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HUAWEI - statistics data analysis and optimization V 4.0.ppt

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Statistics Data Analysis and Optimization V4.0 for HUAWEI GSM/GPRS/EDGE System Compiled by Jin/Jiangxin E-mail: jinjiangxin@hxdi.com 2008/5/8 Chapter 1 GSM system 1. Work items in an optimization project 2. Review of the GSM system 3. Based technology in GSM system 4. Drive test and analysis 5. Parameters in common use 6. OMCR statistics data and the formula in common use 7. Main methods in the performance analysis procedure 8. Selection and reselection 9.
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  Statistics Data Analysis and Optimization V4.0 for HUAWEI GSM/GPRS/EDGE  System Compiled by Jin/Jiangxin E-mail: jinjiangxin@hxdi.com 2008/5/8     Chapter 1 GSM system 1.Work items in an optimization project 2.Review of the GSM system 3.Based technology in GSM system 4.Drive test and analysis 5.Parameters in common use 6.OMCR statistics data and the formula in common use 7.Main methods in the performance analysis procedure 8.Selection and reselection 9.SDCCH congestion 10.TCH congestion and drops 11.Call progress introduction in common use 12.Power control algorithm 13.Handover algorithm 14.Cases according to statistics data course contents   Chapter 1 GSM system 1.Work items in an optimization project 2.Review of the GSM system 3.Based technology in GSM system 4.Drive test and analysis 5.Parameters in common use 6.OMCR statistics data and the formula in common use 7.Main methods in the performance analysis procedure 8.Selection and reselection 9.SDCCH congestion 10.TCH congestion and drops 11.Call progress introduction in common use 12.Power control algorithm 13.Handover algorithm 14.Cases according to statistics data  Work items in optimization Find the problems  Statistics data  DT and CQT   Alarm check  Custom complain Analysis the problems  Statistics analysis  DT and analysis   Alarm analysis  Call process analysis  Frequency plan and reuse Solve the problems  Trouble shooting  Improve coverage   Adjust TRX configuration   Adjust antenna system  Edit freq.plan table  Neighbor relations  Parameters Checking and compare results  Before and after modify  Different BSC/Cells  Different network Problems in network  Hardware trouble problem  Freq. interfering problem  Coverage problem  HO relations problem  “busy or idle” problem    Traffic balance  Underlay and overlay problem  KPI  Wireless parameter problem  Especial problems (access,roaming,crossed talk,A- interface ….)   Steps for problem  Find the problems   Analysis the problems  Resolve the problems  Checking and compare results are throughout the optimization process.
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