Author: Arnd Sibila

“I see myself as a technical consultant”, says Arnd Sibila, Technology Marketing Manager. With a master’s degree in electrical engineering and more than 25 years of experience in the wireless communication industry, he is passionate about sharing his expertise on all radio-related technology topics from 2G to 5G to the latest applications, for example, video streaming. Arnd thrives on engagement. Holding seminars, leading trainings, or giving presentations, Arnd always finds himself deep in discussion with customers. He’s eager to understand their challenges and offer advice and solutions to get more value out of a network.

By | January 19, 2017 | 1,960 views
 

Smart macro network enhancements: antenna tilt optimization

Antenna tilt optimization is a cost-efficient and smart approach to increase the capacity in mobile networks. Today, operators have to focus more and more on data capacity and network densification. Also, particularly in urban and dense urban environments, macro cells need to be smaller and coverage needs to be limited. One important method to achieve this is antenna downtilting. It…

 
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By | December 29, 2016 | 11,640 views
 

Smart macro network enhancements: 4×4 MIMO

The various macro network enhancements available today offer a cost-efficient and smart approach for capacity increase in mobile networks. In the first part of this series, we provided an overview of the hardware-related capacity enhancing features and discussed carrier aggregation in detail. The second part of this series discusses higher order MIMO antenna configurations, particularly 4×4 MIMO. The potential of…

 
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By | December 16, 2016 | 1,208 views
 

Smart macro network enhancements: carrier aggregation

The popularity of app services among smartphone users poses a serious challenge to mobile operators: data consumption is soaring; and with an expected 10-fold increase in the next 5 years, investments to merely transfer the sheer amount of data are inevitable. So, how can network operators best address these increasing network capacity and performance demands? Carrier aggregation is one option….

 
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By | November 17, 2016 | 637 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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