【資料名稱】：Db9_dsc

【資料作者】：Db9_dsc

【資料日期】：08-01-01

【資料語言】：中文

【資料格式】：DOC

【資料目錄和簡介】：

Contents:
1DATABASE BR9.0 ....................................................................................................................................... 9
1.1BR9.0 OBJECT TREE OF FUNCTIONAL BSC DATABASE OBJECTS ................................................................. 9
1.2BSC DATABASE COMMANDS AND PARAMETERS................................................................................. 11
Setting the object entry point and time and date for the BSS:................................................................ 11
Setting the BSC control values for periodic measurement data file upload:.......................................... 11
Setting the timing values for BSSMAP control and BSC overload handling:......................................... 14
Setting the global parameters of the BSC:............................................................................................. 25
Creating new database parameters without info model change:...........................................................64
Setting the alarm priorities of the BSS functional objects:...................................................................... 65
Setting the remote Inventory data of the BSC Equipment:..................................................................... 68
Setting the alarm priorities of the BSCE objects:.................................................................................... 68
Setting the alarm priorities of the EBSCE objects:................................................................................. 70
Defining the eBSC configuration:............................................................................................................ 72
Creating the spare PCM interface boards:............................................................................................. 73
Creating the PCM interface boards:....................................................................................................... 73
Creating the common attributes for all PCUs belonging to the entire BSC:........................................... 74
Creating the PCU objects:...................................................................................................................... 81
Creating the Network Service Entity (NSE):........................................................................................... 82
Creating an SGSN Pool:......................................................................................................................... 90
Creating the local NSE Virtual Link IP of an NS connection: ................................................................. 91
Creating the remote NSE Virtual Link IP:............................................................................................... 91
Creating the PCM links for the Abis interface:........................................................................................ 92
Creating the PCMS link:.......................................................................................................................... 96
Creating the TRAU:................................................................................................................................. 98
Basic TRAU-mapping 1: NOT_COMPATIBLE_WITH_CROSSCONNECT (no pools created)......................99
Basic TRAU-mapping 2: COMPATIBLE_WITH_CROSSCONNECT (no pools created) ...............................99
Creating the LPDLS links:.....................................................................................................................103
Creating the PCMA link:........................................................................................................................104
Setting the uplink and downlink volumes for specific PCMA timeslots:................................................110
Creating the PCMG link:.......................................................................................................................111
Creating the physical link connection on the GPRS Gb interface(Frame Relay Link):......................113
Creating the end-to-end communication between BSS and SGSN: Network Service Virtual Connection
(NSVC):.................................................................................................................................................114

Creating the BTS Site Manager:...........................................................................................................115
Creating the Common BTS data of a BTSM for Dynamic MAIO Allocation (DMA):.............................132
Creating the hopping laws used for Dynamic MAIO Allocation:...........................................................137
Creating the LPDLM links:....................................................................................................................138
Creating the terrestrial Abis timeslots for flexible Abis allocation:........................................................140
Creating a cell with definition of global parameters:.............................................................................145
Setting the cell specific parameters for DMA Admission Control.........................................................211
Setting the cell attributes for the Interference Measurement of idle TCHs:..........................................223
Setting the cell specific timer values:....................................................................................................225
Setting the cell specific optional features:.............................................................................................235
Defining the cell specific service layer lists for the feature 'Service dependent Channel Allocation'
(SDCA) via 'Multi Service Layer Support' (MSLS):...............................................................................250
Setting the cell specific attributes for Power Control:...........................................................................261
Power Control Parameter Relations..................................................................................................................274
Creating the GPRS point to point packet transfer service in a cell:......................................................275
Creating the cell-specific Frequency Hopping systems for static MAIO Allocation (SMA):..................310
Creating the TRXs:...............................................................................................................................312
Enabling GPRS and EDGE in a cell:....................................................................................................317
Creating the BCCH for the cell: ............................................................................................................319
Creating the SDCCHs for the cell:........................................................................................................320
Creating the TCHs for the cell: .............................................................................................................322
Creating hybrid TCHs/SDCCHs (TCH/SD) for the cell:........................................................................325
Setting the cell specific parameters and threshold values for CS Handover:......................................330
Handover Parameter Relations.........................................................................................................................380
Setting the cell specific parameters and threshold values for 14,4kbit/s data call up- and downgrading
and quality inter-cell handover:.............................................................................................................382


