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Mobile network testing

Author: Jens Berger

Stories by Jens Berger

Jens Berger is the full-time Senior Director Applied Research and has a strong interest in exploring the latest technologies and their performance. Jens has a Ph.D. in Electrical Engineering and defines test scenarios for R&S product lines as well as signal analysis and objective quality models for audio, video and data services and applicable scoring models. Berger holds several patents for testing and measurement procedures and leads the “Perceptual-based objective methods for voice and audio quality measurements in telecommunications services” group at ITU-T, actively supporting our international standardization efforts. In his posts, he delights in reproducing human perception as accurately as possible, scoring network performance and finding ways to ensure the best telecommunications experience for users.

4K mobile video as gateway into new services

May 27, 2021 | by Jens Berger

Rohde & Schwarz MNT has implemented YouTube 4K video testing for new video services. Networks are ready to transmit 4K video, smartphones can process it and video apps are streaming it. The next logical step is to test mobile 4K video streaming from YouTube, the internet’s most popular mobile video streaming service.

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End-user quality of experience (QoE) 5G network evaluation for three major US network operators

March 31, 2021 | by Jens Berger

The independent wireless industry research experts at Signals Research Group (SRG) worked with Rohde & Schwarz MNT on a 5G network quality benchmarking study in the Dallas area, a major U.S. telecommunications hub, comparing the performance of three tier-1 US network operators.

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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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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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Challenges of mobile video services for network operators

November 24, 2016 | by Jens Berger

Mobile video services demand by far the most significant chunk of data in today's mobile networks. Their performance has a considerable impact on customer satisfaction. Learn about the characteristics that drive user satisfaction and understand the key metric for video quality perceived by the end user.

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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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Testing from RF to QoE

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