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CSFB SR Degradation & CSFB ST Delay

Technology: LTE

Vendor: Huawei

Category: Troubleshooting


For improving IRAT handover success rate, LTE to WCDMA ANR feature was activated. Until the feature activation, handover relation was created manually to the legacy network. And it was causing time wasting and too many missing Inter-RAT neighbors.

The feature was activated successfully and following performance changes happened:

 Inter-RAT HOSR improved: from 66% to 98%

 CS Fallback Setup Success Rate degraded: from 99% to 60%

 CS Fallback Setup Time increased: from 7s to 8s

You will get a PDF (1MB) file

$ 3.00

$ 3.00

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