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Connected Car - the future technology and opportunities in car networking
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Connected Car - the future technology and opportunities in car networking

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Reza Zanjani, Unit Manager at SEVEN PRINCIPLES Solutions & Consulting AG, held a presentation about "Connected Car - the future technology and opportunities in car networking" during the spirit …

Reza Zanjani, Unit Manager at SEVEN PRINCIPLES Solutions & Consulting AG, held a presentation about "Connected Car - the future technology and opportunities in car networking" during the spirit conference 2014.

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  • 1. Connected Car The future technology and opportunities in Car Networking REZA ZANJANI
  • 2. Service portfolio and stakeholders Connected Car User related Safety Navigation & information Entertainment & convenience Communication & social media Vehicle related Remote vehicle service Vehicle & power management Roadside related Traffic management & routing Special purposes Fleet management Smart logistics Financial services OEM OES (aftermarket) Fleet management Logistics company Financial services Advertiser
  • 3. Motivation Connected Car Objectives of the European white book will not be achieved with conventional systems alone Leverage the potential of communications to improve this situation. Congestion generates annual economic cost of 17,4 bn. € (Estimate EU commission, 2006) Accident statistics 2006: appr. 420.000 injured pers. appr. 5000 fatalities in Germany (Source: Statistisches Bundesamt Germany, 2008) Mobility Traffic Safety Challenges
  • 4. Problem Connected Car Pheromone update : 𝜏 ← 1 − 𝜌 𝜏 𝑥𝑦 + 𝑘 Δ𝜏 𝑥𝑦 𝑘 Δ𝜏 𝑥𝑦 𝑘 = 𝑄/𝐿 𝑘 0 where if ant k uses curve xy in its tour otherwise Edge selection : 𝑝 𝑥𝑦 𝑘 = (𝜏 𝑥𝑦 𝛼 )(𝜂 𝑥𝑦 𝛽 ) 𝑦∈𝑎𝑙𝑙𝑜𝑤𝑒𝑑 𝑦 (𝜏 𝑥𝑦 𝛼 )(𝜂 𝑥𝑦 𝛽 ) Example pseudo-code and formulae : procedure ACO_MetaHeuristic while (not_termination) generateSolutions() daemonActions() pheromoneUpdate() end while end procedure
  • 5. Connected Car Ultrasound (ca. 4 meter) Camera (ca. 80 meter) Radar (ca. 200 meter) (> 200 meter) WWAN (UMTS, HSPA, LTE) WLAN (IEEE 802.11p, DSRC) Informational Collaboration
  • 6. In-Car Online Services Connected Car
  • 7. C2X Connected Car » C2C » Direct communication between two vehicles. » An ad-hoc communication network is to be established. » C2I » Infrastructure is used as an informational source as well as cache for information from other sources.
  • 8. C2X Connected Car
  • 9. Connected Car Sichere Intelligente Mobilität Testfeld Deutschland
  • 10. Technology Connected Car » Wireless LAN » Reserved frequency spectrum at 5.9 GHz » Standardized communication protocols are available: » IEEE 802.11p / DSRC » ETSI ITS G5A (EU) » SAE J2735 (US) » Cellular network » 3G / UMTS » 4G / LTE
  • 11. DSRC (Dedicated Short Range Communication) Connected Car » International standard for C2X communication » Consists of physical, electronical and logical standards » At logical level, it is an XML based transfer protocol » Documentation available at: http://www.sae.org/exempt/misc/dsrc/docs.htm
  • 12. DSRC (Dedicated Short Range Communication) Connected Car BasicSafetyMessageVerbose ::= SEQUENCE { -- Part I, sent at all times msgID DSRCmsgID, -- App ID value, 1 byte msgCnt MsgCount, -- 1 byte id TemporaryID, -- 4 bytes secMark DSecond, -- 2 bytes -- pos PositionLocal3D, lat Latitude, -- 4 bytes long Longitude, -- 4 bytes elev Elevation, -- 2 bytes accuracy PositionalAccuracy, -- 4 bytes -- motion Motion, speed TransmissionAndSpeed, -- 2 bytes heading Heading, -- 2 bytes angle SteeringWheelAngle, -- 1 bytes accelSet AccelerationSet4Way, -- 7 bytes -- control Control, brakes BrakeSystemStatus, -- 2 bytes -- basic VehicleBasic, size VehicleSize, -- 3 bytes -- Part II, sent as required -- Part II, safetyExt VehicleSafetyExtension OPTIONAL, status VehicleStatus OPTIONAL, ... -- # LOCAL_CONTENT } <xs:element name="basicSafetyMessageVerbose" type="BasicSafetyMessageVerbose"/> <xs:complexType name="BasicSafetyMessageVerbose"> <xs:sequence> <xs:element name="msgID" type="DSRCmsgID"/> <xs:element name="msgCnt" type="MsgCount"/> <xs:element name="id" type="TemporaryID"/> <xs:element name="secMark" type="DSecond"/> <xs:element name="lat" type="Latitude"/> <xs:element name="long" type="Longitude"/> <xs:element name="elev" type="Elevation"/> <xs:element name="accuracy" type="PositionalAccuracy"/> <xs:element name="speed" type="TransmissionAndSpeed"/> <xs:element name="heading" type="Heading"/> <xs:element name="angle" type="SteeringWheelAngle"/> <xs:element name="accelSet" type="AccelerationSet4Way"/> <xs:element name="brakes" type="BrakeSystemStatus"/> <xs:element name="size" type="VehicleSize"/> <xs:element name="safetyExt“ type="VehicleSafetyExtension“ minOccurs="0"/> <xs:element name="status“ type="VehicleStatus“ minOccurs="0"/> <xs:element name="localBasicSafetyMessageVerbose" type="local:BasicSafetyMessageVerbose“ minOccurs="0"/> </xs:sequence> </xs:complexType>
