aubidamax
2011-12-22, 02:41 AM
hi
this is doc from AT&T for LTE planning
Contents
Contributors...................................................................................................................................... 10
0. About This Document ..................................................................................................................... 11
0.1 Purpose .................................................................................................................................... 11
0.2 Scope ....................................................................................................................................... 11
0.3 Audience .................................................................................................................................. 11
0.4 Related Documentation ............................................................................................................. 12
0.5 Acronyms and Terms ................................................................................................................ 12
0.6 Trademarks ............................................................................................................................... 14
0.7 Conventions .............................................................................................................................. 14
0.8 Contacts ................................................................................................................................... 14
1. LTE Network Design Goals, Targets and Options ......................................................................... 15
1.1 LTE Design Goals ..................................................................................................................... 15
1.2 LTE Key Performance Indicators and Design Targets ............................................................. 18
1.3 Design Options .......................................................................................................................... 20
2. LTE RF Design Input ...................................................................................................................... 22
2.1 Project and Work Environment ................................................................................................. 22
2.2 Frequency Band and Technical Details on Frequency Band Table.......................................... 23
2.2.1 Frequency Band ............................................................................................................... 23
2.2.2 Technical Details behind the Frequency Band Table ....................................................... 25
2.3 Power Limits and License Border Coordination Requirements ................................................ 28
2.3.1 Transmit Power Limits in CMRS Bands ........................................................................... 28
2.3.2 700 MHz License Border Coordination Requirements ..................................................... 29
2.3.3 AWS License Border Coordination Requirements ........................................................... 29
2.3.4 850 MHz License Requirements....................................................................................... 29
2.4 RF Propagation Models for LTE Designs ................................................................................. 30
2.5 Geo Data .................................................................................................................................. 32
2.6 Candidate Sites for LTE Design ................................................................................................ 34
2.7 LTE Design Area ....................................................................................................................... 35
2.8 Broadband Antennas and Antenna Patterns ............................................................................ 36
2.9 Feedline/Jumper Replacement ................................................................................................. 38
2.10 TMA Requirements and TMA Settings in the Atoll ................................................................... 40
2.11 Existing Market Problem Areas ................................................................................................. 41
2.12 LTE Link Budget Consideration ................................................................................................ 42
3. Atoll LTE Traffic Model and Capacity Analysis .............................................................................. 43
3.1 Bearers ..................................................................................................................................... 44
3.2 Services.................................................................................................................................... 45
3.3 User Equipment (Terminals) ..................................................................................................... 46
3.4 Mobility Type ............................................................................................................................. 48
3.5 Traffic Data ............................................................................................................................... 48
3.6 Indoor/Outdoor Distribution of Users ........................................................................................ 51
4. Project Configuration and Additional Atoll Settings ....................................................................... 53
4.1 Radio Head (RH) Locations and Atoll Configurations ............................................................... 53
4.2 Jumper and Connector Losses ................................................................................................. 55
4.3 Number of Transmitters per Site ............................................................................................... 58
4.4 Sites-Transmitter-Cell Configuration and Frequency Band Definition ...................................... 59
4.5 Outdoor Distributed Antenna System (oDAS) configuration ..................................................... 60
4.6 Clutter Properties Setup and Indoor Losses ............................................................................. 66
4.7 Propagation Model Assignment to Transmitters ....................................................................... 68
4.8 Considerations for Dense Urban Area Designs ........................................................................ 69
4.9 Main Calculation Radius and Resolution .................................................................................. 69
4.10 Number of Ports ........................................................................................................................ 70
4.11 Special Consideration for 850 MHz LTE Designs ..................................................................... 70
5. LTE Network Design Analysis ........................................................................................................ 72
