Motorola LTE RF Planning Guide

[beginner]

LTE AIR INTERFACE OVERVIEW AND BASIC SPECTRUM PLANNING........ 24
2.1. INTRODUCTION ................................................................................................. 24
2.2. AIR INTERFACE OVERVIEW ................................................................................ 24
2.2.1. OFDMA .................................................................................................... 24
2.2.2. Number of Subcarriers ............................................................................. 24
2.2.3. Symbol Size ............................................................................................. 25
2.2.4. Subcarrier Types ...................................................................................... 26
2.2.5. Frames ..................................................................................................... 26
2.2.5.1. FDD - Type 1 Frame............................................................................. 27
2.2.5.2. TDD - Type 2 Frame............................................................................. 29
2.2.5.3. FDD-TDD Frame Summary .................................................................. 31
2.2.6. UL Allocation (SC-FDMA)......................................................................... 32
2.2.7. Modulation Techniques ............................................................................ 33
2.2.8. Error Correction........................................................................................ 33
2.2.9. LTE Overview Summary........................................................................... 33
2.3. BASIC SPECTRUM PLANNING ............................................................................. 34
2.3.1. Operating Bands ...................................................................................... 34
2.3.2. Channel Bandwidths................................................................................. 36
2.3.3. Channel Spacing ...................................................................................... 38
2.3.4. Guard Band Considerations ..................................................................... 41
2.3.5. Additional Spectrum Information .............................................................. 42
2.3.5.1. United States ........................................................................................ 42
2.3.5.2. Outside of the United States................................................................. 47
2.4. REFERENCES ................................................................................................... 48
3. RF LINK BUDGET.............................................................................................. 49
3.1. INTRODUCTION ................................................................................................. 49
3.2. LTE RF LINK BUDGET....................................................................................... 52
3.2.1. Effective Radiated Power ......................................................................... 53
3.2.1.1. Transmit RF Power............................................................................... 54
3.2.1.2. Transmit Diversity Gain ........................................................................ 54
3.2.1.3. Tx RF Line Loss.................................................................................... 54
3.2.1.4. Transmit Antenna Gain......................................................................... 56
LTE RF Planning Guide
Version 1.2 iProtect: Internal Page 5
3.2.1.5. Transmit Adaptive Array Gain............................................................... 57
3.2.2. Effective Receiver Faded Sensitivity ........................................................ 58
3.2.2.1. Thermal Noise ...................................................................................... 59
3.2.2.2. Subcarrier ............................................................................................. 59
3.2.2.3. Noise Figure ......................................................................................... 60
3.2.2.4. Ambient Noise ...................................................................................... 63
3.2.2.5. SNR...................................................................................................... 63
3.2.2.6. Implementation Margin ......................................................................... 65
3.2.2.7. Fast Fading........................................................................................... 66
3.2.2.8. Receive Diversity Gain ......................................................................... 67
3.2.2.9. HARQ Gain........................................................................................... 68
3.2.2.10. Receive Antenna Gain........................................................................ 69
3.2.2.11. Rx RF Line Loss ................................................................................. 69
3.2.3. System Gain............................................................................................. 70
3.2.3.1. Building Loss ........................................................................................ 70
3.2.3.2. Vehicle Loss ......................................................................................... 81
3.2.3.3. Body Loss............................................................................................. 81
3.2.3.4. Foliage Loss ......................................................................................... 82
3.2.3.5. Interference Margin............................................................................... 83
3.2.3.6. Log Normal Margin ............................................................................... 84
3.2.3.7. Maximum Allowable Pathloss ............................................................... 90
3.3. LIMITING RF LINK.............................................................................................. 90
3.4. SUBSCRIBER TYPES.......................................................................................... 91
3.4.1. Fixed versus Mobile.................................................................................. 91
3.5. BASE STATION TYPES ....................................................................................... 92
3.5.1. Remote Radio Head................................................................................. 93
3.5.2. Frame Based............................................................................................ 94
3.6. REFERENCE ..................................................................................................... 95
3.6.1. Watts to dB Conversion............................................................................ 95
3.6.2. Log-Normal Fade Margin.......................................................................... 96
4. RF PROPAGATION MODELS ........................................................................... 97
4.1. INTRODUCTION ................................................................................................. 97
4.2. FREE SPACE .................................................................................................... 98
4.3. HATA ............................................................................................................. 100
4.3.1. Model Equations..................................................................................... 100
4.3.2. Example ................................................................................................. 101
4.3.3. References ............................................................................................. 102
4.4. COST-231 HATA ........................................................................................... 102
4.4.1. Model Equations..................................................................................... 103
4.4.2. Example ................................................................................................. 104
4.4.3. References .............................................................................................

[YD0LTE]

Sepertinya perlu di upload kembali karena terdeteksi virus/malware. Thanks and Regards. Meski Motorola RAN tinggal sejarah.

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Sepertinya perlu di upload kembali karena terdeteksi virus/malware. Thanks and Regards. Meski Motorola RAN tinggal sejarah.

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