This document provides information on how to identify and repair common faults on RAN equipment that is working in a live network. Operation and maintenance (OM) personnel should use this guide in the following scenarios:
User complaints are received
Faults are detected in the routine maintenance processes
Emergency faults are detected in the equipment
Alarm analysis
1 Troubleshooting Process and Methods
2 Common Maintenance Functions
3 Troubleshooting HSPA Service Setup Failures
4 Troubleshooting HSUPA Data Transmission Faults
5 Troubleshooting HSDPA Service Rate Faults
6 Troubleshooting SLC Faults
7 Troubleshooting RRC Connection Setup Failures
8 Troubleshooting RAB Setup Faults
9 Troubleshooting Call Drops
10 Troubleshooting Handover Faults
11 Troubleshooting Paging Faults
12 Troubleshooting OM Faults
13 Troubleshooting ATM Transmission Faults
14 Troubleshooting IP Transmission Faults
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