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View Full Version : Download ******** CDMA2000 1X RF Optimization Procedures and Guidline



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2012-02-27, 12:22 PM
TOC

Objective ............................................................................................... 9 Scope ...................................................................................................... 9
1 CDMA2000 1X Optimization Standard Procedure ....................... 9
1.1 Goals setting ............................................................................ 10
1.2 Database and RF Design checking ......................................... 11
1.2.1 Network database setting ...................................................................................... 11
1.2.1.1 System parameter setting ................................................................... 11
1.2.1.1.1 1X MCC configuration ....................................................... 11
1.2.1.1.2 Resource group setting ....................................................... 18
1.2.1.1.3 Walsh code setting .................................................. .............. 22
1.2.1.1.4 Supplemental Channel Scheduling Parameters ........ 23
1.2.1.1.5 Power/Gain Setting .............................................................. 24
1.2.1.1.6 Supplemental Channel Multiplex Options .................. 25
1.2.1.1.7 Supplemental Channel Resource Setting ..................... 26
1.2.3 End user setting ...................................................................................................... 28
1.2.3.1 TCP window size ................................................................................. 28
1.2.3.2 Serial rate setting between PC and mobile ....................................... 29
1.2.3.3 TCP header compression (Van Jacobson Compression) ................ 29
1.2.3 RF Design Review .................................................................................................. 31
1.3 Function Test ........................................................................... 36
1.3.1 Static Test ............................................................................................................... 36
1.3.1.1 Origination/Termination 1X voice call on 2 carriers BTS and
overlay BTS ..................................................................................................... 36
1.3.2 1X Call Softer And Soft Handoff Test ................................................................. 37
1.3.2.1 1X call softer handoff within 2 carriers BTS/overlay BTS ............. 37
1.3.2.2 1X call soft handoff between 2 carriers BTSes/overlay BTSes ....... 39
1.3.3 1X Call Hard Handoff ........................................................................................... 40
1.3.3.1 1X call beacon handoff ....................................................................... 40
1.3.3.1.1 On traffic handoff test ........................................................ 40
1.3.3.1.2 Idle handoff test .................................................................... 41
1.3.3.2 Inter RC hard handoff........................................................................ 42
1.3.4 Intra PDSN and Inter/Anchor PCF Handoff ...................................................... 44
1.3.4.1 Intra PDSN and inter PCF handoff test with different PCF
CLUSTERID ................................................................................................... 44
1.3.4.2 Intra PDSN and inter PCF handoff test with different PKTZONE
........................................................................................................................... 45
1.3.4.3 Intra PDSN and anchor PCF handoff test ........................................ 47
1.4 RF network optimization and Data call troubleshooting .......... 48
1.4.1 Initial RF Coverage Test ....................................................................................... 48
1.4.1.1 Initial Coverage Test Procedures ...................................................... 49
1.4.1.1.1 Generate Drive ( Metric) Routes..................................... 49
1.4.1.1.2 Tools preparation ................................................................. 49
1.4.1.1.3 Collect Performance and System Stability Data ....... 49
1.4.1.1.4 Evaluate System Stablity Data ........................................ 50
1.4.1.1.5 Process and Plot Performace Data, Calculate Call
Statistics ..................................................................................................... 50
1.4.1.1.6 Data Analysis, Update Problem Resolution Matrix . 50
1.4.1.2 Exit Criteria ......................................................................................... 51
1.4.2 RF Network Optimization ..................................................................................... 52
1.4.2.1 Overall RF performance Optimization Flow ................................... 52
1.4.2.2 RF performance problems characterizing and resolving ................ 53
1.4.2.2.1 Neighbour List and Cell Radius Check ........................ 53
1.4.2.2.2 RF Coverage Problems .................................................. ..... 55
1.4.2.2.3 Pilot Pollution ........................................................................ 58
1.4.2.2.4 Infrastructure Issues ........................................................... 61
1.4.2.2.5 Subscriber Unit Issues ........................................................ 66
1.4.2.2.6 Data Collection/Processing Troubleshooting ............. 66
