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By | October 13, 2017 | 314 views

Measuring quality of experience in public benchmarking campaigns

When studying rankings of mobile operators in specialist publications, you often learn about maximum download and upload speeds, the reliability and availability of offered services, and data transport performance. These technical parameters describing quality of service (QoS) are the bedrock of a reliable mobile service and a well-performing network; they are the basis for subscriber satisfaction. But are they enough…

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By | September 14, 2017 | 714 views

SmartBenchmarker’s reliable alarming interface for easier drive tests

A reliable alarming interface is crucial for drive testing, even more so when your network engineers control a large drive test fleet remotely from the office, for example when benchmarking mobile networks with SmartBenchmarker. What the alarming system must provide and how it is used varies with each user role. In an earlier post, I talked about user roles. Here’s a…

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By | September 4, 2017 | 586 views

NB-IoT: field report with results from NB-IoT UE measurements (Part 3 of 4)

After the overview of IoT technologies with a focus on NB-IoT and the discussion about why scanners are a must for NB-IoT coverage measurements, part 3 of this blog series is a field report describing key results that can be obtained by using NB-IoT user equipment as data collection tools. For this, we connected pre-commercial NB-IoT modules and modems to…

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By | August 3, 2017 | 806 views

PIM testing: best practices in a nutshell

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. Before starting with PIM measurements, however, it is recommended to test return loss. The PIM analyzer transmits high power;…

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By | July 20, 2017 | 1,155 views

NB-IoT: scanners are a must for coverage measurements (part 2 of 4)

In part 1 of our series about NB-IoT, an “Overview of Internet of Things technologies with a focus on NB-IoT”, we described typical use cases and current technologies pertaining to the Internet of Things (IoT). We also identified that networks for IoT applications will be optimized for highest availability, particularly with regard to IoT applications under extreme receive conditions such…

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By | July 6, 2017 | 584 views

Device integration: detective work for mobile network testing solutions

Have you ever thought about device integration? Surely, you’ve heard or read about it; for example, in our recent press release announcing the complete integration of the Samsung Galaxy S8 smartphones into our product portfolio of mobile network testing solutions. Didn’t you then wonder what exactly device integration means? Unlike competitors’ claims, device integration is everything but simply connecting user and…

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By | June 22, 2017 | 1,246 views

NB-IoT: Overview of Internet of Things technologies with a focus on NB-IoT (part 1 of 4)

Use cases for the Internet of Things (IoT) are virtually unlimited. They include smart homes and buildings, wearables and smart fabrics, healthcare, telematics, smart cities, smart factories, and so on. This post provides an overview of current technologies with a focus on IoT developments made by the 3rd Generation Partnership Project (3GPP).  When it comes to mobile network testing in…

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By | June 13, 2017 | 1,527 views

Mobile Network Testing Forum 2017 event video

The 7th international Mobile Network Testing Forum (MNT Forum) at Rohde & Schwarz headquarters in Munich, Germany, attracted more telecom professionals than ever before: over 180 attendees from 33 countries took part in the unique bi-annual mobile network industry event made by experts for experts. The forum provided an ideal opportunity to discuss the most pressing topics in the cellular…

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By | June 8, 2017 | 909 views

Monitoring network performance is key to accessing 5G enterprise market

Whilst the ITU and 3GPP may still be finalizing the 5G specifications and it is not yet clear there what the 5G network will actually look like, at least we know the 3 target use cases for 5G: enhanced mobile broadband (eMBB), ultra-reliable low latency communications (URLLC), and massive machine type communications (mMTC). For operators, monitoring network performance in real…

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