Mobility Information Broadcast
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1 ITS World Congress 2006 London, Mobility Information Broadcast Services based on the TPEG Platform Paper No Martin Dreher, Bayerische Medien Technik GmbH Bayerische Medien Technik GmbH ITS06 London Seite 1
2 Agenda Traffic and Travel Information Services Situation today RDS-TMC The TPEG Approach The Framework TPEG Applications TPEG Test Services Services On air Transmission modes Service content Implementers Bayerische Medien Technik GmbH ITS06 London Seite 2
3 Conventional TTI Services Radio traffic reports via radio stations Used by millions drivers via the in car radio device Annoying for all other listeners Other services have emerged 24h traffic info channels SMS and telephone services (mobile) internet pages, wap services Etc. All of them have in common, that they are -> Language dependent -> Bearer dependent -> Not further processable -> Focused on one mode of transport Bayerische Medien Technik GmbH ITS06 London Seite 3
4 RDS-TMC - Data on air TMC the Traffic Message Channel is a protocol designed to deliver the content of road traffic messages Very efficient encoding to allow delivery via the FM Radio Data System (RDS) Developed in the 80ies, regular services were delivered in the late 90ies (in Germany) Became a great success in this millenium being a data source that enables navigation systems to consider the traffic events when guiding the driver. Hardly any in-car navigation system ships without a TMC receiver Bayerische Medien Technik GmbH [email protected] ITS06 London Seite 4
5 The TPEG approach TPEG - Transport Protocol Expert Group Initiated by the EBU (European Broadcasting Union) in the 90ies Not a single service, but a whole framework Maintained and extended in the TPEG Forum Bearer independent Broadcast enabled Multimodal approach Language independent Is decoded in TPEG client devices Extensible Application plug in concept Bayerische Medien Technik GmbH [email protected] ITS06 London Seite 5
6 TPEG Applications Are embedded in a framework: Service infrastructure, data types, message management, location referencing -> it is a toolkit Various encoding systems (so far binary and XML) Data models for the content (UML including definition texts) This make it straight forward to develop applications for the various purposes and just plug them into TPEG Services: RTM, TEC, POI, NEWS, PTI, CTT, WEA, BSI, PKI, SPI, IDI, more to come! Standardisation with CEN/ISO via the TPEG Forum Bayerische Medien Technik GmbH [email protected] ITS06 London Seite 6
7 The Source: TPEG Forum TPEG service Ids, bearer Service Ids and frequencies are listed for easy identification Contact details of the implementers as well as the area where the service can be received are listed -> Document ITF Bayerische Medien Technik GmbH ITS06 London Seite 7
8 TPEG services on air now XML (4) All services are test services for technical and/or public testing in real broadcast environments How many test services are already on air? 26 services DAB (21) DMB (5) How many countries are already involved? 5 countries (DE, UK, NL, BE, KR), preparations in others (ES, CH,...) Majority are TPEG binary Binary services (22) (22) Bayerische Medien Technik GmbH [email protected] ITS06 London Seite 8
9 Transmission Channel Most services are carried in the TDC (Transparent Data Channel) Stream mode (4) Packet mode without datagroups (8) Packet Mode with datagroups (7) MOT file based services usually carry tpegml (XML) and style sheets for PDA-Browsers Bayerische Medien Technik GmbH ITS06 London Seite 9
10 Transmission Channel Bandwidth ranges from 2kbps up to 128kbps Number of Services kbps Bayerische Medien Technik GmbH [email protected] ITS06 London Seite 10
11 Service Content Most services carry road traffic messages only (16) Either encoded using the RTM application (14) Or the more automotive oriented TEC application (5) Seven services already provide information using multiple applications Mainly TEC, PTI and PKI Three Korean services include POI, NEWS and CTT In the future TPEG services will most likely carry a balanced mix of data in several applications best suited to the target group e.g. TEC, LHW, SPI and PKI for drivers PTI, BUS and PKI for public transport users Define the ideal service for your users! Bayerische Medien Technik GmbH [email protected] ITS06 London Seite 11
12 Service Implementers First real transmissions in the past by BBC and SR. At the final workshop of the TPEG Project in Munich two live streams by IRT and BMT were on air in Services in Bavaria: IRT, BDR, BR, mobile.info Services in other German states: WDR, DR-M/GEWI, FIRST, underway: mobile.info Services in Europe: BBC, SVDO/NOS, VRT, underway: SRG, WIT/RISING Services in Korea: ETRI, MBC, KBS, SBS, YTN If you know of any others -> motivate them to report to the TPEG Forum! Bayerische Medien Technik GmbH ITS06 London Seite 12
13 Many thanks to Bev Marks and all the TPEG Forum members for providing information about TPEG Services. Visit for more information and links. Dipl.-Forstwirt Martin Dreher Projektleiter Verkehrstelematik Pfälzer-Wald-Straße 32 D München Tel Fax Thank you. See you in the TPEG Forum Bayerische Copyright Medien Bayerische Technik Medien GmbH Technik GmbH ITS06 London Seite 13
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