Friday, August 16, 2019

How to improve Sdcch Access success rate & SDR?

  • Define more SD Channel.
  • TRX Addition.
  • Active dynamic SD if SD congestion exist.
  • Decrease UE Max distance.
  • Harder access by increasing Rx_Level_Access_Min.
  • Hardware fault recovery.
  • Check Priodic Location Update time.
  • Move SDCCH to TRX with highest Quality.
  • Reduce maximum number of allowed retransmission by UE and increase the relevant time.
  • High interference:Change CO or Adjacent BCCH Frequency.
  • increase timer T3101.
  • Control overshoot by checking TA then down-tilt.
  • Source https://telecom-hyb.blogspot.com/

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