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India2009 Callen India2009 Callen Presentation Transcript

  • Optimised Voice & Data Applications for Transportation Systems using TETRA Mr. Ignacio Callen VP, Sales & Marketing TELTRONIC
  • Contents 1. TETRA ADVANTAGES 2. TETRA NETWORK MODEL 3. BUSES AND TRAMS - OPTI MISING AVL TMB BARCELONA BUSES NETWORK CASE 4. PORT TANJUNG PELEPAS NETWORK CASE 5. METRO AND RAILWAY APPLICATION MODEL TETRA IN AUTOMATED METRO SOME REFERENCES 6. RAILWAY MODEL 7. CONCLUSIONS
  • TETRA: Advantages Open standard (several suppliers of terminals) Security: Encryption and authentication Ethernet/IP Connectivity Enhanced Data Transmission Capabilities => Allow to implement ITS applications & voice using the same network Simultaneous voice and data support Full duplex communications: hands free Benefits for Surface transport: built-in GPS for AVL Worldwide implemented in Transport and Public Safety
  • Buses & Trams – Optimising AVL
  • •Half duplex and full duplex call with Control Centre Driver & •Direct connection with PABX & PSTN. Maintenance •Voice Communications between maintenance personal Voice Services and Control Centre & Depots. Vehicle •Status Messages (i.e. start of route indication) Sensors •Short Data Message (i.e. sporadic bus data interrogation ONE Transmission – Fuel level) ONE TECHNOLOGY TECHNOLOGY • Key Requirement: buses sending its position (GPS) on a FOR ALL FOR ALL Localisation periodic basic. SERVICES SERVICES Data (AVL) •If not handle correctly can affect to the others service of PROVIDING the system. PROVIDING COST COST Passenger • Controlled by the Control Centre for give information to OPTMISATION. OPTMISATION. informative passengers (i.e. bus stations) panels • Suitable for Short Data Messages • Emergency pedals or buttons enabling silent ambience Security call from Control Centre. Systems • Alarm triggers allowing communications between passengers and Control Centre.
  • Network DEPOTS Bus / on board systems WIFI Zona Red Ethernet Franca Ponent SAE SAM I ROND ROND A DEL A DEL MIG MIG GPS CPU Gateway CAN Bus A A ND AL ND AL RO OR SPV RO OR T LI T SC-WiFi LI Lutxana Billing CPU Wifi Link Wi-Fi Router Horta DE A DE ND T A ND T RO DAL SIC GPRS Triangle RO DAL SC-Radio External Info Panels CPU TETRA FONT FOTOGRAFIA: BARCELONA REGIONAL, S.A. SIU PA system TFT SEV CPU Video BUSES COMMAND CENTRE TSC PA Bus link BX Sun FEP Depot link PD SER TETRA NETWORK H VER Sun SwM Ges I Control Centre Link to
  • TETRA On-board equipment GPS Antenna Antenna Control unit Bus TETRA MS engine, driver’s Telemetry speed, MMI PEI sensors doors... Bus driver’s audio system Audio control - PTT interface Billing - Emergency button system -Call request - Driver Login Passenger data information Hands-free system PANEL Other audio kit Ambience peripheral listening s microphon e Handset
  • On-board equipment Bus system Control interface unit TETR A radio Passenger information system Micro speaker & hands-free Driver’s MMI mic console
  • Buses & Trams – Optimising AVL • Automatic regulation – Efficiency mostly depends on the refreshment periods which can be achieved • Old analogue systems – Control of radio channels (PTT-CD signals) by AVL Applications • TETRA = TDMA. How to overcome the gap between the AVL Application and TETRA transport layers?