  • 13. DSRC message examples Importance Level from FCC Policy Description Description (When to apply a specific urgency level) Example(s) Reception Latency (Urgency) Message Priority Access Category (IEEE 802.11 Std) Channel (Suggested) 1 = Safety of Life Those Messages and Message Sets requiring immediate or urgent transmission Emergency impact mitigation and injury avoidance/mitigation Crash-Pending Notification < 10 mSec 7 3 Control Emergency potential-event impact and/or injury mitigation and avoidance Pre-Crash < 10 mSec 7 3 Control Urgent Warning Events (using Event Flags) Hard-Brake (Collision Warning, EEBL, Anti Lock, etc.) and Control Loss < 10 mSec 7 3 Control Urgent warning of impending local situation Emergency Vehicle Approaching 10 to 20 mSec 5 2 Control Situation-based status information of uninvolved local interest Situation Ahead (e.g., Emergency Vehicle, Accident) 10 to 20 mSec 5 2 Service Situation-based status information of uninvolved local interest Situation Ahead (e.g., Emergency Vehicle, Accident) 10 to 20 mSec 5 2 Service Potential-situation information of uninvolved local interest Probable-situation (e.g., Rapidly deteriorating dangerous conditions) 10 to 20 mSec 5 2 Service Possible-situation information of uninvolved high-latency local interest Possible-situation (e.g., Deteriorating dangerous conditions) > 20 mSec 3 1 Service 2 = Public Safety (Safety not in 1) Roadside Units (RSUs) and On-Board Units (OBUs) operated by state or local governmental entities that are presumptively engaged in public safety priority communications (Includes Mobility and Traffic Management Features) Urgent public safety downloads (Intersection Information) SPAT (Signal Phase and Timing) < 10 mSec 6 3 Control Urgent public safety data transactions, exchanges Electronic Toll Collection < 10 mSec 5 2 Service Periodic public safety status information Heartbeat message < 10 mSec 4 2 Control Public safety geospatial context information GID message (Geospatial Context) < 10 mSec 4 2 Control Semi-urgent public safety link establishment Lane Coordination; Cooperative ACC < 10 mSec 4 2 Control Public safety GPS correction information GPSC message (GPS Correction) < 10 mSec 4 2 Control Periodic less frequent public safety status information Heartbeat (at lower frequency) < 10 mSec 3 1 Control Semi-urgent public safety system enabler Localized Geometric Intersection Definition Download 10 to 20 mSec 3 (0) 1 Service Semi-urgent public safety data and application enabler Services Table, Digital Map Download > 20 mSec 3 (0) 1 Service Important Traffic Management status information enabler Highway Closed Ahead > 20 mSec 3 (0) 1 Service Important Announcement of Services WSA message (Wave Service Announcement) > 20 mSec 3 (0) 1 Service Semi-important Traffic Management enabler General Traffic Information Download > 20 mSec 3 (0) 1 Service Non-urgent Traffic Management Foundational Data Probe Messages, Localized warning zones update > 20 mSec 3 (0) 1 Service 3 = Non-Priority Communications (not in 1 or 2) Fleet Management of Traveler Information Services and Convenience or Private Systems Urgent, private mobility message Off-Board Navigation Reroute Instructions < 10 mSec 2 0 Service Urgent, private and commercial electronic transactions Electronic Payments < 10 mSec 2 0 Service Semi-urgent, private mobility data exchange Private mobility applications (e.g., GPS based driving instructions) 10 to 20 mSec 1 0 Service Semi-urgent, private and commercial electronic transactions Commercial and private e-commerce applications 10 to 20 mSec 1 0 Service Important, private and commercial electronic transactions Large commercial transactions (E-Commerce) 10 to 20 mSec 1 0 Service Important, private mobility data exchange Commercial and private offers, directions 10 to 20 mSec 1 0 Service Background, private mobility data exchange Area map download or upgrade > 20 mSec 1 0 Service Background, private data downloads and upgrades Database download > 20 mSec 1 0 Service
  • 14. Challenges Connected Car Awareness of energy consumption Awareness of radiation High-speed processing of information Filtering the interesting slices of information High-speed handshake for information exchange High-speed setup of parallel and ad-hoc networks
  • 15. Thank you for your attention! mail@reza-zanjani.de REZA ZANJANI

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