Huawei Airbridge BTS3612A-1900 Manuals

Manuals and User Guides for Huawei Airbridge BTS3612A-1900. We have 1 Huawei Airbridge BTS3612A-1900 manual available for free PDF download: Technical Manual

Huawei Airbridge BTS3612A-1900 Technical Manual (133 pages)

CDMA Base Station

Brand: Huawei | Category: Accessories | Size: 1.07 MB

Table of Contents
1
Chapter 1 Overall Structure

6
- Physical Structure
  6
- Functional Structure
  8
Chapter 2 Baseband Subsystem

9
- Overview
  9
  - Functional Structure
    9
  - Introduction to Baseband Boards
    9
- Bckm
  10
  - Overview
    10
  - Structure and Principle
    10
  - External Interfaces
    12
  - Indices
    13
- Bcim
  13
  - Overview
    13
  - Structure and Principle
    13
  - External Interfaces
    15
  - Indices
    15
- Bcpm
  15
  - Overview
    15
  - Structure and Principle
    16
  - External Interfaces
    17
  - Indices
    18
- Brdm
  18
  - Overview
    18
  - Structure and Principle
    18
  - External Interfaces
    20
  - Indices
    21
- Basb
  21
  - Overview
    21
  - Structure and Principle
    21
  - External Interfaces
    22
  - Indices
    22
- Besp
  22
  - Overview
    22
  - Structure and Principle
    23
  - External Interfaces
    24
  - Indices
    24
- Bfan
  25
  - Bfmm
    25
  - Bfib
    27
Chapter 3 Radio Frequency Subsystem

29
- Overview
  29
  - Radio Frequency Subsystem Functional Structure
    29
  - Introduction to RF Modules
    30
- Btrm
  30
  - Overview
    30
  - Structure and Principle
    31
  - External Interfaces
    33
  - Indices
    34
- Bhpa
  34
  - Overview
    34
  - Structure and Principle
    34
  - External Interfaces
    36
  - Indices
    36
- Btrb
  36
  - Overview
    36
  - Structure and Principle
    36
  - External Interfaces
    37
  - Indices
    38
- Cdu
  38
  - Overview
    38
  - Structure and Principle
    38
  - External Interfaces
    39
  - Indices
    40
- Dfu
  40
  - Overview
    40
  - Structure and Principle
    40
  - External Interfaces
    41
  - Indices
    41
- Ddu
  42
  - Overview
    42
  - Structure and Principle
    42
  - External Interfaces
    43
  - Indices
    43
- Rldu
  44
  - Overview
    44
  - Structure and Principle
    44
  - External Interfaces
    45
  - Indices
    46
- Brfm
  46
  - Bbfm
    46
  - Bbfl
    48
Chapter 4 Antenna & Feeder Subsystem

50
- Overview
  50
- RF Antenna & Feeder
  50
  - Antenna
    50
  - Feeder
    52
  - Lightning Arrester (Optional)
    52
  - Tower-Top Amplifier (Optional)
    53
- Satellite Synchronization Antenna & Feeder
  53
  - Overview
    53
  - Antenna
    56
  - Feeder
    56
  - Lightning Arrester
    56
  - Receiver
    56
Chapter 5 Power & Environment Monitoring Subsystem

58
- Overview
  58
- Power Distribution
  59
  - AC Distribution
    59
  - DC Distribution
    60
  - Power Distribution Devices
    62
- Environment Monitoring
  63
  - Structure of Monitoring System
    63
  - Monitoring Devices
    64
Chapter 6 Lightning Protection and Grounding

66
Chapter 7 BTS Signal Flows

71
- Overview
  71
- Abis Traffic Signal Flow
  73
- Abis Signaling Message Flow
  74
- O&M Signal Flow
  75
- Clock Signal Flow
  75
Chapter 8 BTS Configuration

76
- Configuration Principle
  76
- Configuration of Main Equipment
  76
- Configuration of Auxiliary Equipment
  80
  - Batteries
    80
  - Temperature Control Device
    81
  - Monitoring Devices
    81
  - Transmission Equipment
    82
- Configuration of Antenna and Feeder
  82
- Networking Configuration
  82
  - Star Networking
    83
  - Chain Networking
    84
  - Tree Networking
    85
  - Fractional ATM Networking
    86
  - Cascading with Odu3601Cs
    86
- Typical Configurations
  87
  - Overview
    87
  - S(2/2/2) Configuration
    88
  - S(4/4/4) Configuration
    89
Appendix A Performance of Receiver and Transmitter

93
- Performance of Receiver
  93
  - Frequency Coverage
    93
  - Access Probe Acquisition
    93
  - R-TCH Demodulation Performance
    93
  - Receiving Performance
    102
  - Limitations on Emissions
    104
  - Received Signal Quality Indicator (RSQI
    104
- Performance of Transmitter
  105
  - Frequency Requirements
    105
  - Modulation Requirements
    105
  - RF Output Power
    106
  - Limitations on Emissions
    107
Appendix B EMC Performance

109
- EMI Performance
  109
- EMS Performance
  110
Appendix C Environment Requirements

114
- Storage Environment
  114
- Transportation Environment
  116
- Operation Environment
  118
Appendix D Electromagnetic Radiation

121
- Introduction
  121
- Maximum Permissible Exposure
  121
- Estimation of Exposure to Electromagnetic Fields
  123
- Calculation of Safe Distance
  123
- Location of BTS Antennae
  124
  - Exclusion Zones
    124
  - Guidelines on Arranging Antenna Locations
    125
Appendix E Abbreviations and Acronyms

126

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Huawei Airbridge BTS3612A-1900 Manuals

Huawei Airbridge BTS3612A-1900 Technical Manual (133 pages)

Table of Contents

Chapter 1 Overall Structure

Chapter 2 Baseband Subsystem

Chapter 3 Radio Frequency Subsystem

Chapter 4 Antenna & Feeder Subsystem

Chapter 5 Power & Environment Monitoring Subsystem

Chapter 6 Lightning Protection and Grounding

Chapter 7 BTS Signal Flows

Chapter 8 BTS Configuration

Appendix A Performance of Receiver and Transmitter

Appendix B EMC Performance

Appendix C Environment Requirements

Appendix D Electromagnetic Radiation

Appendix E Abbreviations and Acronyms

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