Contents
1Introduction............................................................................................ 5
2Revision Information............................................................................. 5
3General BSS Impact .............................................................................. 8
3.1Capacity and Performance ...................................................................... 8
3.2Hardware ............................................................................................... 11
3.3Implementation ...................................................................................... 15
3.4Interface................................................................................................. 17
3.5Memory.................................................................................................. 17
3.6Dimensioning / System Limits ............................................................... 19
3.7Overload Performance .......................................................................... 19
3.8Operations ............................................................................................. 20
3.9Other Features ...................................................................................... 20
3.10Other Network Elements ....................................................................... 20
4Summary of Impacts ........................................................................... 22
4.1BSS Features ........................................................................................ 22
4.2OSS-RC Features ................................................................................. 24
5Impacting BSS Features ..................................................................... 25
5.1Abis Triggered HR Allocation ................................................................ 25
5.2Active Queue Management (AQM)........................................................ 27
5.3Adaptive Configuration of SDCCHs....................................................... 30
5.4Adaptive Multi Rate (AMR) .................................................................... 31
5.5Admission Control for Push to Talk ....................................................... 32
5.6AMR Power Control............................................................................... 35
5.7AMR Radio Link Timers......................................................................... 36
5.8Application Aware Timeslot Allocation................................................... 38
5.9BSC IP Connectivity .............................................................................. 40
5.10BSS R12 GPRS/EGPRS Improvements ............................................... 42
5.11BSS R12 System Improvements ........................................................... 45
5.12BSS R12 System Improvements, BTS .................................................. 47
5.13BSS R12 System Improvements, OSS-RC ........................................... 49
5.14Channel Repacking ............................................................................... 50
5.15Combined Cell re-selection triggering GSM to WCDMA ....................... 53
5.16Dual Transfer Mode............................................................................... 54
5.17Dynamic BTS Power Control ................................................................. 56
5.18Dynamic MS Power Control .................................................................. 57
5.19Dynamic Overlaid/underlaid Subcell...................................................... 58
5.20Enhanced Measurement Reporting (EMR)............................................ 59
5.21Five Downlink Timeslots........................................................................ 61
5.22Flexible Abis .......................................................................................... 64
5.23Flexible Channel Allocation ................................................................... 66
5.24Flexible Priority Handling of Packet Data Channels .............................. 69
5.25Full Rate AMR on 8 kbps Abis............................................................... 70
5.26Gb over IP ............................................................................................. 71
BSS R12 Network Impact Report
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Ericsson Internal
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5.27GPRS/EGPRS Load Optimisation......................................................... 75
5.28GPRS/EGPRS Mobile Logging ............................................................. 78
5.29GSM-UMTS Cell Reselection and Handover......................................... 79
5.30GSM-WCDMA Active BA List Recording............................................... 80
5.31Handover with Usage of Service Indicator ............................................ 82
5.32Immediate Assignment on TCH............................................................. 85
5.33Incremental Redundancy in Uplink........................................................ 86
5.34Interference Rejection Combining ......................................................... 88
5.35Inter System Consistency Reports ........................................................ 89
5.36Mixed Micro Configurations ................................................................... 90
5.37Multi Band Cell ...................................................................................... 91
5.38Multi-Layered HCS ................................................................................ 92
5.39Operation Maintenance Terminal .......................................................... 94
5.40PCU Load Control ................................................................................. 96
5.41Predefined Configuration Profiles.......................................................... 98
5.42Radio Network Optimisation (RNO)..................................................... 100
5.43RBS 2000 Synchronization.................................................................. 101
5.44Real-Time Event Data and Real-Time Performance Monitoring ......... 104
5.45Remote OMT ....................................................................................... 106
5.46Remote OMT over IP........................................................................... 108
5.47Self Configuring Transcoder Pools...................................................... 109
5.48SGSN in Pool Support in BSC............................................................. 110
5.49Single Phase Access for EGPRS ........................................................ 114
5.50Smooth GSM to WCDMA Unloading................................................... 116
5.51Speech Quality Supervision ................................................................ 117
5.52Support for 1024 Cells in BSC............................................................. 120
5.53Support for 8000 EGPRS Time Slots .................................................. 121
5.54Support of AXE 810 – APT 1.5............................................................ 122
5.55Tandem Free Operation ...................................................................... 123
5.56Tight BCCH Frequency Reuse ............................................................ 128
5.57Traffic Level Measurement Data.......................................................... 129
5.58Voice Group Call Services................................................................... 130
6Parameters Changes......................................................................... 134
7STS Counter Changes....................................................................... 134
7.1Modified Counters ............................................................................... 134
7.2New Counters in Existing Object Types .............................................. 137
7.3New Object Types ............................................................................... 144
7.4Removed Counters.............................................................................. 154
7.5