EURASIP Journal on Advances in Signal Processing

Table 1 Average bit rate/normalized bandwidths of ADO-OFDM and ASCO-OFDM with different constellation combinations

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

	ADO-OFDM		ASCO-OFDM
ACO 4-QAM	2	ACO 4-QAM	1.5
DCO 4-QAM		SCO 4-QAM
ACO 16-QAM	3	ACO 16-QAM	2.5
DCO 4-QAM		SCO 4-QAM
ACO 64-QAM	4	ACO 64-QAM	3.5
DCO 4-QAM		SCO 4-QAM
ACO 16-QAM	4	ACO 16-QAM	3
DCO 16-QAM		SCO 16-QAM
ACO 64-QAM	5	ACO 64-QAM	4
DCO 16-QAM		SCO 16-QAM
		ACO 64-QAM	4.5
		SCO 64-QAM

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