User Manual
Airbridge cBTS3612 CDMA Base Station
System Description
Table of Contents
iii
4.3 Signaling Processing ................................................................................................. 4-9
4.4 Baseband Processing .............................................................................................. 4-11
4.5 RF Functions .......................................................................................................... 4-13
4.5.1 Power Control ............................................................................................... 4-13
4.5.2 Handoff ......................................................................................................... 4-15
4.5.3 Flexible Configuration .................................................................................... 4-15
4.5.4 Radio Configuration and Channel Support ...................................................... 4-16
4.5.5 Easy Installation and Operation...................................................................... 4-21
4.5.6 Diversity Receiving ........................................................................................ 4-21
4.5.7 Cell Breath .................................................................................................... 4-22
4.6 Operation and Maintenance..................................................................................... 4-22
4.6.1 Software Loading .......................................................................................... 4-22
4.6.2 Interface Management ................................................................................... 4-23
4.6.3 Test Management ......................................................................................... 4-24
4.6.4 Status Management ...................................................................................... 4-24
4.6.5 Event Reporting and Processing .................................................................... 4-25
4.6.6 Equipment Management ................................................................................ 4-26
4.6.7 Site Configuration.......................................................................................... 4-28
4.6.8 Operation Status Tracing ............................................................................... 4-29
4.6.9 Other Functions ............................................................................................. 4-29
5 System Configuration ....................................................................................................... 5-1
5.1 Overview .................................................................................................................. 5-1
5.1.1 Basic/Extended Cabinet Configuration ............................................................. 5-1
5.1.2 Baseband Subrack Configuration ..................................................................... 5-4
5.1.3 Power Supply Subrack Configuration ............................................................... 5-6
5.1.4 RF Modules Configuration ............................................................................... 5-6
5.1.5 Configuration of Antenna Parts ........................................................................ 5-7
5.2 Typical Configurations ............................................................................................... 5-8
5.2.1 Typical Configuration of cBTS3612 for 450MHz Band ....................................... 5-8
5.2.2 Typical Configuration of cBTS3612 for 800MHz Band ..................................... 5-14
5.2.3 Typical Configuration of cBTS3612 in 1900MHz Band..................................... 5-21
Appendix A Technical Performance of Receiver and Transmitter ..................................... A-1
A.1 Performance of Receiver...........................................................................................A-1
A.1.1 Frequency Coverage.......................................................................................A-1
A.1.2 Access Probe Acquisition ................................................................................A-1
A.1.3 R-TCH Demodulation Performance..................................................................A-1
A.1.4 Receiving Performance ...................................................................................A-9
A.1.5 Limitations on Emissions ...............................................................................A-10
A.1.6 Received Signal Quality Indicator (RSQI) .......................................................A-11
A.2 Performance of Transmitter .....................................................................................A-11
A.2.1 Frequency Requirements ..............................................................................A-11
A.2.2 Modulation Requirements ..............................................................................A-12