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This study proposes a Direct Current-biased Optical Orthogonal Frequency Division Multiplexing (DCO-OFDM) scheme with an additional voltage of 3 V to cover loss 3 dB in Asymmetrical Clipping Optical-OFDM was studied. Testing Effect of change in position of receiver was studied on its performance analyzed by changing the angle between the transmitter and receiver. DCO-OFDM is different from OFDM systems on cellular communications that use radio frequency (RF) and bipolar signal values. The computer simulation results show that the longest distance from the transmitter to the receiver (d) obtained from the 24◦ is 2,413 m or equal to an area of 1.05 m2.

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EVALUASI KINERJA DIRECT CURRENT-BIASED OPTICAL ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (DCO-OFDM) TERHADAP SKALABILITAS SISTEM VISIBLE LIGHT COMMUNICATION