Industrial Network

Standard WLAN

Network topology


Flexible and varying in time

Traffic characteristics

Generally quite regular

Generally bursty

Typical packet size

1 - 32 byte

Up to 1500 byte

Packet latency

Below 1 ms

Generally above 10 ms

Packet error rate

Typically below 109

Typically from 102 to 104

ARQ = Automatic Repeat Request

ARQ hardly possible

Reliability improved by ARQ