User Manual

Chapter 4 - Operation and Administration of the Micro BTS BS Menu
4Motion 732 System Manual
 “Keep Alive Period”
 “Polling Period”
 “Number of Retransmissions”
4.7.2.9.1 Enable Keep Alive
Enable/disable the keep-alive mechanism. The default is Disable.
The following parameters are applicable only if Keep Alive is enabled.
4.7.2.9.2 Keep Alive Period
Time in milliseconds to wait for a response before initiating another polling
attempt or reaching a decision that the polled entity has failed (if the maximum
number of retries set by Number of Retransmissions has been reached).
The range is from 100 to 10000 milliseconds (0.1 to 10 second). The default is
5000.
4.7.2.9.3 Polling Period
The period in seconds between polling sessions.
The range is from 10 to 1000 seconds. The default is 60 seconds.
Polling Period x 1000 (value in milliseconds) cannot be lower than Keep Alive
Period x (Number of Retransmissions+1)
4.7.2.9.4 Number of Retransmissions
Maximum number of retries if Retransmission Timeout has expired without
getting a response.
The range is from 0 to 10. The default is 5.
4.7.2.10 Scheduler
Scheduling uncommitted (above the maximum reserved rate) traffic can be done
using one of the following options:
 Equal Time (ET) scheduling mode, in which air resources are being scheduled
in a fair manner proportional to the users' excess traffic (maximum sustained
rate - maximum reserved rate) SLAs.
 Equal Rate (ER) scheduling mode, in which air resources are allocated to users
aiming at ensuring data rate fairness between users proportional to their
excess traffic SLAs.