Author Archives: Jens Zander

Jens Zander

About Jens Zander

Professor Jens Zander is professor in Radio Communication Systems at the Royal Institute of Technology, Stockholm, Sweden. He has been among the few in Swedens Ny Teknik magazine's annual list of influential people in ICT that have been given the epithet “Mobile Guru”. He is one of the leading researchers in mobile communication and is the Scientific director of the industry/academia collaboration center Wireless@KTH. His research group focuses on three main areas – the efficient and scalable use of the radio frequency spectrum, economic aspects of mobile systems and application and energy efficiency in future wireless infrastructures.

Dynamic Spectrum – a solution for Africas spectrum problems?

Last week I was invited speaker at Africon 2015.  My keynote talk was on the role of Dynamic/Flexible Spectrum and “Cognitive Radio” in the deployment of rural internet access using wireless technology.  This sparked some interesting discussions in the panel I … Continue reading

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Does the Internet-of-Things dwell in Extremistan?

Extremistan – is not were IS terrorists rule, it’s the fictitious country introduced in N.N. Taleb’s renowned book “The Black Swan:The Impact of the Highly Improbable“. It is some times contrasted against Taleb’s other imaginary country,  Mediocristan, to describe the impact of … Continue reading

Posted in Business, Internet of Things, M2M, Systems | 3 Comments

Who want’s LTE-U ?

Quite some effort is now being put in moving LTE also into unlicensed spectrum. One reason is of course the large chunks of spectrum where the big competitor in short-range indoor and hot-spot market, WiFi,  is now ruling alone.  The other is … Continue reading

Posted in Business, Spectrum, Systems | 3 Comments

Avoiding the “Valley of Death” – and the obsession with coverage

Gerhard Fettweis gave an interesting talk at the Johannesberg Summit, where he argued that we should abandon the 20-100 GHz range and move into even higher spectrum, above 100 GHz. The reason is mainly cost, above 100 GHz radios and rather … Continue reading

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What is the uptake of IoT services today?

Two years ago Mischa Dohler made the comment at the Johannesberg Summit 2013 that the uptake of IoT services is still slow and lot of “design” has still to be made to reach the 50 billion devices that possibly could … Continue reading

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5G – “Mädchen für Alles?”

Listening to Sara Mazur (head of Ericsson Research) at last years Johannesberg Summit really puts the spotligth on the main dilemma in 5G: I should do this, and that, and also this etc, in an almost endless “wishlist”. Other constraints … Continue reading

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Sharing of Military Spectrum – does it make “sense” ?

I just attended a workshop organized by the National University of Ireland, Maynooth and the Office of Naval Research(Global) on the possibility of using military spectrum for civilian purposes.  The workshop was held at Maynooth University, in Kildare, just outside Dublin, Ireland. The … Continue reading

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The latest CISCO predictions for mobile traffic are here

The latest data in the Cisco’s Mobile Visual Networking Index are here. Of course most interesting for us at UWP are the figure for mobile data traffic volume growth for next 5 year period 2014-2019. The estimates are clearly down from the … Continue reading

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Millimeter or Centimeter waves for 5G?

Attending the Globecom 2014 workshop on “Emerging Technologies for 5G” makes it clear to me that there are quite different views on where to go regarding spectrum. In particular this was evident from the concluding panel in the workshop. On … Continue reading

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Samsung smartphone profits plummet

It’s not only smartphones that get thinner, also the profits in Android phones. Samsung recently revealed drops in smartphone sales in their 3rd Quarter report. Compared to 3Q2013 the Samsung sales where down 8% whereas the market in total grew by … Continue reading

Posted in Business, Devices and Gadgets | 1 Comment