NXP, Siemens Develop GPS/GSM-based Toll System

(Top News, 9 May 2008)

NXP and Siemens Mobility will be collaborating to develop NXP's Automotive Telematics On Board Unit Platform (ATOP) into the "single chip on-board unit" system based on GPS and GSM. Intended for use in private vehicles, the ATOP on-board unit can be easily installed and will enable secure and easy toll collection.

NXP will supply a chip and basic software, which combines all the functions for toll collection such as Global Positioning System (GPS), General Packet Radio Service (GPRS) and Near Field Communication (NFC) modules. Interfaces for flexible telematics applications such as additional traffic information, including the Smart X high-safety application, will be provided on a single-chip platform, which is fully automotive-grade. Siemens is to develop the on-board unit (OBU) and integrate the single chip and software from NXP.

The previous toll system from Siemens Mobility will thus be considerably improved on in terms of the range of functions. The ATOP-based on-board unit receives GPS satellite signals and uses GSM-based standard radio technology for transmitting data to the central system for toll calculation. The system also includes a non-removable adhesive vignette which is fitted with a radio chip (RFID) and is attached to the windscreen. It communicates with the on-board unit in order to ensure that the OBU is actually present in the vehicle and is being operated in accordance with the use for which it is intended. The RFID vignette can also be used for other applications such as parking space management.

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