2G and 2.5 G optimization Nokia IndiaFull description
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Globe Telecom Optimization Trial Results
Customer Presentation
Index 1. 2. 3. 4. 5. 6.
HR Reduction by CTC SDCCH Drop Rate Improvement by T200S TCH/SDCCH Drop Rate improvement by DL Dtx SDCCH Blocking/Drop Rate improvement by RET/SLO SDCCH Blocking reduction by T3122 Interference HO Results
Customer Presentation
Half Rate Reduction Pre Full/Half rate ============== Full rate TCH time .........................../trf_56 Half rate TCH time .........................../trf_57 Full rate time congestion .................../cngt_3a Half rate time congestion .................../cngt_4a
Full/Half rate ============== Full rate TCH time .........................../trf_56 Half rate TCH time .........................../trf_57 Full rate time congestion .................../cngt_3a Half rate time congestion .................../cngt_4a
Conclusion 1. CTC = 2 shall be implemented across network. This gives 2. 3. 4. 5.
25-30% HR reduction without much impact on Data traffic DL DTx shall be implemented across network. The same gives 10-15% improvement in TCH drop and 7-10% improvement on SDCCH Drop Rate. T200S shall be increased to 780msec. The same gives 1520% improvement on SDCCH Drop Rate. RET/SLO shall be trialed at 3 more BSCs. The same shall give 10 to 15% better SDCCH Success Rate. T3122 shall be tried on BSC having high SDCCH Blocking.