Parallel Resampling of OFDM Signals for Fluctuating Doppler Shifts in Underwater Acoustic Communication

Table 4

Statistical results based on short-term Doppler shifts.

Doppler shift patterns				Estimated Doppler shift (Hz)
Case	A	B	C	Ave.	Std.	Max.	Min.
(1)	Δ	0	−Δ	1.8	10.5	32.4	−15.7
(2)	Δ	−Δ	0	4.9	12.5	44.1	−15.9
(3)	0	Δ	−Δ	2.9	9.9	29.8	−15.4
(4)	0	−Δ	Δ	3.3	13.1	49.6	−15.9
(5)	−Δ	Δ	0	7.0	12.9	48.9	−20.7
(6)	−Δ	0	Δ	4.4	10.2	43.0	−20.7