Field measurements in mobile networks for regulators

April 15, 2024 | by Anna Llagostera

Field measurements are very valuable to regulators or national regulatory authorities (NRAs), since they provide data required to comply with regulations, investigate customer complaints, enhance service quality for consumers, promote healthy competition among operators and facilitate network expansion for the telecommunications sector.

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Testing the speech quality dimensions – the new POLQA extension ITU-T P.863.2

October 26, 2023 | by Anna Llagostera

Telephony remains a core function of telecommunications networks and speech quality is a key indicator of telephony service performance. The current ITU-T standard for speech quality assessment P.863 'POLQA' has recently been enhanced to predict multiple perceptual quality dimensions.

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Interactivity test: Testing service availability (part 9)

September 1, 2023 | by Meik Kottkamp

5G NR is a cellular technology that supports ultra reliable low latency (URLLC) services. Latency and high throughput have become important KPIs and the interactivity test from Rohde & Schwarz can take measurements in the field by combining access to transport capacity (bit rate), transport latency and transport continuity, all in a single test case.

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Improving 5G and LTE layer 3 message flow readability

June 07, 2023 | by Magnus Hylén

Read more about radio resource control layer 3 signaling in 5G NR and LTE networks (connection control, measurement configuration and mobility procedures).

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Interactivity Test: ITU-T Recommendation G.1051 (part 8)

May 11, 2023 | by Jens Berger

Data transport latency has become an important factor in interactive and real-time usage of next generation mobile networks. Measuring latency under realistic traffic conditions and quantifying perceived interactivity are important building blocks in network performance evaluations. The new Recommendation ITU-T G.1051 uses Rohde & Schwarz latency measurements and interactivity tests as international standards.

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EVS AMR-WB IO speech quality improvements in telephone services

March 24, 2023 | by Anna Llagostera

This post looks at recent results from an internal study of speech quality improvements when the EVS AMR-WB IO mode is used in conjunction with the legacy AMR-WB encoder.

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Interactivity test: Dependency of packet latency on data rate (part 7)

January 26, 2023 | by Jens Berger

Data transport latency has become a very – if not the most – important factor in interactive and real-time use cases for next generation mobile networks. Latency is not a constant; it can vary over time but can also depend on data rate and packet stream characteristics. The following analyzes packet latency and its dependency on data rate and packet size in a few example mobile networks.

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When Rohde & Schwarz meets research - a success story!

November 25, 2022 | by Marco Neri

Read the interview with Özgü Alay, PhD, Associate Professor at the University of Oslo, and Giuseppe Caso, Experienced Researcher at Ericsson Research, Stockholm, about the 2020 measurements of commercial 5G networks in Italy.

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Interactivity test: Packet delay variation and packet loss (part 6)

October 17, 2022 | by Jens Berger

Data transport latency has become a very – if not the most – important factor in interactive and real-time use cases for next generation mobile networks. Real-time capability is not determined by the average latency at which the packets are delivered, but rather by the latency of the slowest packets. The following analyzes delay jitter and the packet loss in the uplink and downlink.

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5G NR and LTE latency analysis in a public network (part 1)

August 29, 2022 | by Meik Kottkamp

This article provides measurements results for both one-way latency (OWL) and round-trip times (RTT) in a commercially deployed, public 5G NSA network obtained using the commercially available Interactivity Test based on the QualiPoc Android solution for RTT from Rohde & Schwarz (prototype for OWL).

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Coverage and performance testing of 5G private networks

July 8, 2022 | by Gregor Tomic

Private networks are becoming more important in various industries that, however, still seems to be in the trial phase with 5G and various use cases. Our experience with recent measurement campaigns shows that we still have a long way to go to meet the targets for latency and throughput in high traffic networks. Read our story to get more information about how to test the quality of private 5G networks.

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Interactivity test: Impact of changing network conditions on latency and jitter (part 5)

February 17, 2022 | by Jens Berger

Data transport latency has become a very – if not the most – important factor in interactive and real-time use cases for next-generation mobile networks. Real-time capability is not determined by how fast the packets are delivered but by which ones are received last. The following analyzes the distance data packets have to travel in mobile network channels when network conditions change.

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Benchmarking & optimization

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Field services & interference hunting

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Innovations in mobile network testing

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New e-book provides unparalleled insight into the 5G NR world

What's the status of 5G NR? What are the test and measurement requirements, and how do we approach them? Download our new e-book now and get unparalleled insight into the world of 5G NR.

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The world's first 5G NR network measurement solution

Rohde & Schwarz is pioneering 5G New Radio (5G NR) network measurements with the world's first commercially available 5G NR network measurement solution. This solution enables users in the 5G network ecosystem as well as regulators to measure the 5G NR network coverage accurately - one of the biggest challenges in the network planning.

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Pioneers in NB-IoT field measurements

We are paving the way to NB-IoT by provding the world's first accurate LTE/NB-IoT coverage measurement solution: via a software upgrade, the R&S ROMES drive test software now also supports NB-IoT coverage measurements with R&S TSMx scanners.

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