Luften är fri även för Jon Karlung (krönika)

Fria frekvenser är just fria. Det är kanske den mest demokratiserade användningen av frekvensband man kan tänka sig. Det finns regler för banden, de är tillgängliga för alla och det gör att de är en lika demokratiskt fördelad resurs som luften vi andas, typ. Men, även om luften är fri, så finns inte en gemensam …

climate IoT

Can IoT make an impact on the climate?

First published in Visions for Europe number 2 · 2024 Nowadays, everything is getting more and more connected. The digitalisation of our society during and after the pandemic has genuinely accelerated. The innovators are presenting innovations. The product developers are launching newer and more innovative products, one after the other. Most have heard about the …

Proptivity: 5G for properties

5G for Properties was an event by Ericsson and Proptivity, it was arranged at Ericsson HQ in Kista. I had a 15 min keynote, the topic was Inbuilding IoT – Today and Tomorrow. Watch the video from my Keynote here: Download my presentation

board-member-certificate

Eutech IoT Alliance Board Member

Great news, I am now a part of the IoT Alliance of Eutech as a board member. Eutech, The European Technology Chamber, is a non-profit organization on a mission to enable European businesses to use technology to benefit Europe and humanity. Eutechs core value and vision is Technology Obliges. EUTECH is committed to bringing people …

NB-IoT part 4: different implementations

NB-IoT can be implemented in three ways: standalone, guard band and in-band. NB-IoT standalone operation Standalone: NB-IoT channel used outside the 4G/5G spectrum, for example, the spectrum used for GSM or satellite communications. Standalone operation is when NB-IoT is used exclusively within a spectrum, whether in a private or public network. This model provides the …

NB-IoT repetitions

NB-IoT part 3: repetitions

NB-IoT is designed to achieve a 20 dB coverage improvement over GSM’s MCL or link budget. The maximum link loss, MCL, for GSM is 144 dB. The maximum link loss for NB-IoT is, therefore, 164 dB. There are several ways that NB-IoT improved the signal over GSM. NB-IoT and Message repetition The downlink improvement is …

NB-IoT basics: part 2 power saving

For NB-IoT, the general design goal of the 3GPP standard is that the battery should last for at least ten years. NB-IoT reduces power consumption using mechanisms called eDRX and PSM. The eDRX (extended Discontinuous Reception) and PSM (Power Saving Mode) parameters allow the device to go into a deep sleep mode for a few …