1. LTE Coverage Design and Performance Verification
TSB–88 For Public Safety LTE

2. Key Attributes of the Proposed LTE Coverage Design Procedure
Follow the well established TSB–88 definitions and procedures; however, using the LTE DRCPC
Data Rate Channel Performance Criterion (DRCPC) is the LTE coverage design criterion.
DRCPC is the minimum data rate required to meet the coverage design goal for a given application
The coverage design is done at a specific traffic load level
Interference depends on the LTE traffic load; therefore, coverage depends on the traffic load.
How about OOB IF?
Limit TSB – 88 update to LTE coverage design and verification for initial release

3. LTE Coverage Example
The DRCPC for this example is 500 kbps inbound and 1000 kbps outbound
The coverage boundaries are determined by the DRCPC
For performance verification, the data rate is measured throughout the service area
Measured data rate in a given geographic tile is compared to the DRCPC

4. Proposed LTE Coverage Design Procedure Chapter Outline

5. Key Attributes of the Proposed LTE Verification Procedure
The primary verification criterion is measured data rate using
The verification procedure must provide a method to configure the traffic load to emulate the design traffic load
Downlink only?
Follow the well established TSB–88 definitions and procedures for measuring service area or covered area reliability
Define a grid of test tiles
Measure data rate in each tile and compare the measured data rate to the design DRCPC.
Need details on time averaging, etc.
Calculate the measured reliability as the ratio of test tiles with measured data rate greater than the DRCPC to the total number of test tiles
Limit TSB – 88 update to LTE coverage design and verification for initial release

6. Proposed LTE Verification Procedure Chapter Outline

7. Document Development Proposal
Create two new documents in the TSB–88 series
“Recommended Methods for Broadband Performance Modeling”
“Broadband Performance Verification”