Slide 1

Fast Return to WCDMA (FASTRET3G)

Security Level: HUAWEI TECHNOLOGIES CO., LTD.www.huawei.comSlide title :40-47pt Slide subtitle :26-30ptColor::white Corporate Font :FrutigerNext LT MediumFont to be used by customers and partners : ArialPage 2Fast Return to WCDMA after Call Release FAJ 123 149HISILICON SEMICONDUCTORHUAWEI TECHNOLOGIES CO., LTD.Page #:32-35pt : R153 G0 B0 :FrutigerNext LT Medium : Arial

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:18-20pt(2-5):18pt :: .Page 3Present status

Feature not activeHISILICON SEMICONDUCTORHUAWEI TECHNOLOGIES CO., LTD.Page #:32-35pt : R153 G0 B0 :FrutigerNext LT Medium : Arial

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:18-20pt(2-5):18pt :: .Page 4ObjectiveReduce SDCCH load in 2G by allowing Ue to select WCDMA after call disconnect on 2G

Reduce page outage time for subscriber

Improve SDCCH drop KPI for the clusterNetwork Impact

NoneHISILICON SEMICONDUCTORHUAWEI TECHNOLOGIES CO., LTD.Page #:32-35pt : R153 G0 B0 :FrutigerNext LT Medium : Arial

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:18-20pt(2-5):18pt :: .Page 5Check from command RLRWP whether the feature is available in the BSC

Check 2G-3G cell reselection and handover is activated

2G-3G handover relations are defined for all cells

Collection of location update data on 2G and 3G

Collection of other radio statistics

Activation of counter DISRET3G to check 2G -3G reselection attempts after feature activationPre-ChecksHISILICON SEMICONDUCTORHUAWEI TECHNOLOGIES CO., LTD.Page #:32-35pt : R153 G0 B0 :FrutigerNext LT Medium : Arial

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The feature can be activated cell wise

Cluster 3 chosen as the number of 3G sites in the cluster are highest and the 2G SDCCH drop is in worse 2 clusters

Present SDCCH drop for Cluster 3 is 0.84

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:18-20pt(2-5):18pt :: .Page 7Thank YouHISILICON SEMICONDUCTORHUAWEI TECHNOLOGIES CO., LTD.Page #:32-35pt : R153 G0 B0 :FrutigerNext LT Medium : Arial

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