Page 221 - Trust in ICT 2017
P. 221
Trust in ICT 3
5.3 Detailed service flow
Figure IV.10 – Car sharing service flow
Detailed flow description
1) The applications of each service provider in the service domain register and subscribe to changes of
resources (or information) about the car sharing service in the service platform.
2) As the user finds a shared car, opens the car door and turns on the ignition using interfaces of the
Smartphone such as Bluetooth or Near Field Communication (NFC), if the user is authorized.
3) The sensors report the changed status to the service platform via the smartphone as a gateway
when the specific condition of “Car is just got used” is triggered.
4) The service platform notifies the car sharing service provider of the changed status.
5) The sensors report the changed status to the service platform. It is occurred periodically that are
location reporting and car health check for maintenance reasons.
6) The service platform notifies the car sharing service provider of the changed status.
7) The sensors report the changed status of “low fuel” to the service platform.
8) The service platform immediately notifies the car sharing service provider of the changed status.
9) The car sharing service provider finds out the nearest gas station according to the received location
information and a service agreement between the car sharing service provider and the gas station,
and the provider sends the route information to service platform.
10) The service platform notifies the smartphone of the route information.
11) After filling gas, the sensors report the changed status of “enough amount of fuel” to the service
platform.
12) The service platform reports the change of car status.
13) As the user arrives at the destination, and turns off the ignition, the sensors report the accumulated
information, normal event subscription information, to the service platform via smartphone.
14) The service platform notifies the car sharing provider of the usage of the shared car.
213