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By | December 28, 2017 | 703 views
 

NB-IoT: how to test quality of service in NB-IoT networks

NB-IoT networks are designed for machine-to-machine communication, which generally requires low data rates. When building NB-IoT networks, it is essential to test the performance of new implementations to ensure that the required network quality is available. Tests to measure quality of service (QoS) in NB-IoT networks are typically performed with NB-IoT modules that are controlled by software. Our measurement software…

 
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By | September 4, 2017 | 1,191 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 | July 20, 2017 | 1,859 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 | June 22, 2017 | 1,939 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 | December 9, 2016 | 448 views
 

VoLTE is real, VoLTE is now – the latest measurement results

In early 2015, the first operators enabled Voice over LTE (VoLTE) for their customers in Europe. This requires LTE coverage, a VoLTE-capable phone and – at least in the first months – a dedicated subscription. Today, LTE coverage is widely available and state-of-the-art devices support VoLTE natively. Now is the time to answer some questions: Does VoLTE improve telephony for…

 
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