交通网络的数字连接——Michaela Nelson.pdf

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1、Digital connectivity for TransportTTF May 2025Michaela NelsonDigital Connectivity Across UK Transport Now Modal connectivity todayDigital connectivity on the UKs transport network is currently delivered modally.Highly fragmented stakeholder landscape across government,arms length bodies and the priv

2、ate sector A patchwork quilt of different technologies and servicesNetwork Rail,Train operating companies,Rolling stockNational Highways,LHAsMCA,PortsCAA,AirportsNeutral host networkscompanies,HS2,EurotunnelNon terrestrial networks(NTN)Mobile networks,2G,3G,4G,5GUnlicensed spectrum,Wi-FI,LoRaWANPriv

3、ate cellularFibre and copperNeutral host networks,Shared rural network5G Stand aloneLow,medium,geo,earth orbit,GPSVHF,HF,MF radio mm waveDSIT,OFCOMDigital Connectivity Across UK Transport Now Digital connectivity is an invisible capability and we tend to only notice it when it doesnt work.If we do n

4、othing,we will see more problems as demand grows and some underpinning technologies like 2G are retired.Our railways use a 2G system called GSM-R for voice and data communications on the railways.Work is underway to develop a new 5G system,Future rail mobile communications system,FRMCS,to replace it

5、.Fixed copper and fibre infrastructure is used across our transport network for traffic lights,train signals,variable message signs,ticket machines,parking meters,CCTV,level crossings,emergency telephones and many other applications.Mobile networks are used for a growing range of applications includ

6、ing eCall,traffic lights,maps and navigation,ticketing,EV charging,parking,enforcement cameras and many others.Mobile networks use optical fibre to connect the wireless signal to the internet backbone.Safety critical communications in aviation and maritime use dedicated radio frequencies and a mixtu