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Cell Reselection Parameters Optimization for WCDMA Voice Block Call.ppt

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Cell Reselection Parameters Optimization for WCDMA Voice Block Call Solution for UMTS Voice Block Call Caused by Cell reselection delay Voice Block Call Issue phenomena description WRAN version:P7.0 MS1 Origination Call MS2 Terminal Call Traffic time:90s Idle Time:15s Test Car Speed:40KM  Issue Description (based on MS1): The signal is ok before the “RRC Connection Request”, not only Ec/No but also RSCP. But the current used signal will worsen suddenly, block calls occur thou
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  Cell Reselection Parameters Optimization for WCDMA Voice Block Call Solution for UMTS Voice Block Call Caused by Cell reselection delay  Voice Block Call Issue phenomena description WRAN version:P7.0 MS1 Origination Call MS2 Terminal Call Traffic time:90s Idle Time:15s Test Car Speed:40KM  Issue Description (based on MS1): The signal is ok before the “ RRC Connection Request ”, not only Ec/No but also RSCP. But the current used signal will worsen suddenly, block calls occur though there are some good neighbors in monitor set of the current cell. The terminated signaling message is not fixed, block calls message points are from  “Authentication Request” to “Call Established” based on previous TI log.  The following are some scenarios:  Scenario 1:  Scenario 2:
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