DUBLIN–(BUSINESS WIRE)–The “5G:
The Greatest Show On Earth! Volume 3: Vikings Vs. Bears” report
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The author conducted a benchmark study of the Verizon Wireless 5G NR
networks in Minneapolis and Chicago. Although data speeds are
interesting, the author focused their efforts on metrics that have far
more implications on the long-term prospects for 5G NR, operating in
millimetre wave frequencies and supporting eMBB use cases. This work
also includes the Interdependencies between 5G NR and LTE.
Highlights of the Report:
-
Thanks – This study was done in collaboration with Accuver Americas,
Rohde & Schwarz, and Spirent Communications who provided the author
with their respective test equipment, which is identified in the
report. The author did all the testing and analysis of the data and
they are solely responsible for the commentary in the report. -
Methodology – The author captured chipset diagnostic messages from up
to two Motorola Z3 smartphones with/without the 5G Moto Mod, as well
as scanner information in the two networks. Using sustained, high
bandwidth data transfers (UDP and TCP), they performed walk tests and
drive tests, not to mention sensitivity studies involving grip, device
positioning, and sudden turns. We also did multiple user experience
tests involving popular applications to determine if the applications
and services took full advantage of the network capabilities. -
The Results – Although the author observed sustained PDSCH Layer data
speeds of 1.1 to 1.2 Gbps on numerous occasions and a peak data speed
of at least 1.5 Gbps, they believe the long-term prospects for
millimetre wave are better defined by parameters, such as BRSRP and
BSINR, and how these parameters are impacted by distance as well as
near/non-line-of-site conditions. RF reflections remain alive and well. -
A bit “Wonky” – Although the network performance was a bit wonky, it
wasn’t a direct result of millimetre wave, or at least the issues the
author documented can easily be overcome. Device/modem stability,
support for beam management, increased utilization and more efficient
use of the 5G NR radio channels top the list, as does improving the
interdependencies with the LTE network. The use of 1,024 element
arrays in the gNB radio and/or the mixed use of wide beams and narrow
beams will further improve coverage and capacity. -
The Importance of LTE – When operators deploy 5G NR FR2, they
frequently use a small cell architecture. As the author witnessed in
their tests, and in an earlier series of small cell studies, there is
a substantial capacity gain with LTE and small cells. Furthermore,
operators are also taking advantage of LAA. In the case of Verizon,
the Motorola Z3 (w/ 5G Moto Mod) simultaneously used five LTE
carriers, including three unlicensed bands in Chicago. -
A Paradigm Shift – 5G NR FR2 doesn’t need to provide ubiquitous
coverage, especially once operators deploy 5G NR in cellular bands and
incorporate carrier aggregation. Given the results of user experience
tests, it is clear that 5G NR FR2 isn’t about peak speeds to
individual users, but the total capacity that it offers.
Companies Mentioned
- Accuver Americas
- Motorola
- Rohde & Schwarz
- Spirent Communications
- Verizon
Key Topics Covered
1. Executive Summary
2. Key Observations
3. Aggregate Results and Analysis
4. Detailed Results for Select Test Scenarios
4.1 KPIs versus Cell Site Distance
4.2 Chicago Walk Test
4.3 Interesting Millimeter Wave Behavior
4.3.1 PCI 229 (with a little help from PCI 49, PCI 50 and PCI 227)
4.3.2 PCI 107
4.3.3 PCI 99
5. User Experience and Sensitivity Test Results
5.1 Popular Applications
5.2 Grip
5.3 Portrait versus Landscape and Circular Movement
5.4 LAA versus 5G NR FR2
5.5 UDP Versus TCP
6. Test Methodology
7. Final Thoughts
For more information about this report visit https://www.researchandmarkets.com/r/tj6h0o
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