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Intelligent transport systems - Traffic and travel information (TTI) via transport protocol experts group, generation 2 (TPEG2) - Part 22: OpenLR location referencing (TPEG2-OLR)
ISO/TS 21219-22:2017 specifies the logical data format of OpenLRTM location references and general requirements of the method in Clause 6. It defines the structure of the TPEG toolkit for OpenLR location referencing (OLR) in Clauses 7, 8, and 9. The toolkit is intended to be used in the TPEG location referencing container (TPEG-LRC).
OpenLR has been designed for the use case of transferring traffic information from a centre to in-vehicle systems, built-in or used as an add-on (PND, smart phone). The information transferred can consist of the current traffic situation at a certain location, a traffic forecast, or special alerts. The corresponding locations are roads, a list of connected roads, points of interest, or areas.
In order to transmit location information from a sending to a receiving side, the OpenLRTM method defines rules for generating map-independent location references, that is, the actual location references are generated dynamically not requiring use of pre-defined location references.
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