Research Article
Three-Dimensional UWSN Positioning Algorithm Based on Modified RSSI Values
Table 2
Average measured distance between nodes.
| | Anchor node communication radius (m) | Actual distance (m) | Traditional RSSI ranging (m) | Median RSSI ranging (m) | Modified RSSI ranging (m) |
| | 25 | 12.9948 | 9.918 | 11.1843 | 11.9665 | | 30 | 9.75967 | 7.7065 | 8.6203 | 9.0692 | | 35 | 17.5656 | 15.7956 | 16.8796 | 17.1693 | | 40 | 11.4812 | 12.2875 | 11.0354 | 11.6564 |
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