[Retracted] Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication System with Environmental Cognition Ability

Table 2

EC OFDM UWAC transmission mode which subjects to the IESNR criterion.

Mode	1	2	4	5	6
IESNR range	[−0.5, 1.2)	[1.2, 3.8)	[3.8, 7.8)	[7.8, 13.8)	[13.8, ∞)