VMs and Containers in NFV
Let’s face it – the NFV Infrastructure is built on hypervisors and virtual machines although the it/telco industry is also looking at containers to implement Virtualized Network Functions (VNFs).
Will SMS Outlive Us All?
Short Message Service While working for a well-known Swedish telecom equipment company in the mid 1990’s, me and my colleagues one day stumbled upon specs for a brand-new GSM service; SMS. “What an incredibly stupid idea” was our common verdict. “Nobody will ever send a Short Message to someone else by pushing two times on […]
Very sleepy IoT devices
In the Internet-of-Things there are various classes of devices with various requirements. Among them there are devices that 1) need to survive very long time (months, years) on a single, regular-capacity battery and 2) do not need to be reachable from the network or application server side. An environmental sensor hanging on a tree in […]
Why the World Needs More Green Paint
We’re currently building another film studio with a green screen at our offices in Stockholm, and I thought it might interest you to know why that is. The easy answer is: our first green screen studio is always booked! We record our own courses in that studio, live stream training to the whole world, and […]
The Challenge in the Security of IoT
With the growing number of Internet-connected devices the security of IoT becomes a serious challenge and concern. Already in 2016 tens of thousands of hacked cameras and video recorders were used in a massive distributed denial of service (DDoS) attack on number of websites, including Twitter, Spotify, Amazon, Reddit, Yelp and Netflix. Some Israeli researchers […]
5G NR vs 4G LTE
What is the difference between 5G NR and 4G LTE? The studies of 5G NR (New Radio) in 3GPP started in 2015 and later became the first NR specifications in Release 15 in 2018 focusing on the use cases eMBB (enhanced Mobile Broadband) and URLLC (Ultra-Reliable and Low Latency Communication). For the third IMT-2020 use […]
Will the MBMS Breakthrough Finally Come in 5G?
MBMS 5G Breakthrough Multimedia Broadcast/Multicast Service (MBMS) is a concept that has been lingering in the mobile telecom world for close to two decades now. The basic idea is that network resources are used to send the same multimedia content to everyone (broadcast) or to a group of subscribers (multicast) rather than sending content to […]
V2X in 5G – But How Will it Work?
We are back with a ‘talk’ about V2X in 5G! It now seems to be a well-established opinion that humans are actually not very good at driving cars. We occasionally get tired or distracted. Our brains may not even have the required processing power to analyze all the information which it is fed, resulting in […]
The Honest Truth about Online Training
I’m sure you’d agree that there are a lot of things that are easier to do online than physically going to a place and doing them. You’re not stupid. And still – Online Training often makes people react with a slightly grumpy things-were-better-when-I-was-a-kid kind of attitude. Even young people! Why is that? Here’s the thing: […]
How Do You Slice a Network?
In the world of telecommunications today, and particularly in the somewhat chaotic domain of 5G, the term “Network slicing” is thrown around a lot. It seems important. It’s mentioned by all the big standardizing bodies, and often named as a cornerstone of future telecoms. It’s also mentioned around a lot of offices and water coolers […]