Saturday, May 18, 2013

BS PA MFRMS - PSR Alcatel-Lucent

Improvement in PSR (Paging Success Rate) can be achieved by tuning of BS_PA_MFRMS and reducing Paging discards. Paging discards are mostly due to congestion in the BSC, on the Abis link and/or on the PCH (Paging Channel) ie Air interface.

Parameter:
  • BS_PA_MFRMS
Target Cells: Cells with higher number of paging discards

Theory: 
  • This parameter defines the the number of 51 multiframes between two consecutive occurrences of Paging group (a number of pagings)
  • Higher value means less number of pagings will be transmitted in a given interval thereby conserving lesser power of the MS
  • Reducing this parameter increases number of pagings per paging group (for a given value of MSC paging timer T3113) and therefore probability of no paging response decreases

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