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NB-IoT: Field report with results from NB-IoT UE measurements (part 3)

September 4, 2017 | by Magnus Hylén

This field report describes key measurement results that we obtained by using NB-IoT user equipment (UE) as data collection tools. Read on and discover our findings from connecting pre-commercial NB-IoT modules and modems to the R&S®ROMES4 drive test software for network engineering and optimization.

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PIM testing: Best practices in a nutshell

August 3, 2017 | by Yunuen Wagner

When it comes to PIM testing, the necessary steps to identify passive intermodulation (PIM) and locate its source are similar to interference hunting. In the end, PIM is an internal source of interference and can have a significant impact on network performance.

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NB-IoT: Scanners are a must for coverage measurements (part 2)

July 20, 2017 | by Manuel Mielke

In a previous article, we described typical use cases of the Internet of Things (IoT). We identified that networks for IoT applications would be optimized for the highest availability, particularly for applications under extreme receive conditions such as smart meters. Learn here how scanners help to master the coverage challenge.

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NB-IoT: Overview of Internet of Things with a focus on NB-IoT (part 1)

June 22, 2017 | by Arnd Sibila

Use cases for the Internet of Things (IoT) are virtually unlimited, from smart homes and buildings to wearables and fabrics to healthcare and factories. Get an overview of the current technologies and IoT developments made by the 3GPP and learn why network coverage is a key concern in the IoT market.

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Monitoring network performance is key to accessing 5G enterprise market

June 8, 2017 | by Jeremy Carpenter

While the 5G specifications are still being finalized, it is clear that operators wanting to access the new industry verticals will significantly benefit from monitoring network performance carefully. Learn how the SmartMonitor management software manages multiple probes and schedule tests remotely, giving high-level feedback in real time.

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How temperature affects system design: The basics

May 11, 2017 | by Andreas Richard

Our network benchmarking systems have to work at -40°C for customers in Canada and +45°C for customers in Dubai. This temperature range of 85°C significantly impacts system design. Learn how temperature can affect signal integrity, user equipment, and user experience and discover our solution to overcome the temperature challenge.

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HetNets/small cells: Indoor deployments overview

March 16, 2017 | by Arnd Sibila

Discover how indoor deployments can help operators meet the exponentially growing data demands in mobile networks. In this overview, we will outline the indoor deployment process and deliberate the pros and cons of different types of indoor deployments, such as distributed antenna systems (DAS) and small cells.

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Proofing and optimizing a network’s readiness for video transmission

February 23, 2017 | by Jens Berger

Examine how applying a video quality measure helps mobile network operators to optimize their networks. Learn about the challenges that operators face when quantifying video services as consumed by subscribers and discover how operators can benefit from the results of a video quality measure, i.e., a video test.

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Smart macro network enhancements: Antenna tilt optimization (part 3)

January 19, 2017 | by Arnd Sibila

Antenna tilt optimization is a cost-efficient and smart approach to increase the capacity in mobile networks, especially in dense urban areas. Given the exponentially growing data demand and network densification, discover how operators can optimize their network in terms of coverage and capacity by adequately aligning their antennas.

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Identifying passive intermodulation

January 12, 2017 | by Yunuen Wagner

How does passive intermodulation differ from external interference? This article examines the differences and sheds some light on best practices that help field engineers to distinguish one from the other easily. As switching the site off is not always feasible, could the TX power be varied?

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Smart macro network enhancements: 4×4 MIMO (part 2)

December 29, 2016 | by Arnd Sibila

The various macro network enhancements available today offer a cost-efficient and smart approach for capacity increase in mobile networks. In part 1 of this series, we provided an overview of the hardware-related capacity enhancing features and discussed carrier aggregation (CA). Now we will discuss higher-order MIMO antenna configurations, particularly 4×4 MIMO.

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Evaluating visual quality and video MOS based on subjective perception

December 21, 2016 | by Jens Berger

How do you measure video quality as perceived by end users? The video’s actual visual quality is only one of many factors determining customer satisfaction with the service; other determiners include the service’s structure and the user’s experience and expectations. For real field video quality measurements, reference measurements are necessary.

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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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