Jamal Rehoming Process Overview 071108
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Transcript of Jamal Rehoming Process Overview 071108
![Page 1: Jamal Rehoming Process Overview 071108](https://reader034.fdocuments.in/reader034/viewer/2022051210/54f51c144a795902418b49d2/html5/thumbnails/1.jpg)
Rehoming Process Overview
by
Jamal Arshad (LCC)July 11th, 2008
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Rehoming Scenarios
• Rehoming to a different parent MSC• Rehoming to a different parent MGW• Rehoming to a different parent BSC
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Rehoming Scenarios
• BSC Rehoming – Parent MSC changes
MSC(1) MSC(2)
BSC(1)
BTS(2)BTS(1) BTS(3) BTS(4) BTS(5) BTS(6) BTS(7)
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Rehoming Scenarios
• BSC Rehoming – Parent MSC changes
MSC(1) MSC(2)
BSC(1)
BTS(2)BTS(1) BTS(3) BTS(4) BTS(5) BTS(6) BTS(7)
![Page 5: Jamal Rehoming Process Overview 071108](https://reader034.fdocuments.in/reader034/viewer/2022051210/54f51c144a795902418b49d2/html5/thumbnails/5.jpg)
Rehoming Scenarios
• BSC Rehoming – Parent MGW changes
MGW(1) MGW(2)
BSC(1)
BTS(2)BTS(1) BTS(3) BTS(4) BTS(5) BTS(6) BTS(7)
MSS(1)
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Rehoming Scenarios
• BSC Rehoming – Parent MGW changes
MGW(1) MGW(2)
BSC(1)
BTS(2)BTS(1) BTS(3) BTS(4) BTS(5) BTS(6) BTS(7)
MSS(1)
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Rehoming Scenario
• Site Rehoming – Parent BSC changes
MSC(1)
BSC(2)
BTS(2)BTS(1) BTS(3) BTS(4) BTS(5) BTS(6) BTS(7)
BSC(1)
BTS(3) BTS(4) BTS(5)
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Rehoming Scenario
• Site Rehoming – Parent BSC changes
MSC(1)
BSC(2)
BTS(2)BTS(1) BTS(3) BTS(4) BTS(5) BTS(6) BTS(7)
BSC(1)
BTS(3) BTS(4) BTS(5)
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Why spend on Rehoming?
• Switch capacity• BSC capacity• Upgraded technology• Border optimization• Performance degradation
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Switch Capacity Overloaded•BSC rehomed from MSS42\\MGW04 to MSS54\\MGW06
•Avoid chocking in switch
•A requirement from NSS
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BSC Capacity Overloaded• 49 sites rehomed from IAB003_BSC1 and
IAB003_BSC3 to IAB004_BSC2 (S12)
BSC3i-600•600TRXs
•4500Erlangs
•124E1s upgradable to 252
BSC3i-2000•2000TRXs
•12000Erlangs
•378E1s
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Upgraded Technology•Shorter setup time
•Shorter routing path
•Speech perception
•Pool structure possible
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Upgraded Technology
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Border Optimization
•BSC CP Load
•MSC CP Load
•Extra Location Updates
•Inter BSC HO delay
•KPIs’ degradation
•Bad design
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Border Optimization
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Border Optimization
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Performance Degradation•Mismatch of BSC and MSC definitions•Sudden degradation of statistics
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Performance Monitoring
• Drive Testing• Statistical monitoring
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Drive Tester’s Check List• Inter BSC HO (both directions on all borders) • Inter MSC HO (both directions on all borders)• Intra cell HO (900 to 1800 and 1800 to 900) • Call drops• Call setup time• Inter cell HO • Location updates (both directions on all borders) • Speech codecs (AMR, Non AMR)• GPRS/EDGE• Calls from HOME PLMN to other PLMNs and vice versa• Emergency calls – Route verification• Subscriber distribution in VLRs (if pool activated)
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Statistical Performance Monitoring
• Routine checks of all KPIs
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Phase 5 Plan•IPW104_BSC2 •IJL005_BSC3 •IPW023_BSC2 •IPW104_BSC1 •LGT100_BSC2 •IPW023_BSC1 •IAB004_BSC2 •IAB004_BSC1, IAB003_BSC3, IIB103_BSC2 •IAB003_BSC1 •IPW751_BSC3 (28/38) •IIB213_BSC1•IRP310_BSC2 •IRP606_BSC1 •IPW751_BSC2
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Thank you