5.1 LTE Design Views ..................................................................................................................... 73
5.1.1 Baseline LTE Network View from Existing UMTS Projects .............................................. 75
5.1.2 Baseline LTE Network View from Existing GSM Projects (no UMTS) ............................. 76
5.2 PICD Optimized LTE Network View Design Steps ................................................................... 77
5.3 ICD Optimized Network View Design Steps ............................................................................. 77
5.4 LTCD Optimized Network View Design Steps .......................................................................... 77
5.5 Monte Carlo Simulations and Settings ...................................................................................... 79
5.6 Determining the Global Scaling Factor for LTE Designs .......................................................... 81
5.7 Predefined Prediction Studies Settings ..................................................................................... 82
5.8 Engineering Polygon, Clusters, Super Clusters, Computation and Focus Zone Definitions .... 84
5.8.1 Engineering Polygon ......................................................................................................... 84
5.8.2 Clusters ............................................................................................................................. 86
5.8.3 Cluster Boundaries ........................................................................................................... 86
5.8.4 Super Cluster .................................................................................................................... 87
5.8.5 Super Cluster Boundaries ................................................................................................. 87
5.8.6 Engineering Polygons and No LTE Spectrum License Areas .......................................... 88
5.8.7 Computation Zone ............................................................................................................ 89
5.8.8 Focus Zone ....................................................................................................................... 89
5.9 Design Expansions (New Tranches) and Impact to Previously Designed Areas ..................... 89
5.9.1 Buffer Zone ....................................................................................................................... 89
5.9.2 Expansion Only Area ........................................................................................................ 90
5.9.3 Expansion Design Area .................................................................................................... 90
6. LTE Design Evaluation Process .................................................................................................... 93
6.1.1 LTE Polygon Evaluation ................................................................................................... 94
6.1.2 Individual Site Performance Evaluation ............................................................................ 94
6.1.3 Individual Cluster Performance Evaluation ..................................................................... 101
6.1.4 Network Performance Evaluation ................................................................................... 103
6.1.5 Inter-technology Network Evaluation .............................................................................. 104
6.1.6 LTE Design Exit Criteria ................................................................................................. 109
7. LTE Infill Site Designs .................................................................................................................. 111
7.1 Infill Site Design Quality .......................................................................................................... 111
7.1.1 Category 1 – Best Infill Site Design ................................................................................ 111
7.1.2 Category 2 – Average/Above Average Infill Site Design ................................................ 111
7.1.3 Category 3 – Average/Below Average Infill Site Design ................................................ 111
7.1.4 Category 4 – Worst Infill Site Design .............................................................................. 112
7.2 Process for Designing an LTE Infill Site .................................................................................. 112
7.2.1 Process Flow .................................................................................................................. 112
7.2.2 Pictorial View of Process Flow........................................................................................ 114
7.3 KPI Reporting Requirement for Infill Site Designs .................................................................. 115
7.3.1 Additional Requirement for a Candidate Site Design ..................................................... 115
7.3.2 Infill Site Design KPI Reporting and Impact to Design Phase Reports .......................... 115
7.4 Infill Site Designs and Impact on Neighbor Lists and PCIs ..................................................... 115
8. E-UTRAN Neighbor List and Physical Cell ID Planning .............................................................. 116
8.1 Neighbor List Planning ............................................................................................................ 116
8.2 Physical Cell Identity (PCI) Planning ...................................................................................... 121
8.2.1 Overview of Physical Cell IDs ......................................................................................... 122
8.2.2 Prerequisites for the Physical Cell ID Planning .............................................................. 122
8.2.3 Neighbor Relationships and the Physical Cell ID Planning in Atoll ................................ 123
8.2.4 Physical Cell ID table and their relationship to PSS ID and SSS ID .............................. 130
9. MediaFlo Coexistence with the AT&T LTE Network .................................................................... 131
9.1 Interference modes ................................................................................................................. 131
9.1.1 Out of Band Emissions (OOBE) ..................................................................................... 132
9.1.2 Desense and Blocking .................................................................................................... 132
9.2 LTE Equipment ....................................................................................................................... 133
9.2.1 1 dB Noise Floor Degradation ........................................................................................ 133
9.2.2 Receiver desense - rule of thumb for MediaFLO -> LTE ............................................... 133