  • Synchronous Data Manager – How it works • Optimised polling – Polling avoids random access collisions – 100% channel uplink v. 37% under normal circumstances – Synchronous access is achieved by sending a status message asking for “slot granting”. 20-byte data is sent with the ACK reply to this status message • Multiple secondary control channels (SCCH)/base station - increases capacity • Synchronisation of control channels • Definition of new commands – to manage sequential & cyclical polling lists • SDM is based on the controlled use of a portion of the control channel to avoid the “avalanche” of random access radio collisions
  • TMB, Barcelona Buses
  • TMB, Barcelona Buses • Migration from analogue PMR to TETRA • Innovation, applications, coverage • SDM/AVL server application integrated to SAE business model software: • Each SBS – 20 bytes/bus at a rate of 24 buses/second • Not just data, needs to integrate with voice comms. • Control Centre integration via VoIP • TETRA Dispatcher Protocol (TDP -SIP format–).- Interface with TETRA infrastructure • On-board, AT commands are used over radio’s PEI (Peripheral Equipment Interface) • System integrates buses (special units) and management hand- portables
  • PTP Port Tanjung Pelepas, Malaysia
  • NAVIS-TETRA Gateway Voice (1) Instruction (2) Confirmation (2) SPARCS Radio Server TOS GPS(3) Instruction (2) Voice (1) Confirmation(2) GPS data Real time Location (3) MDT-400 TETRA Gateway POSH TETRA BASE
  • NAVIS-TETRA Workflow
  • Functional Overview – TETRA Gateway Server Application • Maintain connection with SPARCS Radio Server • Receiving XMLRDT message through the connection with SPARCS Radio Server • Encapsulate the XMLRDT message and then transmit SDS to MDT-400 using N2A. ( If encapsulated data is over max SDS size, it divide encapsulation data to send) • Receiving the SDS from NEBULA with N2A • Recode the transmitted data or log – TETRA Terminal(MDT-400) • Shows received SDS message from XMLRDT server • Confirm the received message and send back confirm message
  • Metro and Railway Application Model
  • TETRA Network Model SBS 1 SBS 2 SBS n-1 SBS n … ASYNCHRONOUS BACKBONE Central ISDN Switch API ATC System Management IP Network System Analog Radio Radio Network Dispatchers Dispatching Centre
  • Typical requirements in Metro and Railway: • Full and half duplex calls (private and group) • Built-in emergency button • Status and short data • Operational console integrated into the driving dashboard • Interaction with the Passenger Information System • Interaction with the Train Control and Monitoring System (TCMS). • Integration of TETRA and analog communications • Railways – Fulfilling of ETCS Requirements
  • Functions: • Voice calls to and from the Dispatching Centre • Public addressing and ambience listening • Emergency braking activation • Fire extinguishers activation • Train switch on / switch off • Update of the information panels • Discreete location (beacons) • Update of the TCMS parameters
  • On Board Subsystems: MMI Console Communications rack To the train control system (TCMS) Display Teclado Input/Output Lines Antivandálico CPU MVB Connection (TCN Network) Maintenance LED CPU VHF TETRA Indicators Auxiliary Analog Radio TETRA Antenna Buttons Radio VHF Antenna AUDIO INTERFACE To passenger Hands free information system Handset system (addressing) To redundant rack and console
  • Typical configuration (2 Racks & 2 consoles, up to 200 meters between both systems) MMI MMI Console Console Train Control System Communications Rack Communications Rack (TETRA + VHF) (TETRA + VHF)
  • On Board Subsystems: High customisation is required to adapt to: - Different train manufacturers (CAF, Alstom, Siemens, Ansaldobreda, Bombardier, …). - Differente power supply voltages and signalling (+110v DC, +72v DC, +24v DC). - Different operational requirements - Higher MTBF figures - Space available for rack mounting - Several types of interfaces to TCMS (MVB, Ethernet, RS-485, …) - Customized on-board subsystem
  • Barcelona Subway, Line 9 (Spain) The Barcelona Underground Line 9 is the largest underground line in whole Europe: • 46.6 Km. • 51 stations • 90 millions passengers per year
  • Barcelona Subway, Line 9 (Spain)
  • TETRA in Automated Metros • Security • Exploitation • Maintenance • Can act as an emergency backup of the Automatic Train Control (ATC) system
  • Application Model ds TETRA Network m an C om Commands On Board TETRA Subsystem Control Centre TCMS
