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Audit Report.FDD-TDD Carrier Aggregation in Fayetteville, NC
Predefined Polygon was provided by Sprint. Walk Test Locations: Airborne & Special Operarions Museum and Fayetteville
Regional Airport
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Measurement overviewMeasurement setup
Test locations
umlaut tested and measured the performance of full
buffer test with multiple threads (Accuver tool) focusing on
downlink and uplink throughout using the latest 5G capable
smartphones. One Samsung Galaxy S10 had FDD-TDD
CA enabled and other without feature.
The analysis is based on data aggregated over 1 sec for
the measurement.
umlaut Test Details
Test Devices Samsung Galaxy S10 had FDD-TDD CA enabled and other without feature
Test Scenarios Default setting, Extended setting
Test Type Drive test, Walk test (including at least 50% of tests in-building where feasible)
Test Dates 4 measurement days in October 2019
The testing was conducted within a specific test cluster in
Fayetteville, NC.
Over 120 miles of network performance assessments were
conducted in a moving vehicle as well as both on-street
and in-building walk sessions were conducted in October
2019.
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Key takeaways
Up to 61% CoverageIncrease for 2.5 GHz
FDD/TDD CA Area
2.5 GHz
CA
1.9 GHz
CA
CA
CA
CA
CACA
Drive TestFDD-TDD CA Coverage Gain
*Walk test includes both indoor and on-street tests
10%
7%
11%
50%
Walk Test
17% Increase
61% Increase
Extended Setting
Default Setting
Sprint’s FDD-TDD Carrier Aggregation improves Network Coverage up to 61% for 2.5 GHz
Sprint’s FDD-TDD Carrier Aggregation improves Network Speed up to 38%
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Data resultsHighlights
All Samples Aggregated
Galaxy S10 w/ FDD-TDD CA Enabled
Galaxy S10 w/ FDD-TDD CA Disabled (GS10E-GS10D)
Extended Traff ic Mgmt. Settings
DefaultTraff ic Mgmt.
Settings
Extended Traff ic Mgmt. Settings
DefaultTraff ic Mgmt.
Settings
Extended Traff ic Mgmt. Settings
DefaultTraff ic Mgmt.
Settings
Drivtest
Time on FDD-TDD CA (%) 16.70% 7.30%
DL Throughput (Mbps) 28.43 28.65 24.97 25.03 13.86% 14.46%
Walktest
Time on FDD-TDD CA (%) 60.60% 50.10%
DL Throughput (Mbps) 32.9 29.85 16.15 21.62 103.72% 38.07%
umlaut AG
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cell +49 151 571 33 235 · [email protected]
www.umlaut.com
in close cooperation with
Sprint Corporation
6391 Sprint Parkway, Overland Park, KS, 66251-4300
