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Content for
TR 45.926
Word version: 16.0.0
0…
4…
4
Study Considerations
5
Objectives
6
Common Assumptions
7
Candidate Solution: BCCH Carrier Power Reduction Methodology
8
Candidate Solution: Output Power Reduction on BCCH Carrier for GMSK
9
Summary and Conclusions
A
Bibliography
$
Change History
4
Study Considerations
Word‑p. 9
4.0
General
4.1
Network Scenario Considerations
4.2
Energy Consumption of BTS
5
Objectives
Word‑p. 10
5.1
Performance Objectives: energy efficiency target
5.2
Compatibility Objectives
5.2.1
Avoid impact to voice user call quality
5.2.2
Avoid impact to data user session quality
5.2.3
Avoid impact to cell (re)selection and handover
5.2.4
Support of legacy MSs
5.2.5
Implementation impacts to new MSs
5.2.6
Implementation impacts to BSS
5.2.7
Impacts to network planning
Word‑p. 11
6
Common Assumptions
6.1
Reference Configuration
6.2
Evaluation Metrics
Word‑p. 12
6.3
Traffic Load profiles
6.4
Reference deployment scenarios
Word‑p. 13
6.5
MS characteristics
Word‑p. 16
6.5.1
BCCH carrier power measurement sampling
6.5.1.1
Idle mode
6.5.1.2
Connected mode
Word‑p. 18
6.5.2
BCCH carrier power measurement accuracy
6.5.3
BCCH carrier power measurement averaging
6.5.4
BSIC Decoding
6.5.5
Power reduction on TS preceding BCCH timeslot
Word‑p. 19
6.5.6
Handover, Cell Selection and Cell Reselection
6.5.7
Mobile velocity
6.5.8
Mobile station types
6.6
BTS characteristics
6.6.1
Network synchronization
6.6.2
Modelling of TRX power consumption
7
Candidate Solution: BCCH Carrier Power Reduction Methodology
Word‑p. 20
7.1
Introduction
7.2
Methodology
7.2.1
Variant 1
7.2.2
Variant 2
Word‑p. 21
7.3
Evaluation
7.3.1
Simulation Assumptions
Word‑p. 22
7.3.2
Evaluations
Word‑p. 23
7.3.2.1
Impacts to Radiated Power and Power Consumption
7.3.2.2
Impacts to Call Quality
Word‑p. 24
7.3.2.3
Impacts to Handover
Word‑p. 25
7.4
Conclusion
Word‑p. 26
8
Candidate Solution: Output Power Reduction on BCCH Carrier for GMSK
Word‑p. 27
8.1
Introduction
8.2
Concept Description
8.2.1
Overview
8.2.2
Exemplary Scenario
8.3
Concept Evaluation
Word‑p. 28
8.3.0
Overview
8.3.1
Simulation Model
8.3.1.1
Simulation Assumptions
8.3.1.2
Channel Allocation Strategies
Word‑p. 31
8.3.1.3
Deployment Scenarios and Network Layout
8.3.1.4
Output Power Reduction Settings on BCCH carrier
Word‑p. 32
8.3.1.5
Employed Link-to-System Mapping
Word‑p. 33
8.3.2
Simulation Results
8.3.2.1
Scenario S1
8.3.2.2
Scenario S2
Word‑p. 34
8.3.2.3
Scenario S3
Word‑p. 35
8.3.2.4
Scenario S4
Word‑p. 36
8.3.2.5
Scenario M1
8.3.2.6
Scenario M2
Word‑p. 37
8.3.2.7
Impact on performance of neighbour cell identification in connected mode
Word‑p. 38
8.3.2.8
Impact on performance of neighbour cell identification in idle mode
Word‑p. 39
8.3.2.9
Results for the alternative MS velocity
Word‑p. 41
8.3.2.9.1
Scenario S5
8.3.2.9.2
Scenario S6
Word‑p. 42
8.3.2.9.3
Impact on performance of neighbour cell identification in connected mode
Word‑p. 43
8.3.2.9.4
Impact on performance of neighbour cell identification in idle mode
8.3.3
Impact to Specifications
Word‑p. 44
8.3.3.1
Example implementation of option 2 in the specifications
Word‑p. 47
8.3.3.2
Example implementation of option 3 in the specifications
Word‑p. 50
8.4
Conclusion
Word‑p. 52
9
Summary and Conclusions
Word‑p. 53
A
Bibliography
Word‑p. 55
$
Change History
Word‑p. 56