Contents
1 Introduction 1
2 Glosary 1
2.1 Concepts 1
2.2 Abbreviations and acronyms 4
3 Capabilities 6
4 Technical Description 6
4.1 General 6
4.2 Service oriented Allocation of Resources on the Abis
interface (SARA) 8
4.3 Configuration of dedicated PDCHs in Packet Switched
Domain (PSD) 10
4.4 Handling of Packet Data traffic 15
4.5 Channel selection in Cicuit Switched Domain (CSD) 19
4.6 Return of PDCHs to Cicuit Switched Domain (CSD) 22
4.7 Main changes in Ericsson GSM system R10/BSS R10 24
5 Engineering guidelines 24
6 Parameters 26
6.1 Main controlling parameters 26
6.2 Parameters for special adjustments 26
6.3 Value ranges and default values 28
7 References 29