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Enabling features related to ASCI, SMS-CB, Frequency Hopping, HSCSD, Call Release due to
Excessive Distance and Dynamic MAIO Allocation (DMA):.................................................................384

Creating the Target Cell Objects:.........................................................................................................389
Creating the Target Point-to-point Packet Flow Objects:.....................................................................392
Creating the Adjacent Cell Objects:......................................................................................................394
Creating the Target Cell Objects for handover from GSM to UMTS (FDD):........................................410
Creating the Adjacent Cell Objects for external UMTS FDD or UMTS TDD cells:...............................412
Creating the CCS7 level 3 address and basic SCCP parameters of the BSC.....................................418
Creating the remote CCS7 transport point :.........................................................................................421
Creating the remote CCS7 Destination Points (DPCs of MSCs, SMLC etc.): .....................................421
Creating the CCS7 link set: ..................................................................................................................427
Creating the CCS7 link:........................................................................................................................433
Creating the PCMH link:.......................................................................................................................434
Creating a Nailed-Up Connection through the BSC/TRAU:.................................................................436
Creating an X25 connection via dedicated link:....................................................................................437
Creating an X25 connection via A-interface:........................................................................................439
Creating an IP Link connection:............................................................................................................441
Creating the O&M link for the RC connection:......................................................................................442
Creating the link for the external connection to the SMS-CB system:..................................................442
Creating the SDH link for connectivity purposes:.................................................................................443
Defining the optical interface (INTF) configuration parameters:...........................................................444
Creating the ATM Virtual Path (ATMVP):.............................................................................................445
Configuration of Bidirectional Continuity Monitors for ATM Virtual Path (BCMATMVP):.....................447
Creating the ATM Virtual Channel (ATMVC):.......................................................................................448
Configuration of Bidirectional Continuity Monitors for ATM Virtual Channels (BCMATMVC):.............449
Defining the BSC reference synchronization clock origin:....................................................................450
Defining an external synchronization signal:........................................................................................450
Creating the Quality of Service Alarm Objects:....................................................................................451
Creating the Quality of Service Alarm threshold sets:..........................................................................452
Creating the Quality of Service Alarm Objects for the BSC object:......................................................454
Creating the Quality of Service Alarm Objects for BTS objects: ..........................................................455
Creating the Quality of Service Alarm Objects for PTPPKF objects:...................................................459
Activating IMSI tracing in the BSC:.......................................................................................................461
Creating a Cell Traffic Recording (CTR) job:........................................................................................462
Enabling the data recording for the feature 'History on Dropped Calls': ..............................................464
Defining the BSC environmental alarms:..............................................................................................469
Configuring the feature Online RF Loopback:......................................................................................470
Creating Smart Carrier Allocation:........................................................................................................474
2 APPENDIX.................................................................................................................................................476
2.1HANDOVER THRESHOLDS & ALGORITHMS ..............................................................................................476
2.1.1Functional Diagram Handover Thresholds for Inter-cell Handover and Intra-cell Handover (level,

