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GSM-R Network Service Product Presentation

Challenges for GSM-R on high-speed railway



High-speed



  • Doppler shift
  • Frequent handover
  • Large overlapping area coverage


Poor KPI


  • Low CSSR , High CDR
  • Call delay increases
  • Low handover success rate
  • Bit error rate increases


Poor System Security


  • Frequent call drop, impacts business development
  • Poor train dispatch voice quality, affects traffic scheduling
  • Poor train control data quality , affects traffic security


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