【資料名稱】：SDCCH分配指導書

【資料作者】：愛立信

【資料日期】：2007

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

Contents
1 Revision History 1
2 Scope of This Document 3
3 Introduction 5
4 Events That Require an SDCCH 7
4.1 Normal Locating Updating 7
4.2 IMSI Attach/Detach 7
4.3 Periodic Registration 8
4.4 Call Set-up 8
4.5 Short Message Service Point to Point (SMS p-p) 8
4.6 Location Based Services 9
4.7 Facsimile Group 3 Set-up 10
4.8 False Accesses 10
5 Possible Configurations and Limitations 11
5.1 SDCCH Configurations 11
5.2 SDCCH Limitations 12
6 Automatic SDCCH Dimensioning 15
6.1 Basic SDCCH Configuration 15
6.2 BTS Power Savings 16
7 Manual SDCCH Dimensioning 17
7.1 SDCCH Grade of Service 17
7.2 SDCCH Grade of Service with Immediate Assignment on
TCH 18
7.3 SDCCH / TCH Ratio 20
7.4 Half Rate 21
7.5 Extended Range 22
7.6 High Speed Circuit Switched Data 22
7.7 BTS Power Savings 23
7.8 SDCCH Traffic Estimations 23
7.9 Recommended configurations 28
8 Dimensioning Based on STS-data 29
8.1 Cells With No Congestion 29
8.2 Cells with Congestion 29
9 Summary 31
10 Parameters 33
10.1 BSC Parameters 33
10.2 MSC Parameters 34
11 Appendix A - Immediate Assignment on TCH Not Used 37
12 Appendix B - Immediate Assignment on TCH Used 43
13 Appendix C - Recommended SDCCH Configurations 47
Glossary 51
Reference List 53
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