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The number of road vehicle services that demand positioning capabilities is continuously growing. Although vehicle telematics do provide services with positioning requirements that can be fulfilled by low-cost Global Navigation Satellite System (GNSS) receivers, we are witnessing increased deployment of more complex road applications. These include lane-level information (traffic, navigation), as well as lane-level navigation, geo-located ADAS capabilities and prioritised alerts depending on the scenario composition (traffic sign, navigation instructions, ADAS instructions). These applications need a more accurate and reliable positioning subsystem.

As well as the accuracy of positioning data being a big driver, there is also a question around the adaptability of navigation systems to these applications. Delivering lane-level traffic information to an in-vehicle navigation system and combining this with the opportunity for vehicles to exchange information between themselves, will give drivers the opportunity to select the optimal road lane, even in dense traffic in urban and extra-urban areas.