Non-linear data charging

摘要

An Online Charging System (“OCS”) for charging a data session of a subscriber, in response to a request to initiate the data session provides a first granted service units of data for the data session. During the data session, the OCS receives a change in charging conditions for the subscriber and, in response to the change, sends a re-authorization message to the subscriber. In response to the re-authorization message, the OCS receives from the subscriber a first update message that includes a used service units for the data session since the previous update message. In response to the update message, and based on the change in charging conditions and the used service units, the OCS then provides a second granted service units of data for the data session.

主权项

1. A method of charging a data session of a subscriber, the method comprising:
in response to a request to initiate the data session, providing a first quantity of granted service units of data for the data session associated with a first charging condition; during the data session, receiving a change in charging conditions for the subscriber; in response to the change, sending a re-authorization message to the subscriber; in response to the re-authorization message, receiving a first update message from the subscriber comprising a first used service units for the data session since the providing of the first quantity of granted service units of data; in response to the first update message and based on the change in charging conditions and the first used service units, providing a second quantity of granted service units of data for the data session associated with a second charging condition; and charging the data session of the subscriber according to a total used service units comprising the first used service units included with the first update message under the first charging condition and second used service units for the data session used since the first update message under the second charging condition.