User's Manual
Table Of Contents
- Table of Contents
- List of Figures
- List of Tables
- Foreword
- FCC Requirements
- General Safety
- Revision History
- Patent Notification
- Chapter 1 Introduction
- Chapter 2 Preliminary Operations
- Chapter 3 Optimization/Calibration
- Optimization/Calibration - Introduction
- Isolate Span Lines/Connect LMF
- Preparing the LMF
- Using CDMA LMF
- Download the BTS
- CSM System Time/GPS and LFR/HSO Verification
- Test Equipment Set-up
- Test Set Calibration
- Bay Level Offset Calibration
- RFDS Set-up and Calibration
- BTS Redundancy/Alarm Testing
- BTS Alarms Testing
- Preliminary Operations: Overview
- Pre-Power-up Tests
- Initial Power-up Tests
- Chapter 4 Automated Acceptance Test Procedure
- Automated Acceptance Test Procedures - All-inclusive TX & RX
- TX Output Acceptance Tests: Introduction
- TX Spectral Purity Transmit Mask Acceptance Test
- TX Waveform Quality (rho) Acceptance Test
- TX Pilot Time Offset Acceptance Test
- TX Code Domain Power/Noise Floor Acceptance Test
- RX Frame Error Rate (FER) Acceptance Test
- Generate an ATP Report
- Chapter 5 Prepare to Leave the Site
- Chapter 6 Basic Troubleshooting
- Basic Troubleshooting Overview
- Troubleshooting: Installation
- Troubleshooting: Download
- Troubleshooting: Calibration
- Troubleshooting: Transmit ATP
- Troubleshooting: Receive ATP
- Troubleshooting: CSM Check-list
- C-CCP Backplane Troubleshooting
- Module Front Panel LED Indicators and Connectors
- Basic Troubleshooting - Span Control Link
- Appendix A Data Sheets
- Appendix B PN Offset/I & Q Offset Register Programming Information
- Appendix C FRU Optimization/ATP Test Matrix
- Appendix D BBX Gain Set Point vs. BTS Output
- Appendix E CDMA Operating Frequency
- Appendix F PCS Interface Setup for Manual Testing
- Appendix G VSWR
- Appendix H Download ROM Code
- Appendix I In-Service Calibration
- Appendix J GPIB Addresses
- Introduction
- HP437 Power Meter GPIB Address
- Gigatronics 8541C Power Meter GPIB Address
- Motorola CyberTest GPIB Address
- HP8935 Test Set GPIB Address
- Setting HP8921A and HP83236A/B GPIB Address
- Advantest R3465 GPIB Address
- RS232 GPIB Interface Box
- Advantest R3267 Spectrum Analyzer GPIB Address
- Agilent E4406A Transmitter Tester GPIB Address
- Index
Purpose of the Optimization68P09255A61-4
Aug 2002
1X SC 4812T BTS Optimization/ATP Software Release 2.16.1.x
FIELD TRIAL
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Purpose of the Optimization
Why Optimize?
Proper optimization and calibration assures:
Accurate downlink RF power levels are transmitted from the site.
Accurate uplink signal strength determinations are made by the site.
What Is Optimization?
Optimization compensates for the site-specific cabling and normal
equipment variations. Cables that interconnect the BTS and Duplexer
assemblies (if used), for example, are cut and installed at the time of the
BTS frame installation at the site. Site optimization guarantees that the
combined losses of the new cables and the gain/loss characteristics and
built-in tolerances of each BTS frame do not accumulate, causing
improper site operation.
Optimization identifies the accumulated loss (or gain) for all receive and
transmit paths at the BTS site, and stores that value in a database.
The RX path for the starter frame starts at the ancillary equipment
frame RFDS RX directional coupler antenna feedline port, through the
ancillary equipment frame RFDS RX directional coupler antenna
feedline port, through the RX input port on the top of the frame,
through the bandpass filter, Combiner Input/Output (CIO) card,
Multicoupler Preselector Card (MPC), and additional splitter circuitry,
ending at a CDMA Channel Processor (C-CCP) backplane Broad
Band Transceiver (BBX) slot in the C-CCP shelf.
NOTE
In this manual, all version of the BBX, MCC, and GLI usable in
this BTS are generically identified as BBX, MCC, or GLI unless
otherwise specified.
The RX path for the expansion frame starts at the ancillary equipment
frame RFDS RX directional coupler antenna feedline port, through the
ancillary equipment frame RFDS RX directional coupler antenna
feedline port, through the RX input port on the top of the starter
frame, through the bandpass filter and CIO card, out the expansion
port at the top of the starter frame, through the expansion cable to the
expansion port on the expansion frame, through the Expansion
Multicoupler Preselector Card (EMPC) and CIO, ending at a BBX slot
in the C-CCP shelf.
The TX path starts at the BBX, through the C-CCP backplane slot,
travels through the LPA/Combiner TX Filter and ends at the top of the
RFDS TX directional coupler antenna feedline port (CDMA), installed
on the ancillary equipment frame. If the RFDS option is added, then
the TX path continues and ends at the top of the RFDS TX directional
coupler antenna feedline port installed in the ancillary equipment
frame. The TX paths are identical for the starter and expansion
frames.
These values are factored in by the BTS equipment internally, leaving
only site specific antenna feed line loss and antenna gain characteristics
to be factored in by the CFE when determining site Effective Radiated
Power (ERP) output power requirements.
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