Tariq
2011-03-31, 07:28 PM
Here is a doc that some of you might find useful
Contents
1 General 3
1.1 Steps of the Handover Process 4
1.2 Types of Handover 5
1.3 Handover Causes 6
1.4 Flags to Enable/Disable Handover Types and Causes 8
1.5 Comments 9
2 Measurement Preprocessing 11
2.1 Measurement Values 12
2.2 Summary of Measurement Values for Handover 16
2.3 Measurement Reporting and Neighbor Cell Book-Keeping 17
2.4 Illustration of Measurement Preprocessing 21
2.5 Parameters for Measurement Preprocessing 22
2.6 Remarks 23
3 Threshold Comparisons and Handover Detection Algorithms 25
3.1 Decision Criteria 26
3.2 Handover Regions 27
3.3 Power Budget 28
3.4 Parameters for Handover Decision 29
3.5 Priorities of Handover Causes 31
3.6 Limitation of Intracell Handover Repetition 32
3.7 Prevention of Back-Handover 34
3.8 Limitation of Handover Failure Repetition 36
3.9 Remarks 38
4 Target Cell List Generation 43
4.1 Conditions for Neighbor Cells to be included in the Target Cell List 44
4.2 Order Criterion for HandoverCandidate Cells within the Target Cell List44
4.3 Evaluation of the Target Cell List 45
5 Handover Signaling and Timers 47
5.1 Parameters and Timers for Handover Signaling 48
6 Preemption, Directed Retry, Queuing 51
6.1 Parameters for Preemption and Queuing 53
6.2 Directed Retry 57
6.3 Parameters for Directed Retry 61
7 Enhancements introduced with BR6.0 63
7.1 HO Decision due to BSS Resource Management Criteria 64
7.2 Fast Uplink Handover 68
7.3 Introduction of "Level Handover Margin" Parameter 73
7.4 Enhanced Pairing for Half-Rate Channels 75
8 Handover related Performance Measurements 79
9 Exercise 85
NO password
Contents
1 General 3
1.1 Steps of the Handover Process 4
1.2 Types of Handover 5
1.3 Handover Causes 6
1.4 Flags to Enable/Disable Handover Types and Causes 8
1.5 Comments 9
2 Measurement Preprocessing 11
2.1 Measurement Values 12
2.2 Summary of Measurement Values for Handover 16
2.3 Measurement Reporting and Neighbor Cell Book-Keeping 17
2.4 Illustration of Measurement Preprocessing 21
2.5 Parameters for Measurement Preprocessing 22
2.6 Remarks 23
3 Threshold Comparisons and Handover Detection Algorithms 25
3.1 Decision Criteria 26
3.2 Handover Regions 27
3.3 Power Budget 28
3.4 Parameters for Handover Decision 29
3.5 Priorities of Handover Causes 31
3.6 Limitation of Intracell Handover Repetition 32
3.7 Prevention of Back-Handover 34
3.8 Limitation of Handover Failure Repetition 36
3.9 Remarks 38
4 Target Cell List Generation 43
4.1 Conditions for Neighbor Cells to be included in the Target Cell List 44
4.2 Order Criterion for HandoverCandidate Cells within the Target Cell List44
4.3 Evaluation of the Target Cell List 45
5 Handover Signaling and Timers 47
5.1 Parameters and Timers for Handover Signaling 48
6 Preemption, Directed Retry, Queuing 51
6.1 Parameters for Preemption and Queuing 53
6.2 Directed Retry 57
6.3 Parameters for Directed Retry 61
7 Enhancements introduced with BR6.0 63
7.1 HO Decision due to BSS Resource Management Criteria 64
7.2 Fast Uplink Handover 68
7.3 Introduction of "Level Handover Margin" Parameter 73
7.4 Enhanced Pairing for Half-Rate Channels 75
8 Handover related Performance Measurements 79
9 Exercise 85
NO password