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Friday, 16 August 2019

2G GSM RF Optimization Tips

2G GSM RF Optimization tips to follow

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


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