1.4.2.3 Exit Criteria ......................................................................................... 68
1.4.3 Data Call Failures Troubleshooting ..................................................................... 68
1.4.3.1 CFC based approach .......................................................................... 68
1.4.3.2 User experience approach .................................................................. 71
1.4.4 Data throughput Troubleshooting ....................................................................... 74
1.4.5 Final Coverage survey and Warranty Verification ............................................ 75
1.5 Pilot beacon optimization ............................................................ 75
2 CDMA2000 1X Optimization Parameter ......................................... 76
2.1 IX Supplemental Management Parameter ................................ 76
2.1.1 TSM (Time slice Manager) Parameter ................................................................ 76
2.1.1.1 Forward Time Slice Manager Parameter ......................................... 76
2.1.1.2 Reverse Time Slice Manager Parameter .......................................... 78
2.1.1.3 CLI Command to TSM Parameter ................................................... 79
2.1.2 RAS (Reduced active set) Parameter ................................................................... 80
2.1.2.1 RAS Parameter ................................................................................... 80
2.1.2.2 CLI command to the RAS Parameter ............................................... 81
2.1.3 RF Load Management Parameter ........................................................................ 82
2.1.3.1 Tuneable RF Load Management Parameter .................................... 82
2.1.3.2 CLI to RFLM Parameter ................................................................... 83
2.1.4 CM (Cache Manager) Parameter ......................................................................... 83
2.2 Power control ............................................................................... 83
2.2.1 Reverse power control ........................................................................................... 84
2.2.1.1 2G Reverse Distributed Power Control ............................................ 84
2.2.1.2 4472B 2G Reverse Centralized Power Control Changes ................ 86
2.2.1.3 4472B 3G Reverse Centralized Power Control Changes ................ 86
2.2.2Forward Power Control ......................................................................................... 90
2.2.2.1 4472B 2G Forward Distributed Power Control ............................... 90
2.2.2.2 4472B 2G Forward Centralized Power Control Changes ............... 93
2.2.2.3 4472B 3G Forward Centralized Power Control Changes ............... 94
3 System performance Statistics and Evaluation ............................... 100
3.1 PMC Data analysis and application .......................................... 100
3.1.1 1X system performance metrics on PMC records ............................................ 101
3.1.1.1 1X Channel Element Usage .............................................................. 101
3.1.1.1.1 1X Channels Equipped ..................................................... 101
3.1.1.1.2 Total 1X Channel Usage .................................................. 101
3.1.1.1.3 1X Voice Usage .................................................................... 102
3.1.1.1.4 1X Packet Data .................................................................... 102
3.1.1.1.5 1X ICBSC Usage .................................................. ............... 102
3.1.1.1.6 Usage by Service Option .................................................. 102
3.1.1.2 1X Access Failures ............................................................................ 103
3.1.1.2.1 1X Voice Access Failure Rate ........................................ 103
3.1.1.2.2 PCF/PSI Access Failure Rate ......................................... 103
3.1.1.2.3 PDSN Access Failure Rate .............................................. 103
3.1.1.2.4 Total Packet Data Call Access Failure Rate ............. 104
3.1.1.3 1X Dropped Calls .............................................................................. 104
3.1.1.4 1X Blocking........................................................................................ 104
3.1.1.4.1 1X Voice Blocking Rate .................................................. .. 104
3.1.1.4.2 1X Packet Data Blocking Rate ....................................... 104
3.1.1.4.3 Total 1X Blocking Rate .................................................... 104
3.1.1.5 1X Data Sessions ............................................................................... 104
3.1.1.5.1 1X Data Session Activation and Reactivation
Successes .................................................. ................................................ 105
3.1.1.5.2 1X Data Session Activation and Reactivation
Failures .................................................................................................... 105
3.1.1.5.3 1X Data Session Setup Failure Rate ............................ 105
3.1.1.5.4 Data Session Blocking Rate ............................................ 105
3.1.1.5.5 Average Data Rate per Session ...................................... 105
3.1.1.5.6 Average Data Session Duration ..................................... 105
3.1.1.6 Call Setup Time ................................................................................. 106
