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Table 1 Channel I: a frequency-domain case

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

Channel I

path

scaleα l

delayλ l

path gain h ̄ l

(T=0.2 ms

l=0

1.0150

0.00

0 dB

ω=256

l=1

1.0154

10.15

−3 dB

K=128)

l=2

1.0201

20.40

−5 dB

Parameter

Original

(β,ϕ,σ)=(1,0,0)

 

Resampled

(βF,,ϕF,,σF,)=(1.0150,−0.0150,−15.00)

 

Orig./no precond.

4.26×105

Cond. Num.

Orig./with precond.

1.19×106

for FD

Resampl./no precond.

23.36

 

Resampl./with precond.

7.17

FD Ratio

Original

ρ F ( 1 , 0 , 0 ) = 0 . 0021

 

Resampled

ρ F ( β F , , ϕ F , , σ F , ) = 0 . 9279