Huawei Airbridge BTS3612A-1900 Technical Manual page 2

Technical Manual
Airbridge BTS3612A CDMA Base Station
2.8 BFAN ............................................................................................................................... 2-17
2.8.1 BFMM.................................................................................................................... 2-17
2.8.2 BFIB ...................................................................................................................... 2-19
Chapter 3 Radio Frequency Subsystem ..................................................................................... 3-1
3.1 Overview ............................................................................................................................ 3-1
3.1.1 Radio Frequency Subsystem Functional Structure................................................. 3-1
3.1.2 Introduction to RF Modules ..................................................................................... 3-2
3.2 BTRM................................................................................................................................. 3-2
3.2.1 Overview ................................................................................................................. 3-2
3.2.2 Structure and Principle............................................................................................ 3-3
3.2.3 External Interfaces .................................................................................................. 3-5
3.2.4 Indices ..................................................................................................................... 3-6
3.3 BHPA ................................................................................................................................. 3-6
3.3.1 Overview ................................................................................................................. 3-6
3.3.2 Structure and Principle............................................................................................ 3-6
3.3.3 External Interfaces .................................................................................................. 3-8
3.3.4 Indices ..................................................................................................................... 3-8
3.4 BTRB ................................................................................................................................. 3-8
3.4.1 Overview ................................................................................................................. 3-8
3.4.2 Structure and Principle............................................................................................ 3-8
3.4.3 External Interfaces .................................................................................................. 3-9
3.4.4 Indices ................................................................................................................... 3-10
3.5 CDU ................................................................................................................................. 3-10
3.5.1 Overview ............................................................................................................... 3-10
3.5.2 Structure and Principle.......................................................................................... 3-10
3.5.3 External Interfaces ................................................................................................ 3-11
3.5.4 Indices ................................................................................................................... 3-12
3.6 DFU.................................................................................................................................. 3-12
3.6.1 Overview ............................................................................................................... 3-12
3.6.2 Structure and Principle.......................................................................................... 3-12
3.6.3 External Interfaces ................................................................................................ 3-13
3.6.4 Indices ................................................................................................................... 3-13
3.7 DDU ................................................................................................................................. 3-14
3.7.1 Overview ............................................................................................................... 3-14
3.7.2 Structure and Principle.......................................................................................... 3-14
3.7.3 External Interfaces ................................................................................................ 3-15
3.7.4 Indices ................................................................................................................... 3-15
3.8 RLDU ............................................................................................................................... 3-16
3.8.1 Overview ............................................................................................................... 3-16
3.8.2 Structure and Principle.......................................................................................... 3-16
3.8.3 External Interfaces ................................................................................................ 3-17
3.8.4 Indices ................................................................................................................... 3-18
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System Principle
Table of Contents