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2016-04-18, 10:20 AM
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LTE Radio Network Planning
Guidelines
DN0966454
Issue 06
Approval Date 2014-11-30
1 Scope........................................................................................... 10
2 LTE overview................................................................................ 11
2.1 Expectations and markets............................................................ 11
2.2 Architecture.................................................................................. 12
2.2.1 Network elements........................................................................ 13
2.2.2 Interfaces..................................................................................... 14
2.3 Air-interface..................................................................................14
2.3.1 OFDMA........................................................................................ 15
2.3.1.1 Subcarrier types........................................................................... 17
2.3.1.2 OFDMA symbol............................................................................18
2.3.1.3 LTE physical layer structure......................................................... 19
2.3.1.4 Physical resource block and resource element............................19
2.3.1.5 Downlink resource allocation....................................................... 20
2.3.1.6 OFDMA parameters..................................................................... 21
2.3.1.7 Downlink reference signals.......................................................... 22
2.3.1.8 SC-FDMA.....................................................................................23
2.3.1.9 SC-FDMA symbol........................................................................ 24
2.3.1.10 Uplink reference signals...............................................................25
2.3.1.11 Uplink physical resource block.....................................................26
2.3.1.12 Uplink resource allocation............................................................ 26
3 Nokia LTE solution....................................................................... 28
3.1 Flexi eNodeB................................................................................28
3.2 eNodeB configurations.................................................................29
4 Planning process..........................................................................35
4.1 Scenarios and use cases............................................................. 36
4.1.1 Greenfield.....................................................................................37
4.1.2 Existing operator.......................................................................... 37
4.2 Propagation modelling................................................................. 39
4.3 Simulation-based planning...........................................................43
4.4 Tools.............................................................................................52
4.5 Common practice......................................................................... 53
4.6 Link budget and planning thresholds........................................... 53
4.6.1 RSSI versus RSRP and RSRQ measurements........................... 54
4.6.2 LTE power budget........................................................................ 55
4.6.3 Planning thresholds......................................................................65
4.7 Link budget comparison............................................................... 66
5 Performance expectations........................................................... 68
5.1 Cell level performance................................................................. 68
5.2 Latency.........................................................................................69
5.3 Mobility and cell ranges................................................................69
5.4 LTE UE categories....................................................................... 71
6 Detailed planning......................................................................... 73
6.1 Frequency bands and spectrum re-farming................................. 73
6.2 Site selection................................................................................74
6.3 Site design................................................................................... 78
6.4 Physical layer cell identity planning..............................................81
6.5 eNodeB and cell identity planning................................................83
6.6 RF carrier allocation..................................................................... 84
6.7 Neighbour planning...................................................................... 86
6.7.1 LTE............................................................................................... 86
6.7.2 UMTS........................................................................................... 88
6.8 Tracking area planning.................................................................88
6.9 MME area planning...................................................................... 89
6.10 PRACH planning.......................................................................... 90
6.11 Co-Siting...................................................................................... 92
6.11.1 LTE and GSM...............................................................................92
6.11.2 LTE and UMTS.............................................................................93
6.11.3 Achieving sufficient isolation........................................................ 93
6.12 Indoor solutions............................................................................95
7 Comparison between UMTS and LTE..........................................98
8 References.................................................................................100
LTE Radio Network Planning
Guidelines
DN0966454
Issue 06
Approval Date 2014-11-30
1 Scope........................................................................................... 10
2 LTE overview................................................................................ 11
2.1 Expectations and markets............................................................ 11
2.2 Architecture.................................................................................. 12
2.2.1 Network elements........................................................................ 13
2.2.2 Interfaces..................................................................................... 14
2.3 Air-interface..................................................................................14
2.3.1 OFDMA........................................................................................ 15
2.3.1.1 Subcarrier types........................................................................... 17
2.3.1.2 OFDMA symbol............................................................................18
2.3.1.3 LTE physical layer structure......................................................... 19
2.3.1.4 Physical resource block and resource element............................19
2.3.1.5 Downlink resource allocation....................................................... 20
2.3.1.6 OFDMA parameters..................................................................... 21
2.3.1.7 Downlink reference signals.......................................................... 22
2.3.1.8 SC-FDMA.....................................................................................23
2.3.1.9 SC-FDMA symbol........................................................................ 24
2.3.1.10 Uplink reference signals...............................................................25
2.3.1.11 Uplink physical resource block.....................................................26
2.3.1.12 Uplink resource allocation............................................................ 26
3 Nokia LTE solution....................................................................... 28
3.1 Flexi eNodeB................................................................................28
3.2 eNodeB configurations.................................................................29
4 Planning process..........................................................................35
4.1 Scenarios and use cases............................................................. 36
4.1.1 Greenfield.....................................................................................37
4.1.2 Existing operator.......................................................................... 37
4.2 Propagation modelling................................................................. 39
4.3 Simulation-based planning...........................................................43
4.4 Tools.............................................................................................52
4.5 Common practice......................................................................... 53
4.6 Link budget and planning thresholds........................................... 53
4.6.1 RSSI versus RSRP and RSRQ measurements........................... 54
4.6.2 LTE power budget........................................................................ 55
4.6.3 Planning thresholds......................................................................65
4.7 Link budget comparison............................................................... 66
5 Performance expectations........................................................... 68
5.1 Cell level performance................................................................. 68
5.2 Latency.........................................................................................69
5.3 Mobility and cell ranges................................................................69
5.4 LTE UE categories....................................................................... 71
6 Detailed planning......................................................................... 73
6.1 Frequency bands and spectrum re-farming................................. 73
6.2 Site selection................................................................................74
6.3 Site design................................................................................... 78
6.4 Physical layer cell identity planning..............................................81
6.5 eNodeB and cell identity planning................................................83
6.6 RF carrier allocation..................................................................... 84
6.7 Neighbour planning...................................................................... 86
6.7.1 LTE............................................................................................... 86
6.7.2 UMTS........................................................................................... 88
6.8 Tracking area planning.................................................................88
6.9 MME area planning...................................................................... 89
6.10 PRACH planning.......................................................................... 90
6.11 Co-Siting...................................................................................... 92
6.11.1 LTE and GSM...............................................................................92
6.11.2 LTE and UMTS.............................................................................93
6.11.3 Achieving sufficient isolation........................................................ 93
6.12 Indoor solutions............................................................................95
7 Comparison between UMTS and LTE..........................................98
8 References.................................................................................100