User's Manual
Table Of Contents
- Contents
- Chapter 1 Introduction
- Chapter 2 Preliminary Operations
- Chapter 3 Optimization/Calibration
- Introduction to Optimization and Calibration
- Preparing the LMF
- Overview of Packet BTS files
- LMF Features and Installation Requirements
- LMF File Structure Overview
- LMF Home Directory
- NECF Filename Conventions and Directory Location
- LMF Installation and Update Procedures
- Copy BTS and CBSC CDF (or NECF) Files to the LMF Computer
- Creating a Named HyperTerminal Connection for MMI Communication
- Span Lines - Interface and Isolation
- LMF to BTS Connection
- Using the LMF
- Pinging the Processors
- Download the BTS
- CSM System Time - GPS & LFR/HSO Verification
- Test Equipment Set-up
- Test Set Calibration
- Background
- Calibration Procedures Included
- GPIB Addresses
- Selecting Test Equipment
- Manually Selecting Test Equipment in a Serial Connection Tab
- Automatically Selecting Test Equipment in the Serial Connection Tab
- Calibrating Test Equipment
- Calibrating Cables Overview
- Calibrating Test Cabling using Communications System Analyzer
- Calibrate Test Cabling Using Signal Generator & Spectrum Analyzer
- Setting Cable Loss Values
- Setting TX Coupler Loss Value
- Bay Level Offset Calibration
- Purpose of Bay Level Offset Calibration
- What is BLO Calibration?
- Component Verification During Calibration
- When to Calibrate BLOs
- BLO Calibration Data File
- Test Equipment Setup for RF Path Calibration
- Transmit (TX) Path Calibration Description
- TX Calibration and the LMF
- TX Calibration
- All Cal/Audit and TX Calibration Procedure
- Download BLO Procedure
- Calibration Audit Introduction
- TX Path Audit
- TX Audit Test
- Create CAL File
- RFDS Set-up and Calibration
- Alarms Testing
- Chapter 4 Automated Acceptance Test Procedures
BTS Sector Configurations
68P64115A18–1
Mar 2003
1X SC 4812T Lite BTS Optimization/ATP Software Release R2.16.1.x
DRAFT
1-26
Table 1-6: Sector Configurations
Configuration Description
3–Sector / 1 Carrier
The configuration below maps RX and TX with bandpass filters for a 3–sector/1–carrier frame.
1
ANT 1A ANT 2A ANT 3A ANT 1B ANT 2B ANT 3B
1
TX1 / RX1A TX2 / RX2A TX3 / RX3A RX1B RX2B RX3B Carrier #
BBX–1 BBX–2 BBX–3 BBX–1
(diversity RX)
BBX–2
(diversity RX)
BBX–3
(diversity RX)
1
3–Sector / 1 Carrier
The configuration below maps RX and TX with 2:1 combiners for 3–sector/1–carrier frames in
companion configuration.
ANT 1A ANT 2A ANT 3A ANT 1B ANT 2B ANT 3B
TX1 / RX1A TX2 / RX2A TX3 / RX3A Carrier #
2
BBX–1 BBX–2 BBX–3 1
2
NOTE
Diversity RX (RX1B, 2B, and 3B) is received from the opposite companion frame through RX
EXPANSION connectors 1B, 2B, and 3B.
Diversity RX is provided to the opposite companion frame from antenna connectors 1A, 2A, and 3A
through RX EXPANSION connectors 1A, 2A, and 3A.
3–Sector / 2–ADJACENT or 2–NON–ADJACENT Carriers
The configuration below maps RX and TX with bandpass filters for 3–sectors/2–carriers for both
adjacent and non–adjacent channels.
ANT 1A ANT 2A ANT 3A ANT 1B ANT 2B ANT 3B
3
TX1 / RX1A TX2 / RX2A TX3 / RX3A TX4 / RX1B TX5 / RX2B TX6 / RX3B Carrier #
3
BBX–1 BBX–2 BBX–3 BBX–1
(diversity RX)
BBX–2
(diversity RX)
BBX–3
(diversity RX)
1
BBX–4
(RX)
BBX–5
(RX)
BBX–6
(RX)
BBX–4
(TX & diversity
RX)
BBX–5
(TX & diversity
RX)
BBX–6
(TX & diversity
RX)
2
3–Sector / 2–NON–ADJACENT Carriers
The configuration below maps RX and TX with 2:1 combiners for 3–sectors/2–carriers for
non–adjacent channels for frames in companion configuration.
ANT 1A ANT 2A ANT 3A ANT 1B ANT 2B ANT 3B
TX1 & 4 /
RX1A & 4A
TX2 & 5 /
RX2A & 5A
TX3 & 6 /
RX3A & 6A
Carrier #
4
BBX–1 BBX–2 BBX–3 1
4
BBX–4 BBX–5 BBX–6 2
NOTE
Diversity RX (RX1B, 2B, 3B and RX4B, 5B, 6B) is received from the opposite companion frame
through RX EXPANSION connectors 1B, 2B, and 3B (see NO TAG or NO TAG).
Diversity RX is provided to the opposite companion frame from antenna connectors 1A, 2A, and 3A
through RX EXPANSION connectors 1A, 2A, and 3A.