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  • Optical Index-Coded Space Shift Keying (IC/SSK) 

    In this letter, a new channel coding technique is proposed for optical spatial shift keying (SSK)-based visible light communications (VLC) systems by introducing redundancy in the spatial domain. The information is encoded by the redundant indices of the light emitting diodes (LEDs), assuming full channel state information (CSI) at the transmitter. The efficient construction of index-coding (IC) is presented with low computational complexity. Depending on the number of LEDs and the PDs as well as ...