Table 1.
Node contact information table.
| Node number | The contact time | Contact duration |
|---|---|---|
| N1 | T1 | L1 |
| N2 | T2 | L2 |
| N3 | T3 | L3 |
| N1 | T4 | L4 |
| N4 | T5 | L5 |
| N5 | T6 | L6 |
| N3 | T7 | L7 |
| N3 | T8 | L8 |
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