TG-8.18.1_13-12

Report
TSB–88 For Public Safety LTE
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Proposal: release documents in phases
◦ First release:
 Basic LTE coverage modeling and verification concepts
such as tile reliability, service area reliability, data rate
channel performance criterion, etc.
 High-level overview of additional key LTE concepts
 Significant benefit in defining these basic coverage
modeling and verification concepts
 e.g. industry conversations have revolved around
questions like “what is LTE coverage”, “what do you
measure to validate LTE coverage”, etc.
 Focusing on key concepts will accelerate document
development and delivery
2
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Front matter
◦ Forward, introduction, scope statement, and
references
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Definitions and abbreviations
◦ Key LTE coverage modeling definitions such as Data
Rate Channel Performance Criterion (DRCPC), Tile
Reliability, Covered Area Reliability, Service Area
Reliability, etc.
3
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LTE Technical Performance Definitions and
Criteria
◦ Scope for First Document Release
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Service Area
Data Rate Channel Performance Criterion (DRCPC)
Contour Reliability
Tile Reliability
Tile-Based Area Reliability
Subscriber Distribution
Traffic Models and Loading
 Need to relate model load to field validation load
 Resource Block Sharing
4

Front Matter
◦ Forward, introduction, scope statement, and
references

Definitions and abbreviations
◦ Key LTE coverage verification definitions such as Data
Rate Channel Performance Criterion (DRCPC), Number
of Test Tiles, Tile-based Area Reliability, Validated
Service Area Reliability, etc.
5

Performance Confirmation
◦ Validated Service/Covered Area Reliability
◦ Determination of Number of Test Tiles (Outdoor
Only)
◦ Estimate of Proportions
◦ Pass/Fail Test Criteria
 The “Greater Than” Test
 The “Acceptance Window” Test
◦ Confidence Level
◦ Confidence Interval
6
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Size Constraints & Accessibility
◦ Outdoor
◦ Tunnel
◦ Indoor
◦ Accessibility
Treating Anomalous Tiles
In-Building Recommendations
LTE Coverage Acceptance Testing
◦ Traffic Load Emulation Procedures
◦ Data Rate Measurement Procedures
7

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