9.3 MediaFLO............................................................................................................................... 133
9.3.1 Spectral mask ................................................................................................................. 133
9.3.2 Normal configuration ....................................................................................................... 134
9.3.3 Required path loss for 1 dB noise rise ............................................................................ 135
9.3.4 OOBE – Rule-of-thumb MediaFLO -> LTE ..................................................................... 136
9.4 Isolation Requirements – Overall ............................................................................................ 136
9.4.1 Measuring the MediaFLO spectrum ............................................................................... 136
9.4.2 Antenna pattern isolation ................................................................................................ 136
9.4.3 Rule-of –thumb antenna isolation requirement ............................................................... 137
9.4.4 Antenna Selection ........................................................................................................... 138
9.4.5 LTE Carrier Positioning ................................................................................................... 138
9.4.6 PUCCH Over-Dimensioning ........................................................................................... 139
10. LTE Design Deliverables.............................................................................................................. 141
10.1 Basic Concepts ....................................................................................................................... 144
10.2 Cluster Naming Convention Details ........................................................................................ 144
10.2.1 Cell Name Format ........................................................................................................... 145
10.2.2 Sub-Market Code (SMKT) Field ..................................................................................... 145
10.2.3 Cluster Number Field ...................................................................................................... 145
10.2.4 Super-Cluster Number Field ........................................................................................... 146
10.2.5 Frequency Band Field ..................................................................................................... 147
10.2.6 LTE Bandwidth Field ....................................................................................................... 148
10.3 Examples of Cluster Naming................................................................................................... 148
10.3.1 Original First Carrier Deployment (license border and campus town example) ............. 148
10.3.2 Expansion Clusters ......................................................................................................... 151
10.3.3 2nd Carrier overlay ........................................................................................................... 152
10.4 Sub-Market Codes .................................................................................................................. 154
http://www.4shared.com/rar/RgceUzym/LTE_RF_Network_Design_Guidelin.html
please add thanks and reputation
this is doc from AT&T for LTE planning
Contents
Contributors...................................................................................................................................... 10
0. About This Document ..................................................................................................................... 11
0.1 Purpose .................................................................................................................................... 11
0.2 Scope ....................................................................................................................................... 11
0.3 Audience .................................................................................................................................. 11
0.4 Related Documentation ............................................................................................................. 12
0.5 Acronyms and Terms ................................................................................................................ 12
0.6 Trademarks ............................................................................................................................... 14
0.7 Conventions .............................................................................................................................. 14
0.8 Contacts ................................................................................................................................... 14
1. LTE Network Design Goals, Targets and Options ......................................................................... 15
1.1 LTE Design Goals ..................................................................................................................... 15
1.2 LTE Key Performance Indicators and Design Targets ............................................................. 18
1.3 Design Options .......................................................................................................................... 20
2. LTE RF Design Input ...................................................................................................................... 22
2.1 Project and Work Environment ................................................................................................. 22
2.2 Frequency Band and Technical Details on Frequency Band Table.......................................... 23
2.2.1 Frequency Band ............................................................................................................... 23
2.2.2 Technical Details behind the Frequency Band Table ....................................................... 25
2.3 Power Limits and License Border Coordination Requirements ................................................ 28
2.3.1 Transmit Power Limits in CMRS Bands ........................................................................... 28
2.3.2 700 MHz License Border Coordination Requirements ..................................................... 29
2.3.3 AWS License Border Coordination Requirements ........................................................... 29
2.3.4 850 MHz License Requirements....................................................................................... 29
2.4 RF Propagation Models for LTE Designs ................................................................................. 30
2.5 Geo Data .................................................................................................................................. 32
