Track 5 OnBoard ITS in Rail Transit Rail

Track 5: On-Board ITS in Rail Transit Rail Conference – Baltimore, MD June 2002 IEEE 1473 -L Communications Protocol Experience in Rail &Transit Tom Sullivan Transportation Systems Design, Inc. Oakland, CA 6/15/2021 TSD. ORG 1

TSD. ORG Topics n n n IEEE 1473 -L Review Recent Transit Experience Where we may be headed… 2

Track 5: On-Board ITS in Rail Transit Rail Conference – Baltimore, MD June 2002 What is IEEE 1473 -L? Rail Transit Vehicle Interface Standard 6/15/2021 TSD. ORG 3

TSD. ORG IEEE 1473 -L Based upon n ANSI/EIA 709. 1 – Communications Protocol ANSI/EIA 709. 3 – Physical Layer 1 Lon. Works n Open, Control Network Protocol n n n Portable to any microprocessor Millions of “Neuron” nodes deployed ISO OSI 7 -Layer Model 4

TSD. ORG CAN Vs Lon. Works CAN Lon. Talk User must develop Application Presentation Authentication Session Transport User must develop Network Data Link Physical Media 5

TSD. ORG Lon. Works Neuron Nodes n 1 Uniform Architecture n Simple & Powerful n n n MAC WHEN() => ACTION Standardized Interoperable 2 Silicon Sources 3 Internal CPUs FIRMWARE Protocol NET APP Scheduler I/O Applications Library Unique 48 Bit Serial Number ROM Communications Port RAM EEPROM 6

TSD. ORG Interoperability - NYCT IEEE 1473 -L Propulsion Trainline Kawasaki Bombardier Lon. Works E 1 Lon. Works Tunnels through E 1 7

TSD. ORG Interoperability - RTVISC IEEE 1473 -L Trainline 8

TSD. ORG Lon. Mark Profiles Hardware Outputs n Network “Object” n n n Open Standard Open Interfaces Communication via Standard Network Variable Types n SNVTs Object Name & Number Input network variables Mandatory Network Variables Optional Network Variables Output network variables Configuration Properties Manufacturer Specific Network Variables Hardware Inputs 9

TSD. ORG SNVTs n Standard Network Variable Types n n n Many predefined Engineering Units SNVT Examples n n n Simple Types n Current, Temperature, “HVAC_Mode” Complex Types n Time. Stamp n Earth Position (GPS) SNVT Master List 10

Track 5: On-Board ITS in Rail Transit Rail Conference – Baltimore, MD June 2002 Where IEEE 1473 -L is Used Trains, Planes & Automobiles… 6/15/2021 TSD. ORG 11

TSD. ORG Vehicle Applications n US Navy n n n Trucks, Buses & Autos n n Attack Helicopters Warships Bus Transit, Traffic & ITS Rail Vehicles n n Freight, Commuter Rail Heavy & Light Rail & APMs 12

Track 5: On-Board ITS in Rail Transit Rail Conference – Baltimore, MD June 2002 What’s Next? 6/15/2021 TSD. ORG 13

TSD. ORG IEEE 1473 -L Future… n Advanced Networking n n Interoperation with other Standards Open Wireless Networking n n n Increased Safety & Security Real-Time Diagnostics Powerline Transceivers n ANSI/EIA Standard n n n AAR: > 3 mile long trainlines Vehicle Retrofits Other Advanced Transit Applications n E. g. , “Single Wire Switch Machine” 14

TSD. ORG Wireless Networking Today Control Center Wireless Transceiver Proprietary Wireless Data Network IEEE 1473 -L - Trainline Network Typical Architecture 15

TSD. ORG Open IEEE System Network Control Center IEEE 802. 3 u (100 Base. T) Wireless Transceiver IEEE 802. 17 Resilient Packet Ring Wireless Transceiver Open IEEE 802. 11 Wireless Data Network IEEE 1473 -L - Trainline Network Open Network Architecture 16

TSD. ORG Benefits of IEEE Standards Control Center IEEE 802. 3 u - 100 Base. T LAN Wireless Transceiver Wireless Transceiver IEEE 802. 11 Wireless Data Networks IEEE 1473 -L - Trainline Network Frequent Inexpensive Wireless Nodes 17

TSD. ORG IEEE 1473 -L Summary n Standard n n Open n n Protocol, Profiles & SNVTs Interoperable n n De Jure & De Facto (U. S. ) Tunnel IP/Ethernet, T 1, T 3, etc. IEEE-1473 -T - Gateway (or Tunnel) IEEE WG 9 – New Rail Transit Vehicle Profiles Robust, Safe & Secure 18

Track 5: On-Board ITS in Rail Transit Rail Conference – Baltimore, MD June 2002 For More Information TSD. ORG 6/15/2021 TSD. ORG 19