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EURASIP Journal on Advances in Signal Processing

Table 2 The list of ADO-OFDM constellation modified from reference [[9]] is used in Figures4and5

From: A novel power-efficient scheme asymmetrically and symmetrically clipping optical (ASCO)-OFDM for IM/DD optical systems

Symbol

ADO-OFDM constellation size

DC bias level

A

ACO-OFDM 4-QAM, DCO-OFDM 4-QAM

5.5 dB

B

ACO-OFDM 16-QAM, DCO-OFDM 4-QAM

5.1 dB

C

ACO-OFDM 64-QAM, DCO-OFDM 4-QAM

4.3 dB

D

ACO-OFDM 16-QAM, DCO-OFDM 16-QAM

7.3 dB

E

ACO-OFDM 64-QAM, DCO-OFDM 16-QAM

6.6 dB

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