Kejun Jia, Bin Jin, Li Hao. Performance Analysis of Optical OFDM Adaptive Bit-Power Loading in Indoor Visible Light Communications[J]. Laser & Optoelectronics Progress, 2019, 56(3): 030603
- Laser & Optoelectronics Progress
- Vol. 56, Issue 3, 030603 (2019)
Fig. 1. Geometrical model of indoor VLC
Fig. 2. Schematic of the multipath channel model
Fig. 3. Diagram of the optical adaptive bit-power loading OFDM system
Fig. 4. Channel gain with different coordinates of PD. (a) (3,3,0.85); (b) (1.5,1.5,0.85); (c) (0.5,0.5,0.85)
Fig. 5. (a)-(c) Bit allocation and (d)-(f) power allocation of three kinds of algorithms in ACO-OFDM system
Fig. 6. (a)-(c) Bit allocation and (d)-(f) power allocation of three kinds of algorithms in DCO-OFDM system
Fig. 7. Comparison of BER performance for adaptive ACO-OFDM and adaptive DCO-OFDM
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Table 1. Simulation parameters
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Table 2. Algorithm simulation parameters
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Table 3. Power comparison results of adaptive ACO-OFDM
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Table 4. Power comparison results of adaptive DCO-OFDM
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Table 5. Comparison of power allocation for ACO-OFDM and DCO-OFDM
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