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interactivity test: impact of changing network conditions on latency and jitter (part 5)

february 17, 2022 | by jens berger

data transport latency has become a very – if not the most – important factor in interactive and real-time use cases for next-generation mobile networks. real-time capability is not determined by how fast the packets are delivered but by which ones are received last. the following analyzes the distance data packets have to travel in mobile network channels when network conditions change.

testing can make open ran a success

january 31, 2022 | by magnus hylén

the biggest challenges the industry faces with open ran include the interoperability of different elements from different vendors and generating performance levels similar to those of single vendor networks. extensive testing can help overcome these challenges.

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procedures for mobile network testing and efficient data collection

november 22, 2021 | by jens berger

how is network performance tested and rated? the answer to this question is essential to mobile network operators, mobile infrastructure vendors, regulators and authorities responsible for ensuring telecommunication services meet performance standards.

interactivity test: distance to server impact on latency and jitter (part 4)

september 28, 2021 | by jens berger

data transport latency is a very – if not the most – important factor for interactive and real-time use cases in future mobile networks. today the focus is often on maximizing bitrate and transport capacity for fast downloading, but future applications will require extremely low latency for real-time interactions.

how network testing ensures high quality in-building lte and 5g deployments

august 17, 2021 | by adrian maurer

the popularity of app services, particularly video streaming, among smartphone users is expected to result in a 10-fold increase in data consumption over the next five years. most of today’s mobile data traffic is generated indoors and this trend is set to continue into the future. while indoor use certainly includes users’ homes, in this context it mostly concerns large offices, public buildings and commercial properties.

understanding and troubleshooting interference in 5g nr networks

july 22, 2021 | by manuel mielke

interference is a complicated topic with manifold root causes and impacts on network performance. so, let's try to simplify the topic of interference by giving it some structure. in our last blog posts about network synchronization we learned a lot about internal interference, which comes from the network itself e.g. due to a lack of time synchronization. now let's take a look at the second type of interference. it is called external interference.

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measurement examples of live 5g mobile networks that support dss (part 4)

july 5, 2021 | by andreas roessler

the last dynamic spectrum sharing (dss) blog post examined the test and measurement methodologies for testing 4g long term evolution (lte) and 5g new radio (nr) networks that support dss. the fourth and final post discusses live measurements from mobile networks that support 4g lte and 5g nr coexistence in the same frequency band.

4k mobile video as a 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.

network tests pave the way for smart factories

may 23, 2021 | by arnd sibila

5g has everything future smart factories need for wireless connectivity, but network tests are essential to make setting up and operating these networks easy and reliable.

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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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dss: measurement aspects of testing lte and 5g networks (part 3)

march 24, 2021 | by andreas roessler

after examining the technological background of dynamic spectrum sharing (dss) and how it enables 4g lte and 5g new radio coexistence in part 1 and 2 of this article, we will now discuss the test and measurement aspects for mobile networks that support dss.

network synchronization in the time domain (part 2)

march 5, 2021 | by manuel mielke

network operators have to make sure that synchronizing their networks will not produce any interference. synchronization can affect several levels, these include synchronization on a relative time base, which was part of the blog post part 1 and extend to synchronization on an absolute time raster. why? you can read all about it in part 2 of our blog post.

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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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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