industry More than 20 government and private sec tor blockchain use cases are currently in the proof of concept stage including rental and sale of real estate management of vehicle lifecycles licensing of health care facilities student enrollments at the university and assurance of food safety Citizens co create smart cities Whereas the term smart city still has a slightly sinister ring to it because at fi rst the idea was primarily driven by major tech corporations and the implemented monitoring functions triggered not totally unreason able fears the blockchain is welcomed even by many critical groups We ve been observing for some years now that leading city governments on the road toward the smart city are increasingly focused on co creation by citizens according to the bottom up principle Blockchain technologies off er signifi cant potential on this new way to the smart city says Bart Gorynski The co founder of bee smart city a digital platform with about 500 smart city solutions welcomes this development Distributed ledger technologies enhance effi ciency and signifi cantly promote transparency and co creation Thus the blockchain might continue a trend that has begun to emerge Smart cities will also become cities of citizens Internationally Barcelona s digital innovation offi cer Francesca Bria is a pioneer of this ap proach Our smart city is not technology driven We ask What does a livable city look like And How can people themselves determine how they d like to live Technology only serves to support this says the Italian in Spanish employ This however is only one element of the future because the smart city will also be a city of things The Internet of Things with its connected buildings streets vehicles and infrastructures will bring a digital world of its own into big cities Particularly the future of autonomous vehicles will be driving this technological development Traffi c lights that negotiate green phases with vehicles smart lampposts that continuously report traffi c conditions in the streets real time map services that guide traffi c around congestions and obstructions all this will grow into an all new infrastructure for smart mobility in the next few years Dataflow is still a mere drip Albeit if will do so only if a major stumbling block can be removed by that time Many data networks on the basis of which developers are currently building the Internet of Things are merely able to send data droplets back and forth Even the cell phone network used today is far too weak for the things that inspire the imagina tion of city and traffi c planners That s why they can hardly wait for the next generation of mobile communications to arrive The coming 5G network is expected to have a data rate of 10 Gbit s up to 100 times faster than today s LTE is the expected value of the global market for smart city technologies and services by 2025 fi ve times as much as in 2017 Source grandviewresearch com the bandwidth of internet connections doubles according to Nielsen s Law established by Danish IT expert Jakob Nielsen His forecast was correct in the past 25 years Thanks to modern fi ber optics network transmission standards of 1 terabit per second are supposed to be possible in the near future which corresponds to 5 DVDs ripped per second The current record is 43 terabits albeit set under conditions not yet suitable for everyday use 2 5 trillion Every 21 months 111 110

Vorschau Schaeffler tomorrow 02-2018 EN Seite 110
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