Roam Control - ProSoft Technology RLX2-IHW User Manual

RLX2-IHW
The default is set to 1 antenna. The main connector labeled 'Antenna' is used. If RX
diversity is desired to improve performance in high multipath environments a second
antenna can be added to the connector labeled 'Rx Only' and the Active Antenna
control set to 2 Antennas.

Roam Control

In roaming applications, a mobile platform equipped with an RLX2 Repeater roams from
one Master's coverage area to another. By default, an RLX2 Repeater roams
autonomously by calculating the cost for each roam candidate based only on RSSI and
hop count. A lower cost determines when a better Parent candidate is present.
The RLX2 employs aspects of the Fast Transition (FT) standard to reduce the time it
takes to roam. An FT Roam will be used if the Repeater, the current Parent, and the next
Parent all have FT enabled. FT Roaming can be turned off by checking the Disable FT
checkbox resulting in normal non-FT Roams.
Independent to the type of Roam, there are several limitations when the RLX2s are
operating in autonomous roam mode that can be overcome by using Parent Assisted
Roaming.

Given that the current RLX2 only has one radio module, all Masters, by
necessity, have to be on the same Channel to allow the roaming Repeater to
detect them.

In applications where the mobile platform is travelling a known path, it is
necessary to have an unambiguous option when it reaches a roam point. If
multiple Parents are in range at the roam point, it may decide to roam to the
wrong Parent.

The Repeater's Roam Threshold and Parent Margin settings are used for every
roam. Due to topology variances, there may be one or two coverage areas that
would operate better with different settings for these roam parameters.
ProSoft Technology, Inc.
November 3, 2016
RLX2 Industrial Hotspot Series
Page 89 of 208