  • SDS TL based Protocol TETRA SDS TL Service Application - Control
  • SDS TL based Protocol PROTOCOL ID = C0H (ETSI registered) TYPE OF MESSAGE ACK SS ST MESSAGE REFERENCE (counter) TEXT SCHEME = 01H (8-bit latin alphabet) PROPIETARY APPLICATION CODE COMMAND TRAIN NUMBER / TYPE OF TRAIN COMMAND PARAMETERS
  • Security Commands TYPES OF COMMANDS EMERGENCY BRAKING BYPASS OF BRAKE / TRACTION LOOP PUBLIC ADDRESSING MESSAGE DISABLE SERVICE BRAKE FIRE DETECTION / FIRE EXTINGUISHERS ACTIVATION DETECT ALARM HANDLE UNATTENDED DOORS OPEN / CLOSE
  • Exploitation Commands TYPES OF COMMANDS TRAIN SWITCH ON / SWITCH OFF TRAIN BIRTH (Number and Type of Train, Driver) EXTERNAL / INTERNAL PANELS CONTENT LIGHTS / MUSIC / VIDEO / CLIMATIZATION TCMS CONFIGURATION/ DRIVING MODE TRAIN LOCATION (SBS or BEACONS) VOICE GROUP CHANGE (SBS or BEACONS)
  • Maintenance Commands TYPES OF COMMANDS DIAGNOSIS / REQUEST / SENDING ALARMS TRAIN TIME SETUP PANTOGRAPH UP / DOWN NEUMATIC SUSPENSION DISABLE / ENABLE VOLTAGE INTERRUPTOR REMOTE SOFTWARE DOWNLOADING (circuit data) ATP SYSTEM RESET
  • Example: Start-up Sequence with TL_REPORT CCC RADIO Start Up TCMS TL_REPORT Start Up Accepted TL_REPORT Initiated Initiated TL_REPORT Train Switched On Train Switched On TL_REPORT CCC = Command & Control Centre TCMS = Train Control & Monitoring System
  • Example: Start-up Sequence without TL_REPORT CCC RADIO Start Up TCMS Start Up Accepted Initiated Initiated Train Switched On Train Switched On CCC = Command & Control Centre TCMS = Train Control & Monitoring System
  • Railway model
  • TETRA Rail Forum At the end of 2006, the TETRA association (TETRA MoU) created the TETRA Rail Forum The goal is to analyse the railways requirements and decide whether the TETRA’s successful Metro model can be used for this industry or not Outside Europe TETRA is already a serious alternative to GSM-R; although there are also technological reasons the main one is economical => TETRA requires half the base stations than GSM-R for the same coverage area Next Steps for the TETRA Rail Forum: – Understand the railway industry requirements – Define the additional supplementary services that might be needed – Analyse the set of safety standards to be accomplished – Define a roadmap of TETRA for railways applications
  • Main ETSI Standards of applications in railways Safety related electronic systems for signalling (EN 50129) Software safety (EN 50128) Key Concepts – Safety Case (SC): 6 documents – Safety Integrity Level (SIL): from 1 to 4 (*) – 10-9 < SIL 4 < 10-8 – 10-8 < SIL 3 < 10-7 – 10-7 < SIL 2 < 10-6 – 10-6 < SIL 1 < 10-5 TETRA industry has started to apply for SIL certifications according to Safety Cases (*) THR (Tolerable Hazard Rates)
  • TETRA vs. GSM-R TETRA achieves or improve the voice requirements of Railways systems (i.e. Call setup < 300 ms) TETRA improve the current data rate (i.e. 19200 bps packet data rate) TETRA works in 380-470 Mhz, requiring half the base stations (cost effective) TETRA doubles the frequency efficiency (4 channels in 25 Khz) TETRA has proven working at 574.8 km/h (ALSTOM, France, 2007)
  • Russian Railways, Moscow-St.Petersburg
  • Some TETRA References: Metro and Railway RUSSIAN RAILWAY – Moscow-St.Petersburg Line, Russia SIEMENS – Santiago Metro, Chile SIEMENS – Alger Metro, Algiers SUPERVIA – Rio de Janeiro, Brazil THALES - Buenavista-Cuautitlán Line, Mexico D.F., Mexico ALSTOM – Line 12 Metro, Mexico D.F, Mexico T-SYSTEMS – Nuremberg Metro, Germany LISBON PUBLIC TRAMS – Portugal TAIPEI METRO - Taiwan BARCELONA UNDERGROUND – Line 9, Spain SAMPOL - Metro de Mallorca, Spain CAF, ANSALDOBREDA, - Metro de Madrid, Spain METRO MADRID – Línea 2, Spain EFACEC-IKUSI – Tenerife Light Trains, Spain
  • Conclusions Professional Mobile Radio is dominant in transport today TETRA is the most implemented technology TETRA has proven to be the most adequate and cost effective technology for AVL, providing efficient voice and data communications with one communications system TETRA is suitable to support exploitation in Metros (Manual or Automated) TETRA allows to remotely controls the trains, providing enhanced security, efficiency and cost effectiveness The new challenge for TETRA industry regarding transport industry is to be adequate to be the future replacement of GSM-R systems in Europe and the chosen technology in the new implementations outside Europe
  • Thank You Ignacio Callen licallen@teltronic.es