Patent attributes
A charging method, including sending, by a control plane gateway, a first charging trigger event to a user plane gateway, where the first charging trigger event triggering the user plane gateway to generate service usage information, generating, by the user plane gateway, the service usage information when the user plane gateway detects that the first charging trigger event occurs, sending, by the user plane gateway, the service usage information to the control plane gateway, generating, by the control plane gateway, a charging request according to the service usage information, and sending, by the control plane gateway, the charging request to a charging system. Offline charging during packet data network gateway (PGW) control and user (CU) separation is implemented.
