Iterative equalization for OFDM systems over wideband Multi-Scale Multi-Lag channels

EURASIP Journal on Wireless Communications and Networking

Table 2 Channel II: a time-domain case

Channel II	path	scale α_l	delayλ_l	path gain ${\bar{h}}_{l}$
(T=0.2 ms	l=0	1.0161	1.00	0 dB
ω=640	l=1	1.0180	0.80	−3 dB
K=128)	l=2	1.0244	3.00	−5 dB
Parameter	Original	(β,ϕ,σ)=(1,0,0)
	Resampled	(β_T,⋆,ϕ_T,⋆,σ_T,⋆)=(1.0160,−0.0210,−1.00)
	Orig./no precond.	2.54×10⁴
Cond. Num.	Orig./with precond.	7.37×10⁴
for TD	Resampl./no precond.	50.78
	Resampl./with precond.	15.03
TD Ratio	Original	$ρ_{F}^{(1, 0, 0)} = 0.0021$
	Resampled	$ρ_{F}^{(β_{F, ⋆}, ϕ_{F, ⋆}, σ_{F, ⋆})} = 0.9168$