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By | October 13, 2017 | 1,592 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 | June 13, 2017 | 4,381 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 | February 23, 2017 | 2,769 views
 

Proofing and optimizing a network’s readiness for video transmission

In previous entries of this blog series about the challenges of mobile video services, we discussed video quality as a perceived metric, how it can be measured, and how quality measuring algorithms work. To conclude the series, this post focuses on how to apply a video quality measure to quantify video services as consumed by subscribers. What are the challenges…

 
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By | December 21, 2016 | 2,472 views
 

Evaluating visual quality and video MOS based on subjective perception

Video services are very popular and so is their use today in various services and media. YouTube and Netflix are merely the pioneers in video streaming; many other services have followed. Broadcasting stations move more and more content online, videos are shared via social media, and peer-to-peer applications are on the rise; for example, video chat services (e.g. Skype), or…

 
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By | November 24, 2016 | 990 views
 

Challenges of mobile video services for network operators

Mobile video services by far demand the biggest chunk of data in today’s mobile networks. According to the Cisco Visual Networking Index (VNI) Forecast 2016, by 2020, video services will account for 75% of all data consumption. The performance of video services has a large influence on customer satisfaction. For the mobile network operator, the decision to deliver higher or…

 
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By | November 17, 2016 | 874 views
 

Webinar report: mobile video quality testing

Video is ubiquitous. The performance of video services in mobile networks is fundamental to customer satisfaction and quality of experience. Video quality testing in mobile networks is challenging; but with the right tools and measurement approaches, it proves highly successful.  Today, there is a general tendency towards higher resolutions. This is in line with increasing transport capacities of networks, high-resolution…

 
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