Research Article
Det-WiFi: A Multihop TDMA MAC Implementation for Industrial Deterministic Applications Based on Commodity 802.11 Hardware
Table 1
Comparison of latency and packet loss ratio between Det-WiFi and 802.11s in real industrial environment.
| Payload | Scenarios
| Max latency (μs) | Mean latency (μs) | Latency standard deviation (μs) | Packet loss ratio | Det-WiFi | 802.11s | Det-WiFi | 802.11s | Det-WiFi | 802.11s | Det-WiFi | 802.11s |
| 50 bytes | Two-hop | 1321 | 31626 | 1084 | 1303 | 25.08 | 388.3 | 0.22% | 0% | Four-hop | 2718 | 16076 | 2147 | 2371 | 55.25 | 631.1 | 0.56% | 0% | 200 bytes | Two-hop | 1303 | 13906 | 1119 | 1285 | 29.87 | 301.6 | 0.20% | 0% | Four-hop | 2702 | 53695 | 2284 | 2517 | 40.73 | 894.5 | 0.59% | 0% | 500 bytes | Two-hop | 1394 | 21200 | 1142 | 1225 | 29.13 | 363.7 | 0.22% | 0% | Four-hop | 2861 | 27300 | 2361 | 2505 | 50.06 | 768.9 | 0.58% | 0% |
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