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View Full Version : Original GSM BSS Network KPI (TCH Assignment Success Rate) Optimization Manual



koepret
2011-06-18, 12:57 PM
GSM BSS Network KPI (TCH Assignment Success Rate) Optimization Manual

Contents
1 Definition of TCH Assignment Success Rate
1.1 Recommended Formula
1.2 Signaling Procedure and Counters
2 Factors in Assignment Success Rate
2.1 Hardware Fault
2.2 Transmission Fault
2.3 Parameter Settings
2.4 TCH Congestion 3
2.5 Intra-network and Inter-network Interference
2.6 Coverage Problems
2.7 Antenna Problems
2.8 Repeater Problems
2.9 Mobile Phone Problems
3 Analysis Procedure and Optimization Method of Assignment Failures
3.1 Analysis Procedure
3.2 Analysis Procedure
4 Test Methods 3
5 Description of Assignment Requests
6 Cases of Optimizing Assignment Success Rate
6.1 High Assignment Failure Rate After BTS Capacity Expansion
6.2 High Assignment Failure Rate Because of Improper Parameter Settings
6.3 Decrease in Assignment Success Rate due to Insufficient Channel Resources
6.4 Low Assignment Success Rate Caused by Insufficient Ater Resources
6.5 Low Assignment Success Rate Because of Configuration of Half-rate Channels
7 Feedbacks on Assignment Success Rate

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Koepret
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