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Enabling Connected Mobility: Converging Paths for New Generation Networks and Cooperative ITS

This article explores the evolution of urban and interurban mobility and the challenges it presents in terms of efficiency, safety, security, and sustainability. It discusses the trends of electric mobility, shifts in mobility modes, and the importance of connected and automated mobility. It highlights the need for data exchanges and interoperability in cooperative ITS and the technical evolution of new generation networks. The article also examines the concepts and specifications of 5G and its potential impact on connected mobility.

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Enabling Connected Mobility: Converging Paths for New Generation Networks and Cooperative ITS

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  1. A reflection on Enabling Connected Mobility Converging paths: New Generation Networks and Cooperative ITS Jorge Alfonso José Manuel Menéndez Universidad Politécnica de Madrid 2018 STA Annual Conference 27 November 2018

  2. ConnectedMobilityWhoisdriving? • Urban and interurbanmobilityenvironment has been evolving more and more rapidly in recentdecades. • Challenges in transport focus on the areas of mobilityefficiency, road safety, security and environmentalsustainability. • Relevant trends: • Electric mobility • Mobility mode shifts • Connected/AutomatedMobility

  3. ConnectedMobilityInformation focus • Increasingneeds of data exchages at physicallevel, at network level, at service level. Cooperative ITS approach Natural evolution of increasinglycomplex ITS solutions. Key fordeploymentistheinteroperability of solutions. New Generation Networks approach Technicalevolution of anall-purposeplatform, which can at somepoint be usedformobilitysolutions.

  4. ConnectedMobilityCooperative ITS • Traditionallyfocused on short-range vehicular communication technologies. • Verylowlatency & High speed mobility • Currentlyunderdeployment of certain functions on road safety V2X perspective. • Day 1 & Day 1.5 solutions • Key radio access on the 5.9 GHz band. • WorkingtowardsCooperative, Connected and AutomatedMobility.

  5. ConnectedMobilityCooperative ITS • Research initiatives in the last years have consolidatedmanytechnical aspects of the Cooperative ITS architecture.

  6. ConnectedMobilityNew Generation Networks • Cellular-based communications have started to offercapabilitiesadequate for the provision of critical ITS services. • The main factor has been the emergence of verysmallcells, approaching the behaviour of traditional short range links.

  7. ConnectedMobilityNGN – 5G Concepts • 5G is not just an evolution of previous radio access and network technologies. • 5G has to beseen as a paradigm shift in the way to manage network resources, in the broadestsense, and at all levels. • Central aspects of 5G architecture are: • NR - New Radio. Advanced physical air links betweenentities, ensuring the required performance at anygivencircumstance. • NFV/SDN. Network FunctionVirtualization/Software Defined Networks.Isolatingphysicalresourcesfrom service virtualresourcesincreases the efficiency of the use of the available components. • Network Slicing.Management control mechanism binding service network requirements to a virtual and physical ‘slice’ of network resources, facilitating management from the service point of view. • Edgecomputing.Although not 5G-exclusive, the concept that ‘intelligence’ of the network canbelocated at the core, or distributed for example ‘at the edge’, enablescriticalroadside-based ultra lowlatency services.

  8. ConnectedMobilityNGN – 5G Concepts • Technicalspecifications of different aspects of 5G are stillongoing. The mostrecentspecification dates fromFebruary 2018. Addressesbasically the physicalaccessparameters. • Technicalspecifications point at the followingadvanced service classes: • eMBB. Enhanced/Extreme Mobile BroadBand. • URLLC. Ultra ReliableLowLatency Communications. • mMTC. Massive Machine Type Communications. Transfer peaks of 10 Gbps ~ 1 Millionconnections per Km2 E2E delay time < 1ms Messagereliability 10-5

  9. ConnectedMobilityNGN & Mobility • Automotive vertical sectorisalreadyaddressing possible particular performance requirements for 5G specificationworking groups.

  10. ConnectedMobilityC-ITS and NGN • The latest 5G specificationdid not addressfully the problems of connectedmobility. • 5G-based safetycritical solutions rely on positioningaccuraciesthat are not resolved in 5G at the moment. C-ITS wasdevelopedwiththese applications as a priority. • Physical specifications are detailed, but other relevant aspects such as the approach to edgecomputingor URLLC network slices resource management are stillundefined. • Deployment of the 5G infrastructure to deliver the performance qualityrequired of mobility services isstillahead in time. Select functions are stillbeingvalidated in research initiatives. • Integration of certain Cooperative ITS functions as basis for CV2X/5G mobility services is a possible solution.

  11. José Manuel Menéndez jmm@gatv.ssr.upm.es Jorge Alfonso Kurano jak@gatv.ssr.upm.es

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