2.6 Candidate Sites for LTE Design ................................................................................................ 34
2.7 LTE Design Area ....................................................................................................................... 35
2.8 Broadband Antennas and Antenna Patterns ............................................................................ 36
2.9 Feedline/Jumper Replacement ................................................................................................. 38
2.10 TMA Requirements and TMA Settings in the Atoll ................................................................... 40
2.11 Existing Market Problem Areas ................................................................................................. 41
2.12 LTE Link Budget Consideration ................................................................................................ 42
3. Atoll LTE Traffic Model and Capacity Analysis .............................................................................. 43
3.1 Bearers ..................................................................................................................................... 44
3.2 Services.................................................................................................................................... 45
3.3 User Equipment (Terminals) ..................................................................................................... 46
3.4 Mobility Type ............................................................................................................................. 48
3.5 Traffic Data ............................................................................................................................... 48
3.6 Indoor/Outdoor Distribution of Users ........................................................................................ 51
4. Project Configuration and Additional Atoll Settings ....................................................................... 53
4.1 Radio Head (RH) Locations and Atoll Configurations ............................................................... 53
4.2 Jumper and Connector Losses ................................................................................................. 55
4.3 Number of Transmitters per Site ............................................................................................... 58
4.4 Sites-Transmitter-Cell Configuration and Frequency Band Definition ...................................... 59
4.5 Outdoor Distributed Antenna System (oDAS) configuration ..................................................... 60
4.6 Clutter Properties Setup and Indoor Losses ............................................................................. 66
4.7 Propagation Model Assignment to Transmitters ....................................................................... 68
4.8 Considerations for Dense Urban Area Designs ........................................................................ 69
4.9 Main Calculation Radius and Resolution .................................................................................. 69
4.10 Number of Ports ........................................................................................................................ 70
4.11 Special Consideration for 850 MHz LTE Designs ..................................................................... 70
5. LTE Network Design Analysis ........................................................................................................ 72
5.1 LTE Design Views ..................................................................................................................... 73
5.1.1 Baseline LTE Network View from Existing UMTS Projects .............................................. 75
5.1.2 Baseline LTE Network View from Existing GSM Projects (no UMTS) ............................. 76
5.2 PICD Optimized LTE Network View Design Steps ................................................................... 77
5.3 ICD Optimized Network View Design Steps ............................................................................. 77
5.4 LTCD Optimized Network View Design Steps .......................................................................... 77
5.5 Monte Carlo Simulations and Settings ...................................................................................... 79
5.6 Determining the Global Scaling Factor for LTE Designs .......................................................... 81
5.7 Predefined Prediction Studies Settings ..................................................................................... 82
5.8 Engineering Polygon, Clusters, Super Clusters, Computation and Focus Zone Definitions .... 84
5.8.1 Engineering Polygon ......................................................................................................... 84
5.8.2 Clusters ............................................................................................................................. 86
5.8.3 Cluster Boundaries ........................................................................................................... 86
5.8.4 Super Cluster .................................................................................................................... 87
5.8.5 Super Cluster Boundaries ................................................................................................. 87
5.8.6 Engineering Polygons and No LTE Spectrum License Areas .......................................... 88
5.8.7 Computation Zone ............................................................................................................ 89
5.8.8 Focus Zone ....................................................................................................................... 89
5.9 Design Expansions (New Tranches) and Impact to Previously Designed Areas ..................... 89
5.9.1 Buffer Zone ....................................................................................................................... 89
5.9.2 Expansion Only Area ........................................................................................................ 90
5.9.3 Expansion Design Area .................................................................................................... 90
6. LTE Design Evaluation Process .................................................................................................... 93
6.1.1 LTE Polygon Evaluation ................................................................................................... 94
6.1.2 Individual Site Performance Evaluation ............................................................................ 94
6.1.3 Individual Cluster Performance Evaluation ..................................................................... 101
6.1.4 Network Performance Evaluation ................................................................................... 103
6.1.5 Inter-technology Network Evaluation .............................................................................. 104
