao, Zhixin Wang. Bandwidth-efficient visible light communication system based on faster-than-Nyquist pre-coded CAP modulation[J]. Chinese Optics Letters, 2017, 15(8): 080601
- Chinese Optics Letters
- Vol. 15, Issue 8, 080601 (2017)
Fig. 1. (Color online) Principle diagram of the differential FTN pre-coding scheme.
Fig. 2. Experimental setup of the VLC system.
Fig. 3. (Color online) Measured BER versus system baud rate of the single-band CAP4 and CAP16W and with/without (W/O) FTN.
Fig. 4. (Color online) Measured BER versus subband overlaps of the (a) two-band CAP4 and (b) two-band CAP16W and W/O FTN.
Fig. 5. (Color online) Measured signal spectrum of the two-band CAP16 (a) W/O and (b) W FTN at 10% subband overlap.
Fig. 6. (Color online) Measured BER versus system baud rate of the (a) two-band CAP4 and (b) two-band CAP16W and W/O FTN.
Fig. 7. Measured system baud rate versus overlap of the (a) two-band CAP4 and (b) two-band CAP16 with FTN.
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Table 1. Computation Complexity of Each Step
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