3.1.1.6.1 1X Data Call Setup Time with Sync ID ...................... 106
3.1.1.6.2 1X Data Call Setup Time without Sync ID ............... 106
3.1.1.6.3 IS95B Data Call Setup Time........................................... 106
3.1.1.7 PSI Channel Element Statistics ....................................................... 106
3.1.1.7.1 PSI-CEs Equipped ............................................................. 106
3.1.1.7.2 PSI-CE Usage Time ........................................................... 106
3.1.1.7.3 All PSI-CEs Non-Idle ........................................................ 106
3.1.1.7.4 PSI-CE Assignment Failure Rate ................................. 106
3.1.1.7.5 PSI-CE Packet Drop Rate ............................................... 106
3.1.1.8 Supplemental Channel Statistics ..................................................... 107
3.1.1.8.1 SCH Allocation Success Rate at Data Rate Requested
..................................................................................................................... 107
3.1.1.8.2 SCH Allocation Success Rate at Data Rate Lower
than Requested...................................................................................... 107
3.1.1.8.3 SCH Allocation Fail Rate ................................................ 107
3.1.1.8.4 Forward SCH Usage .................................................. ........ 108
3.1.1.8.5 Reverse SCH Usage ........................................................... 108
3.1.1.9. Packet Pipe Statistics ....................................................................... 108
3.1.1.9.1 SCH Group Channel Elements Equipped ................. 108
3.1.1.9.2 Packet Pipe Blocking Rate .............................................. 109
3.1.1.9.3 Maximum Scheduled Throughput ............................... 109
3.1.1.9.4 Average Scheduled Throughput ................................... 109
3.1.2 SCH performance statistics Tools – PMDAT .................................................... 109
3.2 CDL/CFC analysis and application ........................................... 112
3.2.1 Packet Data CDL Fields and New CFCs for 1X Data Call .............................. 113
3.2.1.1 CDL fields for Packet Data in R16.0 ............................................... 113
3.2.1.2 New CFCs for 1X data Call in R16.0 .............................................. 118
3.2.2 1X System Perfomance metrics on CDL records .............................................. 121
3.2.2.1 1X Voice Access Failure Rate .......................................................... 121
3.2.2.2 1X Dropped Calls .............................................................................. 121
3.2.2.2.1 1X Voice Drop Call Rate.................................................. 122
3.2.2.2.2 1X Data Drop Call Rate ................................................... 122
3.2.2.3 1X Blocking........................................................................................ 122
3.2.2.3.1 1X Voice Blocking Rate .................................................. .. 122
3.2.2.3.2 1X Packet Data Blocking Rate ....................................... 122
3.2.2.4 Actual Throughput ........................................................................... 123
3.2.2.4.1 Instantaneous Throughput ............................................. 123
3.2.2.4.2 Average Session Throughput ......................................... 123
3.2.2.5 1X Packet Data Call Model .............................................................. 123
3.2.2.5.1 1X Data Usage Time .......................................................... 124
3.2.2.5.2 Dormant Time ..................................................................... 124
3.2.2.5.3 Number of 1X Data Calls ................................................ 125
3.2.2.5.4 Average Active and Dormant Periods ........................ 125
3.2.2.5.5 Activity and Dormancy per Session ............................. 125
3.2.2.5.6 SCH Usage per Session .................................................. ... 125
3.2.2.5.7 Average Session Length ................................................... 125
3.2.2.5.8 1X Data Users ...................................................................... 125
3.2.3 Call Statistics Application in XCAT16.0 ........................................................... 126
4 Test equipment /tools and its’s configuration ................................. 127
4.1 Drive Test equipments Requirements ....................................... 127
4.2. Setup Procedure Overview ....................................................... 127
4.3 CAIT- CDMA Air Interface Tester ........................................... 127
4.4. DM Junior -Mobile End Optimization Tools ........................... 128
4.5 ACTIX ........................................................................................ 128
4.6 Hardware Configuration for Data Call Setup .......................... 128
4.6.1 CAIT alone Configuration .................................................................................. 130
4.6.2 DM Junior and CAIT Configuration ................................................................. 131
4.7 Software configuration for Data Call setup .............................. 133
4.7.1 Data call test with CAIT only configuration ..................................................... 133
4.7.2 Data call test with DM Junior and CAIT Configuration ................................. 137
Appendix A: Function Test Recording Sheet ..................................... 141
Appendix B: Useful link for Optimization ......................................... 141