6.1.6 LTE Design Exit Criteria ................................................................................................. 109
7. LTE Infill Site Designs .................................................................................................................. 111
7.1 Infill Site Design Quality .......................................................................................................... 111
7.1.1 Category 1 – Best Infill Site Design ................................................................................ 111
7.1.2 Category 2 – Average/Above Average Infill Site Design ................................................ 111
7.1.3 Category 3 – Average/Below Average Infill Site Design ................................................ 111
7.1.4 Category 4 – Worst Infill Site Design .............................................................................. 112
7.2 Process for Designing an LTE Infill Site .................................................................................. 112
7.2.1 Process Flow .................................................................................................................. 112
7.2.2 Pictorial View of Process Flow........................................................................................ 114
7.3 KPI Reporting Requirement for Infill Site Designs .................................................................. 115
7.3.1 Additional Requirement for a Candidate Site Design ..................................................... 115
7.3.2 Infill Site Design KPI Reporting and Impact to Design Phase Reports .......................... 115
7.4 Infill Site Designs and Impact on Neighbor Lists and PCIs ..................................................... 115
8. E-UTRAN Neighbor List and Physical Cell ID Planning .............................................................. 116
8.1 Neighbor List Planning ............................................................................................................ 116
8.2 Physical Cell Identity (PCI) Planning ...................................................................................... 121
8.2.1 Overview of Physical Cell IDs ......................................................................................... 122
8.2.2 Prerequisites for the Physical Cell ID Planning .............................................................. 122
8.2.3 Neighbor Relationships and the Physical Cell ID Planning in Atoll ................................ 123
8.2.4 Physical Cell ID table and their relationship to PSS ID and SSS ID .............................. 130
9. MediaFlo Coexistence with the AT&T LTE Network .................................................................... 131
9.1 Interference modes ................................................................................................................. 131
9.1.1 Out of Band Emissions (OOBE) ..................................................................................... 132
9.1.2 Desense and Blocking .................................................................................................... 132
9.2 LTE Equipment ....................................................................................................................... 133
9.2.1 1 dB Noise Floor Degradation ........................................................................................ 133
9.2.2 Receiver desense - rule of thumb for MediaFLO -> LTE ............................................... 133
9.3 MediaFLO............................................................................................................................... 133
9.3.1 Spectral mask ................................................................................................................. 133
9.3.2 Normal configuration ....................................................................................................... 134
9.3.3 Required path loss for 1 dB noise rise ............................................................................ 135
9.3.4 OOBE – Rule-of-thumb MediaFLO -> LTE ..................................................................... 136
9.4 Isolation Requirements – Overall ............................................................................................ 136
9.4.1 Measuring the MediaFLO spectrum ............................................................................... 136
9.4.2 Antenna pattern isolation ................................................................................................ 136
9.4.3 Rule-of –thumb antenna isolation requirement ............................................................... 137
9.4.4 Antenna Selection ........................................................................................................... 138
9.4.5 LTE Carrier Positioning ................................................................................................... 138
9.4.6 PUCCH Over-Dimensioning ........................................................................................... 139
10. LTE Design Deliverables.............................................................................................................. 141
10.1 Basic Concepts ....................................................................................................................... 144
10.2 Cluster Naming Convention Details ........................................................................................ 144
10.2.1 Cell Name Format ........................................................................................................... 145
10.2.2 Sub-Market Code (SMKT) Field ..................................................................................... 145
10.2.3 Cluster Number Field ...................................................................................................... 145
10.2.4 Super-Cluster Number Field ........................................................................................... 146
10.2.5 Frequency Band Field ..................................................................................................... 147
10.2.6 LTE Bandwidth Field ....................................................................................................... 148
10.3 Examples of Cluster Naming................................................................................................... 148
10.3.1 Original First Carrier Deployment (license border and campus town example) ............. 148
10.3.2 Expansion Clusters ......................................................................................................... 151
10.3.3 2nd Carrier overlay ........................................................................................................... 152
10.4 Sub-Market Codes .................................................................................................................. 154
http://www.4shared.com/rar/RgceUzym/LTE_RF_Network_Design_Guidelin.html
please add thanks and reputation