kryptonic
2012-01-20, 01:15 AM
This document provides a high-level description of algorithms and parameters
of the Channel Switching feature. This is from ALEX
1 Introduction 1
1.1 Scope 1
1.2 Target Groups 1
1.3 Revision Information 1
2 Overview 3
2.1 FAJ 121 1389 Enhanced Uplink Transmission, CPC and
FAJ 121 1476 Enhanced Downlink Reception, CPC 4
2.2 FAJ 121 1552 Fast Dormancy Handling 4
2.3 FAJ 121 1537 High Speed Downlink for FACH 4
2.4 FAJ 121 1592 Battery Efficiency for High Speed FACH 4
3 Function Description 5
3.1 Basic Principles 5
3.2 Channel Switching Triggered by User Activity and DL Code
Power Coverage 5
3.3 Channel Switching Triggered by Capacity Management,
Mobility, and Other Functions 6
4 State Transitions and Evaluation Algorithms 9
4.1 UE States in Channel Switching 9
4.2 Single RAB State Transitions 10
4.3 Multi-RAB State Transitions 15
4.4 Channel Switching Evaluation Algorithms 17
5 Engineering Guidelines 25
5.1 General 25
5.2 Tuning of CELL_FACH to CELL_DCH Switching 25
5.3 Tuning of CELL_DCH to CELL_FACH Switching 25
5.4 Tuning of CELL_DCH to CELL_DCH Switching 27
5.5 Tuning CELL_FACH to URA_PCH Switching 28
5.6 Tuning URA_PCH to Idle Switching 28
5.7 Parameter Setting Related to Multi RAB State SP0 29
5.8 Tuning of Channel Switching for Smartphones and PCs 30
of the Channel Switching feature. This is from ALEX
1 Introduction 1
1.1 Scope 1
1.2 Target Groups 1
1.3 Revision Information 1
2 Overview 3
2.1 FAJ 121 1389 Enhanced Uplink Transmission, CPC and
FAJ 121 1476 Enhanced Downlink Reception, CPC 4
2.2 FAJ 121 1552 Fast Dormancy Handling 4
2.3 FAJ 121 1537 High Speed Downlink for FACH 4
2.4 FAJ 121 1592 Battery Efficiency for High Speed FACH 4
3 Function Description 5
3.1 Basic Principles 5
3.2 Channel Switching Triggered by User Activity and DL Code
Power Coverage 5
3.3 Channel Switching Triggered by Capacity Management,
Mobility, and Other Functions 6
4 State Transitions and Evaluation Algorithms 9
4.1 UE States in Channel Switching 9
4.2 Single RAB State Transitions 10
4.3 Multi-RAB State Transitions 15
4.4 Channel Switching Evaluation Algorithms 17
5 Engineering Guidelines 25
5.1 General 25
5.2 Tuning of CELL_FACH to CELL_DCH Switching 25
5.3 Tuning of CELL_DCH to CELL_FACH Switching 25
5.4 Tuning of CELL_DCH to CELL_DCH Switching 27
5.5 Tuning CELL_FACH to URA_PCH Switching 28
5.6 Tuning URA_PCH to Idle Switching 28
5.7 Parameter Setting Related to Multi RAB State SP0 29
5.8 Tuning of Channel Switching for Smartphones and PCs 30