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Table 1 Node locations and range estimates

From: A scalable global positioning system-free localization scheme for underwater wireless sensor networks

Node

Locations (in meters)

 

Node-to-node range (meters)

 

x-position

y-position

 

1

25

30

50

70

1

4,089

4,538

 

NR

3,578

9,879

3,114

8,117

25

9,877

9,874

 

3,402

NR

987

7,664

6,774

30

1,393

2,375

 

5,590

5,687

NR

6,677

9,198

50

7,077

5,550

 

2,265

2,278

7,311

NR

8,765

70

634

4,567

 

2,451

886

4,412

3,386

NR

  1. NR, not relevant.