Data Selective Rake Reception for Underwater Acoustic Communication in Strong Multipath Interference

Table 2

Simulation parameters.

Modulation	QPSK-OFDM
Sampling frequency [kHz]	200
Center frequency [kHz]	50
Frequency band [kHz]	40 to 60
FFT size	1024
Number of data subcarriers	1024
OFDM symbol length [ms]	51.2
GI [ms]	12.8
Number of OFDM symbols	10
Number of training OFDM symbols	2
OFDM frame length [ms]	768
OFDM frame data size [bytes]	1280
FEC	Convolutional coding & Viterbi decoding
Coding rate	0.5
Number of antennas	1 (TX)/4 (RX)
Number of OFDM rake fingers	64
Timing synchronization	Perfect
Number of evaluated OFDM frames	100