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Table 1 Simulation parameters of the OFDM packet

From: Deep reinforcement learning-based adaptive modulation for OFDM underwater acoustic communication system

Parameter

Value

Bandwidth: B/Hz

8000

Center frequency /Hz

12,000

Number of subcarriers

1024

Pilot form

Block

pilot length

256

Signal length

256 × 256 × 8

Cyclic prefix (CP) length/protection interval

400