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 ... read more
Years ago the world of core network signalling of the 3GPP mobile and fixed networks was full of specialized, ever-expanding protocols from the SS7 family: ISUP, MAP, INAP, CAP… Each designed to support yet another novel service concept – digital voice calls, services of Intelligent ... read more
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 ... read more
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 ... read more
Looking for 5G, IoT and NFV training in Asia? Maybe in Singapore or Kuala Lumpur this Autumn? Search no more! We are here for you, providing the following trainings: 5G System Overview (<- Click) 5G New Radio and NGRAN (<- Click) Mobile IoT Overview (<- Click) NB-IoT and LTE-M (<- ... read more
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, ... read more
With new and improved technology to support high connection speeds and low latencies, the traditional relation between the doctor and the patient is moving into new opportunities for health support, so called eHealth. We already have seen the introduction on applications with doctors ... read more
Difference 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 ... read more
For a long time, we have been using circuit-switched mobile (and fixed) telephony. This was set to change with the introduction of IMS. In 3G. I’m not sure if you noticed this, but phone calls stayed circuit-switched all throughout the 3G era. With 4G, however, we managed to put all the bits ... read more
Remember the Free 5G Radio Webinar we had on September 4th 2018? We have recorded this 5G NR Webinar for you and here it is! Recorded 5G NR Webinar Just to freshen up your mind, this is where the webinar with speaker Erik Dahlman is about: 5G is on it’s way The expectations on 5G are huge! ... read more