quality and power budget) ....................................................................................................................476
2.1.2Rules: Handover Thresholds for Inter-cell Handover and Intra-cell Handover (level, quality and
power budget), Power Control disabled ...............................................................................................477
2.1.2.1 Inter-cell/Inter-system Handover due to level........................................................................................477
2.1.2.1.1 Handover Decision / Handover Trigger Conditions .......................................................................477
2.1.2.1.2Target Cell List Generation ..........................................................................................................478
2.1.2.1.3 Target Cell Ranking (HCS disabled) .............................................................................................479
2.1.2.1.4 Target Cell Ranking with HCS.......................................................................................................482
2.1.2.1.4.1Ranking of 3G target cells within 3G sublist..............................................................................482
2.1.2.1.4.2Ranking of 2G target cells within 2G sublist - Ranking Method 0..............................................483
2.1.2.1.4.3Ranking of 2G target cells within 2G sublist - Ranking Method 1..............................................484
2.1.2.1.4.Resulting ranking of 2G and 3G target cells and sublists............................................................485
2.1.2.2Intra-cell handover (quality)..................................................................................................................487
2.1.2.3Inter-cell/Inter-system Handover due to quality....................................................................................489
2.1.2.3.1Handover Decision / Handover Trigger Conditions ......................................................................489
2.1.2.3.2Target Cell List Generation ..........................................................................................................490
2.1.2.3.3Target Cell Ranking (HCS disabled) ............................................................................................491
2.1.2.3.4Target Cell Ranking with HCS......................................................................................................491
2.1.2.4Inter-cell/Inter-system Handover due to distance.................................................................................492
2.1.2.4.1Handover Decision / Handover Trigger Conditions ......................................................................492
2.1.2.4.2Target Cell List Generation ..........................................................................................................492
2.1.2.4.3Target Cell Ranking (HCS disabled) ............................................................................................493

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2.1.2.4.4Target Cell Ranking with HCS......................................................................................................493
2.1.2.5Inter-cell/Inter-system Handover due to better cell (power budget handover)......................................494
2.1.2.5.1Handover Decision / Handover Trigger Conditions ......................................................................494
2.1.2.5.1.1Special Power Budget Calculation for calls in inner area of Concentric Cells............................495
2.1.2.5.2Target Cell List Generation (HCS disabled).................................................................................497
2.1.2.5.3Target Cell Ranking (HCS disabled) ............................................................................................498
2.1.2.5.3.1Speed sensitive handover enabled ...........................................................................................499
2.1.2.5.4Handover Initiation and Target Cell List Generation with HCS.....................................................500
2.1.2.5.5Target Cell Ranking with HCS......................................................................................................501
2.1.2.5.6Speed sensitive handover enabled...................................................................................................501
2.1.2.6Inter-system Handover due to sufficient coverage...............................................................................502
2.1.2.6.1Handover Decision / Handover Trigger Conditions & Target Cell List Generation .......................502
2.1.2.6.2Target Cell Ranking (HCS disabled) ............................................................................................503
2.1.2.6.3Speed sensitive handover enabled ..............................................................................................503
2.1.2.6.4Target Cell Ranking with HCS......................................................................................................504
2.1.2.6.5Speed sensitive handover enabled (with HCS)............................................................................504
2.1.2.7Forced Handover due to directed retry, preemption or O&M intervention............................................505
2.1.2.7.1Handover Decision / Handover Trigger Conditions ......................................................................505
2.1.2.7.2Target Cell List Generation ..........................................................................................................505
2.1.2.7.3Target Cell Ranking (HCS disabled) ............................................................................................506
2.1.2.7.4Target Cell Ranking with HCS......................................................................................................506
2.1.2.8Fast Uplink Handover (Intra-BSC only)................................................................................................507
2.1.2.8.1Handover Decision / Handover Trigger Conditions ......................................................................507
2.1.2.8.2Target Cell List Generation ..........................................................................................................507
2.1.2.8.3 Target Cell Ranking.......................................................................................................................508
2.1.2.9Inter-cell Handover due to BSS Resource Management Criteria (Traffic HO) .....................................509
2.1.2.9.1Handover Decision / Handover Trigger Conditions ......................................................................509
2.1.2.9.2Target Cell List Generation ..........................................................................................................513
2.1.2.9.3 Target Cell Ranking (HCS disabled) .............................................................................................513
2.1.2.9.4Target Cell Ranking with HCS......................................................................................................514
2.2REPORTING, DISPLAY AND BTS INTERNAL HANDLING OF RSCP VALUES FROM 3G NEIGHBOUR CELLS.......515
2.3SEQUENCE OF HANDOVER TYPES WITHIN THE HANDOVER DECISION ALGORITHM IN THE BTS...................517
2.4.1Functional Diagram: Power Control Thresholds - Power Increase / Power Decrease (Classic
Power Control)......................................................................................................................................518
2.4.2Rules: Power Control Thresholds: Power Increase / Power Decrease......................................519
2.4.2.1Power Increase....................................................................................................................................519
2.4.2.2Power Decrease...................................................................................................................................519
2.4.3Classic and Adaptive Power Control..........................................................................................521
2.4.3.1 Introduction...........................................................................................................................................521
2.4.3.2Classic Power Control decision process..............................................................................................521
2.4.3.3Adaptive Power Control decision process............................................................................................522
2.4.3.4Differences between CLASSIC and ADAPTIVE power control decision..............................................523
2.4.3.5Functional sequence of a BS and MS power control procedure...........................................................525
2.4.3.5.1BS power control procedure.........................................................................................................525
2.4.3.5.2MS power control procedure........................................................................................................526
2.4.3.6Comparison of timing behaviour of different Power Control types -MS Power Control, BS Power
Control, classic and adaptive............................................................................................................................527

