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%