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W1991353886 abstract "Spatial Modulation is a kind of spatial multiplexing schemes conveying information by the location of transmit antennas and spatial modulation (SM) along with OFDM can be applied to visible light communications for higher data rates. The closed form of symbol error rate (SER) in optical SM-OFDM communication system is derived in this paper. SER is a convex function of power allocation coefficients, therefore there exist optimal allocation coefficients minimizing SER. The optimal allocation coefficients are derived for different channels and numbers of transmit antennas. Analytical results are validated by Monte Carlo simulation results and these results show that a significant SER improvement is obtained by using the power allocation. In addition, the optimal allocation coefficients are affected by the channel and number of transmitters." @default.
W1991353886 created "2016-06-24" @default.
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W1991353886 date "2014-02-01" @default.
W1991353886 modified "2023-10-18" @default.
W1991353886 title "Optimal Power Allocation in SM-OFDM System Based on Visible Light Communications" @default.
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W1991353886 doi "https://doi.org/10.4028/www.scientific.net/amm.513-517.3429" @default.
W1991353886 hasPublicationYear "2014" @default.
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