2.4.3.7Further differences between CLASSIC and ADAPTIVE Power Control...............................................529
2.4.3.8Interaction of Power Control Measurement Preprocessing andPower Control Decision....................530
2.5INTERWORKING OF HANDOVER AND POWER CONTROL............................................................................531
2.5.1 Functional Diagram: Inter-cell Handover and Intra-cell Handover, Power Increase and Power

Decrease...............................................................................................................................................531
2.5.2Rules...........................................................................................................................................532
2.6SERVICE DEPENDENT HANDOVER AND POWER CONTROL .......................................................................533
2.6.1Introduction.................................................................................................................................533
2.6.2 SGxxHOPAR and SGxxPCPAR parameter values.....................................................................534
2.6.2.1 SGxxHOPAR parameter values (Handover).........................................................................................534
2.6.2.2 SGxxPCPAR parameter values (Power Control) ..................................................................................536
2.7MAPPING OF RXQUAL AND C/I VALUES.................................................................................................538
2.8AMR LINK ADAPTATION THRESHOLDS UPLINK........................................................................................539
2.9BSC, MSC AND BTS OVERLOAD HANDLING..........................................................................................543
2.9.1BSC Overload.............................................................................................................................543
2.9.1.1 BSC overload conditions.......................................................................................................................543
2.9.1.1.1 SS7 Link Congestion.....................................................................................................................543
2.9.1.1.2Internal Message Congestion.......................................................................................................543
2.9.1.1.3 PPXL Overload..............................................................................................................................543
2.9.1.1.4 BSC Paging Queue Overflow........................................................................................................544

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2.9.1.2System reactions and overload regulation measures in case of BSC overload ...................................551
2.9.1.2System reactions and overload regulation measures in case of BSC overload ...................................551
2.9.1.2.1Further important notes on BSC reactions...................................................................................552
2.9.1.3Mechanisms for reduction of originating traffic and reduction of terminating traffic..............................553
2.9.1.3.1Overload level management.........................................................................................................553
2.9.1.3.2Traffic reduction algorithms..........................................................................................................554
2.9.1.3.3Special overload supervision algorithm in case of BSC paging queue overflow...........................555
2.9.2MSC Overload............................................................................................................................556
2.9.2.1 System reactions and overload regulation measures in case of MSC overload....................................556
2.9.2.1.1 Special overload level escalation algorithm in case of MSC overload...........................................556
2.9.3BTS Overload .............................................................................................................................557
2.9.3.1 BTS overload conditions.......................................................................................................................557
2.9.3.1.1 PCH messages discarded in BTS.................................................................................................557
2.3.9.1.2 AGCH messages discarded in BTS..............................................................................................557
2.3.9.1.3 Abis LAPD signalling overload UL.................................................................................................562
2.3.9.1.4 RACH overload.............................................................................................................................562
2.9.3.2Traffic reduction mechanisms in case of BTS overload.......................................................................562
2.9.3.3System reactions and overload regulation measures in case of BTS overload....................................563
2.9.4Interaction of BTS Overload and BSC Overload........................................................................565
2.9.5Effects on Performance Measurement Counters.......................................................................565
3ALPHABETICAL COMMAND AND PARAMETER INDEX.....................................................................566