koepret
2011-06-18, 01:02 PM
GSM BSS Network KPI (Network Interference) Optimization Manual
Contents
1 Overview
1.1 Symptoms of Network Interference
1.2 Classification of Interference Sources in the GSM System
2 Approaches to Finding Interference Problems
2.1 Finding the Interference Through Analysis of OMC Traffic Statistics
2.1.1 Finding the Interference Through the Interference Band Counter
2.1.2 Finding the Interference Through Frequency Scanning Performance Measurement
2.1.3 Finding the Interference Through RX Quality and Level Performance Measurement
2.2 OMC Alarms and Subscriber Complaints
2.3 Finding the Interference Through DT and CQT
2.4 Finding the Interference Through Signaling Tracing
2.5 Finding the Interference by Transmitting Idle Bursts on the TRX
3 Locating and Solving Interference Problems
3.1 Interference Location and Check
3.1.1 Determining an Interfered Cell Based on KPIs
3.1.2 Checking OMC Alarms
3.1.3 Checking Frequency Planning
3.1.4 Checking Cell Parameter Settings
3.1.5 DT
3.1.6 Locating the Interference Through a Spectrum Analyzer
3.1.7 Uplink Frequency Scanner for Idle TRXs
3.2 Locating Interference Problems
3.3 Interference Caused by Hardware Equipment
3.3.1 Poor Antenna Performance
3.3.2 Faulty Connectors in the Antenna System
3.3.3 Inversely Connected Antenna
3.3.4 Faulty TRX
3.3.5 Faulty BTS Amplifier and TMA
3.3.6 Unblocked Clock
3.3.7 Other Faults
3.3.8 Summary
3.4 Intra-Network Interference
3.4.1 Co-Channel or Adjacent-Channel Interference
3.4.2 Interference Caused by Cross Coverage
3.4.3 Interference Caused by Tight Reuse
3.4.4 Interference Caused by Improper Data Configuration
3.5 Inter-Network Interference
3.5.1 Intermediate Frequency Interference Caused by the CDMA/DAMPS
3.5.2 Interference from Repeaters
3.5.3 Interference from Microwave Stations, Large-Power Stations, and Terrestrial Satellite Stations
4 Introduction to Anti-Interference Technologies
4.1 Channel Allocation Algorithm II
4.2 IRC
4.3 Burst Interference Check
5 Introduction to Interference Check Tools
5.1 Spectrum Analyzer
5.2 Directional Antenna
without pass , enjoy it
Koepret
==================
Please Kindly add thanks and my reputation , if you fell usefull
Contents
1 Overview
1.1 Symptoms of Network Interference
1.2 Classification of Interference Sources in the GSM System
2 Approaches to Finding Interference Problems
2.1 Finding the Interference Through Analysis of OMC Traffic Statistics
2.1.1 Finding the Interference Through the Interference Band Counter
2.1.2 Finding the Interference Through Frequency Scanning Performance Measurement
2.1.3 Finding the Interference Through RX Quality and Level Performance Measurement
2.2 OMC Alarms and Subscriber Complaints
2.3 Finding the Interference Through DT and CQT
2.4 Finding the Interference Through Signaling Tracing
2.5 Finding the Interference by Transmitting Idle Bursts on the TRX
3 Locating and Solving Interference Problems
3.1 Interference Location and Check
3.1.1 Determining an Interfered Cell Based on KPIs
3.1.2 Checking OMC Alarms
3.1.3 Checking Frequency Planning
3.1.4 Checking Cell Parameter Settings
3.1.5 DT
3.1.6 Locating the Interference Through a Spectrum Analyzer
3.1.7 Uplink Frequency Scanner for Idle TRXs
3.2 Locating Interference Problems
3.3 Interference Caused by Hardware Equipment
3.3.1 Poor Antenna Performance
3.3.2 Faulty Connectors in the Antenna System
3.3.3 Inversely Connected Antenna
3.3.4 Faulty TRX
3.3.5 Faulty BTS Amplifier and TMA
3.3.6 Unblocked Clock
3.3.7 Other Faults
3.3.8 Summary
3.4 Intra-Network Interference
3.4.1 Co-Channel or Adjacent-Channel Interference
3.4.2 Interference Caused by Cross Coverage
3.4.3 Interference Caused by Tight Reuse
3.4.4 Interference Caused by Improper Data Configuration
3.5 Inter-Network Interference
3.5.1 Intermediate Frequency Interference Caused by the CDMA/DAMPS
3.5.2 Interference from Repeaters
3.5.3 Interference from Microwave Stations, Large-Power Stations, and Terrestrial Satellite Stations
4 Introduction to Anti-Interference Technologies
4.1 Channel Allocation Algorithm II
4.2 IRC
4.3 Burst Interference Check
5 Introduction to Interference Check Tools
5.1 Spectrum Analyzer
5.2 Directional Antenna
without pass , enjoy it
Koepret
==================
Please Kindly add thanks and my reputation , if you fell usefull