3-126 Customer Programming Software (CPS)
6866537D87-F Chapter 3 - MTM800 Product Information Manual September 2008
29.4 Mobility Parameters
The entries in this field help the terminal to determine a valid control channel when searching for a
‘new cell’ on which to attach and also enable the system SwMI to allocate resources to the terminal.
29.4.1 Min RSSI Threshold Data
The entry in this Field Value defines the received minimum average signal strength that will be
considered by the terminal as a viable control channel.
The range is 0 to -127, the default being -110.
29.4.2 Start Monitoring Threshold Delta
This Field Value is used to set the tolerance threshold above the Slow Reselect Threshold.
The Slow reselect Threshold parameter is one of several system parameters settings used to set for
setting a cells coverage area and the defined RSSI of these parameters is used by the terminal to
determine cell reselection.
If the RSSI of a cell is above this Field Value setting, the signal strength of the cell’s control channel
is considered strong enough so that the terminal will not normally scan other neighbour cells,
29.4.3 Stop Monitoring Delta
The entry in this Field Value defines the value of the received signal above that set in the Start
Monitoring Threshold Delta Field Value after which the terminal will stop monitoring the received
control channel RSSI.
29.4.4 Subscriber Class
Systems may be able to divide their subscriber population into different ‘Classes’ and allocate
certain resources to specific ‘Classes’.
If set to ‘0’, the terminal will not work normally on any system, set this field accordingly, the default is
displayed above. i.e. 0xFFFF.
29.4.5 SC Acquisition Timer
If the Subscriber Class (SC) of the terminal has been set, the terminal will always attempt to log onto
a cell that supports this class.
The Field Value determines the period of time that the terminal will search for a cell that support this
class, after which it will register on the best cell even though there is no SC match.
The range is 0 to 300 seconds, the default is 30 seconds.
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