This document describes use cases related to seamless positioning systems for multimodal transportation in ITS stations. The use cases define the effectiveness of the seamless positioning concept model based on the P-ITS-S to conclude basic PVT service results using available sensors when mobility is moving indoor and outdoor in a network on/off situation. Use cases are provided for each stage in different environments, e.g. indoor, outdoor, tunnel and out-of-network area when travelling starts or ends. Within the use cases, the nomadic device implements a personal ITS station (P-ITS-S) to achieve compatibility with other ITS stations as referenced in this document.


The main purpose of this document is to describe the overall concept model, which specifies:


—     the concept model and actors for each domain;


—     the relationship of actors under the material domain;


—     the message sequence diagrams for each domain; and