【资料名称】：ZTE UMTS Congestion Control Feature Guide

【资料作者】：zte

【资料日期】：2014

【资料语言】：英文

【资料格式】：DOC/DOCX

【资料目录和简介】：

TABLE OF CONTENTS
1Feature Attribute...............................................................................................5
2Overview............................................................................................................5
2.1Feature Introduction.............................................................................................5
2.1.1ZWF21-04-010 Congestion Control .....................................................................5
2.1.2ZWF21-05-001 Emergency Call...........................................................................6
2.1.3ZWF21-05-005 Service Pre-emption....................................................................7
2.1.4ZWF21-05-023 RAB Queuing..............................................................................7
2.2License Control....................................................................................................8
2.3Correlation with Other Features...........................................................................8
3Technical Description.......................................................................................9
3.1ZWF21-04-010 Congestion Control .....................................................................9
3.1.1Service Pre-emption .......................................................................................... 12
3.1.2RAB Queuing..................................................................................................... 12
3.1.3DCH Downgrade................................................................................................ 12
3.1.4Preemption of Resources at lur Interface........................................................... 18
3.1.5Node B Common Measurement......................................................................... 19
3.2ZWF21-05-005 Service Pre-emption.................................................................. 19
3.3ZWF21-05-023 RAB Queuing............................................................................ 25
3.4ZWF21-05-001 Emergency Call......................................................................... 27
3.5Handling Strategy When Band Exceeds Limit.................................................... 27
4Parameters....................................................................................................... 27
4.1Common Parameters......................................................................................... 27
4.2ZWF21-04-010 Parameters related Congestion Control..................................... 29
4.3ZWF21-05-023 Parameters related RAB Queuing............................................. 31
4.4Parameters related Handling Strategy When Band Exceeds Limit..................... 33
5Related Counters and Alarms ........................................................................ 35
5.1Related Counters............................................................................................... 35
5.2Related Alarms.................................................................................................. 36
6Engineering Guide .......................................................................................... 36
6.1Application Scenario.......................................................................................... 36
6.2Feature Activation Procedure............................................................................. 37
6.2.1ZWF21-04-010 Congestion Control ................................................................... 37
6.2.2ZWF21-05-001 Emergency Call......................................................................... 40
6.2.3ZWF21-05-005 Service Pre-emption.................................................................. 41
6.2.4ZWF21-05-023 RAB Queuing............................................................................ 41
Congestion Control
ZTE Confidential Proprietary3
6.3Feature Validation Procedure ............................................................................ 42
6.3.1ZWF21-04-010 Congestion Control ................................................................... 42
6.3.2ZWF21-05-001 Emergency Call......................................................................... 42
6.3.3ZWF21-05-005 Service Pre-emption.................................................................. 43
6.3.4ZWF21-05-023 RAB Queuing............................................................................ 44
6.4Feature Deactivation Procedure......................................................................... 44
6.4.1ZWF21-04-010 Congestion Control ................................................................... 45
6.4.2ZWF21-05-001 Emergency Call......................................................................... 45
6.4.3ZWF21-05-005 Service Pre-emption.................................................................. 45
6.4.4ZWF21-05-023 RAB Queuing............................................................................ 45
6.5Network Impact.................................................................................................. 45
7Abbreviation.................................................................................................... 46
8Reference Document....................................................................................... 47