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Table 1 Comparison between improved constant modulus algorithm and traditional constant modulus algorithm at different signal/noise ratios

From: Wireless sensing network transmission system with improved constant modulus algorithm

Signal/noise ratio (dB)

ICMA

Traditional CMA

 

Convergent iteration time (approximate)

After convergence (ISI/dB)

Balancer delay

Convergent iteration time (approximate)

After convergence (ISI/dB)

Balancer delay

61

5,200

−75

0

9,100

−55

2

55

5,000

−72

0

8,800

−52

3

42

4,300

−61

1

6,900

−51

9

31

2,800

−56

2

8,300

−43

4

23

2,450

−51

2

6,400

−38

9

17

2,200

−47

2

5,600

−36

14

13

2,100

−31

3

2,800

−25

27

8

1,300

−26

1

5,600

−21

23

4

1,400

−24

0

5,300

−23

24