Chapter 9 Wireless
ZyWALL/USG Series User’s Guide
256
9.6 RTLS Overview
Ekahau RTLS (Real Time Location Service) tracks battery-powered Wi-Fi tags attached to APs
managed by the ZyWALL/USG to create maps, alerts, and reports.
The Ekahau RTLS Controller is the centerpiece of the RTLS system. This server software runs on a
Windows computer to track and locate Ekahau tags from Wi-Fi signal strength measurements. Use
the ZyWALL/USG with the Ekahau RTLS system to take signal strength measurements at the APs
(Integrated Approach / Blink Mode).
The following example shows the Ekahau RTLS Integrated Approach (Blink Mode).
1 The Wi-Fi tag sends blink packets at specified intervals (or triggered by something like motion or
button presses).
2 The APs pick up the blink packets, measure the signal strength, and send it to the ZyWALL/USG.
3 The ZyWALL/USG forwards the signal measurements to the Ekahau RTLS Controller.
4 The Ekahau RTLS Controller calculates the tag positions.
Figure 208 RTLS Example
Power Threshold Set the power level (in dBm) to which the neighbor APs of the failed AP increase their
output power in order to extend their wireless service coverage areas.
When the failed AP is working again, its neighbor APs return their output power to the
original level.
Apply Click Apply to save your changes back to the ZyWALL/USG.
Reset Click Reset to return the screen to its last-saved settings.
Table 92 Configuration > Wireless > Auto Healing (continued)
LABEL DESCRIPTION
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